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v1.3.0 ... main

Author SHA1 Message Date
Ville Skyttä e94f6d0dd9
Address golangci-lint deprecation warnings, enable some more linters (#2152)
* Address golangci-lint linter deprecation warnings

1.59.0 outputs:

WARN [lintersdb] The name "gas" is deprecated. The linter has been renamed to: gosec.
WARN [lintersdb] The linter named "megacheck" is deprecated. It has been split into: gosimple, staticcheck, unused.

* Enable some more linters, address finding
2024-06-01 06:31:11 -04:00
Nir Soffer 8003b74a10
Remove fully inactivated linters (#2148)
* Remove fully inactivated linters

Currently golangci-lint fails with these errors:

ERRO [linters_context] golint: This linter is fully inactivated: it will not produce any reports.
ERRO [linters_context] interfacer: This linter is fully inactivated: it will not produce any reports.
ERRO [linters_context] maligned: This linter is fully inactivated: it will not produce any reports.

I could not find any docs explaining what "fully inactivated" mean, but
based this PR[1] it seems that these linters do nothing now. Removing
the linters fixes this issue without changing linting, as they did not
produce any report.

Looking in the linters docs[2] I did not find a replacement for
"interfacer" and "malinged" linters. "stylecheck" seems to be a
replacement for "golint", but we need to fix the code to enable it.

[1] https://github.com/golangci/golangci-lint/pull/4436
[2] https://golangci-lint.run/usage/linters/

* Add stylecheck linter, replacement for golint

This revealed 2 capitalized error messages.

https://golangci-lint.run/usage/linters/#stylecheck
2024-05-18 22:12:02 -04:00
Nir Soffer 5c2c1d627d
Consistent annotation names (#2140)
Add `Annotation` suffix to the private annotations to allow nicer code
using the constants.

For example one can use the current annotation names as a temporary
variable instead of unclear shortcut. Instead of this:

    rag := flagsFromAnnotation(c, f, requiredAsGroup)
    me := flagsFromAnnotation(c, f, mutuallyExclusive)
    or := flagsFromAnnotation(c, f, oneRequired)

We can use now:

    requiredAsGrop := flagsFromAnnotation(c, f, requiredAsGroupAnnotation)
    mutuallyExclusive := flagsFromAnnotation(c, f, mutuallyExclusiveAnnotation)
    oneRequired := flagsFromAnnotation(c, f, oneRequiredAnnotation)

Example taken from #2105.
2024-05-18 09:41:31 -04:00
dependabot[bot] 5a1acea321
build(deps): bump github.com/cpuguy83/go-md2man/v2 from 2.0.3 to 2.0.4 (#2127) 2024-04-13 02:21:03 +00:00
Xinwei Xiong 0fc86c2ffd
docs: update user guide (#2128) 2024-04-08 06:47:35 -04:00
Ville Skyttä 6b5f577ebc
More linting (#2099)
* Address gocritic findings, enable it

* Enable gosimple, no new findings to address
2024-04-01 08:42:08 -04:00
Pedro Mota bd914e58d6
fix: remove deprecated io/ioutils package (#2120)
ioutils.ReadAll is deprecated since Go 1.16. This commit replaces it with
io.ReadAll. See https://pkg.go.dev/io/ioutil\#ReadAll for reference

Issue #2119
2024-03-12 06:42:46 -04:00
racerole 1f80fa2e23
chore: remove repetitive words (#2122)
Signed-off-by: racerole <jiangyifeng@outlook.com>
2024-03-12 06:40:19 -04:00
damas c69ae4c36b
ci: test golang 1.22 (#2113) 2024-03-12 06:40:01 -04:00
dependabot[bot] a30cee5e5a
build(deps): bump actions/cache from 3 to 4 (#2102)
Bumps [actions/cache](https://github.com/actions/cache) from 3 to 4.
- [Release notes](https://github.com/actions/cache/releases)
- [Changelog](https://github.com/actions/cache/blob/main/RELEASES.md)
- [Commits](https://github.com/actions/cache/compare/v3...v4)

---
updated-dependencies:
- dependency-name: actions/cache
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
2024-03-11 19:36:37 -06:00
dependabot[bot] f34069ccf5
build(deps): bump golangci/golangci-lint-action from 3.7.0 to 4.0.0 (#2108)
Bumps [golangci/golangci-lint-action](https://github.com/golangci/golangci-lint-action) from 3.7.0 to 4.0.0.
- [Release notes](https://github.com/golangci/golangci-lint-action/releases)
- [Commits](https://github.com/golangci/golangci-lint-action/compare/v3.7.0...v4.0.0)

---
updated-dependencies:
- dependency-name: golangci/golangci-lint-action
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
2024-03-11 19:35:05 -06:00
montag451 bd2655e76c
Add Incus to the list of projects using Cobra (#2118) 2024-03-07 19:36:58 -05:00
Radek Smid bcfcff729e
Add Taikun CloudWorks to list of projects (#2098) 2024-01-15 08:38:50 -05:00
Dmytro Milinevskyi 4fb0a66a34
flags: clarify documentation that LocalFlags related function do not modify the state (#2064) 2024-01-06 16:49:13 -05:00
Denis 0dec88e793
Add tests for funcs in cobra.go (#2094) 2023-12-30 08:40:15 -05:00
Case Wylie cbcf75eab9
[chore]: update projects using cobra (#2093)
Signed-off-by: Case Wylie <cmwylie19@defenseunicorns.com>
2023-12-27 21:16:29 -05:00
dependabot[bot] 199b7abe12
build(deps): bump actions/labeler from 4 to 5 (#2086)
* build(deps): bump actions/labeler from 4 to 5

Bumps [actions/labeler](https://github.com/actions/labeler) from 4 to 5.
- [Release notes](https://github.com/actions/labeler/releases)
- [Commits](https://github.com/actions/labeler/compare/v4...v5)

---
updated-dependencies:
- dependency-name: actions/labeler
  dependency-type: direct:production
  update-type: version-update:semver-major
...

* Update labeler configuration for v5

Signed-off-by: dependabot[bot] <support@github.com>
Signed-off-by: Marc Khouzam <marc.khouzam@gmail.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
Co-authored-by: Marc Khouzam <marc.khouzam@gmail.com>
2023-12-23 14:52:45 -05:00
Marc Khouzam 531ce793e3 Remove extra actions/checkout
Signed-off-by: Marc Khouzam <marc.khouzam@gmail.com>
2023-12-23 13:49:43 -05:00
dependabot[bot] c054701f6a build(deps): bump actions/setup-go from 4 to 5
Bumps [actions/setup-go](https://github.com/actions/setup-go) from 4 to 5.
- [Release notes](https://github.com/actions/setup-go/releases)
- [Commits](https://github.com/actions/setup-go/compare/v4...v5)

---
updated-dependencies:
- dependency-name: actions/setup-go
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <support@github.com>
2023-12-23 13:49:43 -05:00
Nir Soffer 41227856cd Document how to create a plugin
Using the new CommandDisplayNameAnnotation annotation introduced in
Cobra 1.8.0.
2023-12-17 19:58:57 -05:00
Nir Soffer a73b9c391a Fix help text for runnable plugin command
When creating a plugin without sub commands, the help text included the
command name (kubectl-plugin) instead of the display name (kubectl plugin):

    Usage:
      kubectl-plugin [flags]

The issue is that the usage line for this case does not use the
command path but the raw `Use` string, and this case was not tested.

Add a test for this case and fix UsageLine() to replace the command name
with the display name.

Tested using https://github.com/nirs/kubernetes/tree/sample-cli-plugin-help
2023-12-17 19:58:57 -05:00
Nir Soffer df547f5fc6 Fix help text for plugins
When using `CommandDisplayNameAnnotation` we want to use it instead of
the command name in `--help` message or in the default help command.

With current code we get the wrong text in the --help usage text:

    Flags:
      -h, --help   help for kubectl-plugin

And in the long description of the default help command:

    $ kubectl cobraplugin help -h
    Help provides help for any command in the application.
    Simply type kubectl-plugin help [path to command] for full details.

The issue was hidden since the test checked only the Usage line.

Fixed by extracting a displayName() function and use it when creating
FlagSet and when formatting the default help flag usage and the help
command long description.

Enhance the TestPlugin to check all the lines including the command
name.
2023-12-17 19:58:57 -05:00
Ville Skyttä e63925d321
Add env variable to suppress completion descriptions on create (#1938)
COBRA_COMPLETION_DESCRIPTIONS=0 
or 
<PROGRAM>_COMPLETION_DESCRIPTIONS=0
can now be used to disable shell completion descriptions.
2023-12-17 13:50:59 -05:00
Marcus Kohlberg 236f3c0418
Update projects_using_cobra.md (#2089)
Add Encore to the list of projects using Cobra
2023-12-12 11:26:29 -05:00
Ville Skyttä 3d8ac432bd
Micro-optimizations (#1957)
* Avoid redundant string splits

There likely isn't actually more than once to split in the source
strings in these cases, but avoid doing so anyway as we're only
interested in the first.

* Avoid redundant completion output target evaluations

The target is not to be changed while outputting completions, so resolve
it only once.

* Avoid redundant active help enablement evaluations

The enablement state is not to be changed during completion output, so
evaluate it only once.

* Preallocate some slices and maps with known size

* Avoid some unnecessary looping

* Use strings.Builder to construct suggestions
2023-11-23 12:24:33 -05:00
SwagPack 283e32d889
Add LXC to the list of projects using cobra (#2071) 2023-11-13 11:55:06 -05:00
Marc Khouzam a0a6ae020b
Improve API to get flag completion function (#2063)
The new API is simpler and matches the `c.RegisterFlagCompletionFunc()`
API.  By removing the global function `GetFlagCompletion()` we are more
future proof if we ever move from a global map of flag completion
functions to something associated with the command.

The commit also makes this API work with persistent flags by using
`c.Flag(flagName)` instead of `c.Flags().Lookup(flagName)`.

The commit also adds unit tests.

Signed-off-by: Marc Khouzam <marc.khouzam@gmail.com>
2023-11-02 11:23:08 -04:00
Nir Soffer 890302a35f
Support usage as plugin for tools like kubectl (#2018)
In this case the executable is `kubectl-plugin`, but we run it as:

    kubectl plugin

And the help text should reflect the actual usage of the command.

To create a plugin, add the cobra.CommandDisplayNameAnnotation:

    rootCmd := &cobra.Command{
        Use: "plugin",
        Annotations: map[string]string{
            cobra.CommandDisplayNameAnnotation: "kubectl plugin",
        }
    }

Internally this change modifies CommandPath() for the root command to
return the command display name instead of the command name. This is
used for error messages, help text generation, and completions.

CommandPath() is expected to have spaces and code using it already
handle spaces (e.g replacing with _), so hopefully this does not break
anything.

Fixes: #2017

Signed-off-by: Nir Soffer <nsoffer@redhat.com>
2023-11-02 08:15:26 -04:00
dependabot[bot] 48cea5c87b
build(deps): bump actions/checkout from 3 to 4 (#2028) 2023-10-30 10:21:48 +00:00
Ville Skyttä 22953d8845
Replace all non-alphanumerics in active help env var program prefix (#1940)
* Replace all non-alphanumerics in active help env var program prefix

There are other characters besides the dash that are fine in program
names, but are problematic in environment variable names. These include
(but are not limited to) period, space, and non-ASCII letters.

* Another change in docs to mention non-ASCII-alphanumeric instead of just dash
2023-10-29 12:06:51 -06:00
Marc Khouzam 00b68a1c26
Add tests for flag completion registration (#2053)
Different problems have been reported about flag completion registration.
These two tests are the cases that were not being verified but had been
mentioned as problematic.

Ref:
- https://github.com/spf13/cobra/issues/1320
- https://github.com/spf13/cobra/pull/1438#issuecomment-872928669

Signed-off-by: Marc Khouzam <marc.khouzam@gmail.com>
2023-10-28 16:11:59 -04:00
Marc Khouzam b711e8760b
Don't complete --help flag when flag parsing disabled (#2061)
Fixes #2060

When a command sets `DisableFlagParsing = true` it requests the
responsibility of doing all the flag parsing. Therefore even the
`--help/-f/--version/-v` flags should not be automatically completed
by Cobra in such a case.

Without this change the `--help/-h/--version/-v` flags can end up being
completed twice for plugins: one time from cobra and one time from the
plugin (which has set `DisableFlagParsing = true`).

Signed-off-by: Marc Khouzam <marc.khouzam@gmail.com>
2023-10-28 16:10:06 -04:00
Marc Khouzam 8b1eba4761
Fix linter errors (#2052)
When using golangci-lint v1.55.0 some new errors were being reported.

Signed-off-by: Marc Khouzam <marc.khouzam@gmail.com>
2023-10-27 06:23:45 -04:00
vkhoroz 4cafa37bc4
Allow running persistent run hooks of all parents (#2044)
Currently, only one of the persistent pre-runs and post-runs is executed.
It is always the first one found in the parents chain, starting at this command.
Expected behavior is to execute all parents' persistent pre-runs and post-runs.

Dependent projects implemented various workarounds for this:
- manually building persistent hook chains (in every hook).
- applying some kind of monkey-patching on top of Cobra.

This change eliminates the necessity for such workarounds
by allowing to set a global variable EnableTraverseRunHooks.

Tickets:
- https://github.com/spf13/cobra/issues/216
- https://github.com/spf13/cobra/issues/252

Signed-off-by: Volodymyr Khoroz <volodymyr.khoroz@foundries.io>
2023-10-21 20:36:12 -04:00
dependabot[bot] 5c962a221e
build(deps): bump github.com/cpuguy83/go-md2man/v2 from 2.0.2 to 2.0.3 (#2047) 2023-10-16 10:50:33 +00:00
dependabot[bot] efe8fa3e44
build(deps): bump actions/setup-go from 3 to 4 (#1934) 2023-10-15 11:16:50 +00:00
Haoming Meng 95d8a1e45d
Add notes to doc on preRun and postRun condition (#2041) 2023-10-09 08:50:40 -04:00
Alexandru-Claudius Virtopeanu bd4d1655f6
feat: add getters for flag completions (#1943) 2023-09-25 20:04:25 -04:00
Souma 0c72800b8d
Customizable error message prefix (#2023) 2023-09-08 13:29:06 -04:00
Nuno Adrego c5dacb3ea4
ci: test golang 1.21 (#2024) 2023-09-07 20:30:51 -04:00
Unai Martinez-Corral 285460dca6
command: temporarily disable G602 due to securego/gosec#1005 (#2022) 2023-08-29 10:04:59 -04:00
dependabot[bot] 4955da7c11
build(deps): bump golangci/golangci-lint-action from 3.6.0 to 3.7.0 (#2021) 2023-08-28 18:53:34 +00:00
Jun Nishimura fd865a44e3
minor corrections to unit tests (#2003) 2023-07-23 07:31:55 -04:00
gocurr 60d056d157
doc: fix typo, Deperecated -> Deprecated (#2000) 2023-07-20 11:27:44 -04:00
Unai Martinez-Corral 66b215ba18
golangci: enable 'unused' and disable deprecated replaced by it (#1983) 2023-07-18 09:51:36 -04:00
Martijn Evers c81c46a015
Add 'one required flag' group (#1952) 2023-07-16 12:38:22 -04:00
Unai Martinez-Corral dcb405a939
Move documentation sources to site/content (#1428) 2023-06-20 17:15:36 -04:00
dependabot[bot] cbe4865373
build(deps): bump golangci/golangci-lint-action from 3.5.0 to 3.6.0 (#1976) 2023-06-20 20:46:35 +00:00
Paul Holzinger fdee73b4a0
powershell: escape variable with curly brackets (#1960)
This fixes an issue with program names that include a dot, in our case
`podman.exe`. This was caused by the change in commit 6ba7ebbc.

Fixes #1853

Signed-off-by: Paul Holzinger <pholzing@redhat.com>
2023-06-19 12:16:18 -04:00
Branch Vincent 988bd76139
test: make fish_completions_test more robust (#1980)
Use temporary files instead of assuming the current directory is
writable. Also, if creating a temporary file still returns an error,
prevent the test from failing silently by replacing `log.Fatal` with
`t.Fatal`.
2023-06-16 10:25:30 -04:00
Taavi Väänänen 2246fa82e9
Fix grammar: 'allows to' (#1978)
The use in generated bash completion files is getting flagged by
Lintian (the Debian package linting tool).

Signed-off-by: Taavi Väänänen <hi@taavi.wtf>
2023-06-13 11:12:49 -04:00
dependabot[bot] 0e3a0bfe91
build(deps): bump golangci/golangci-lint-action from 3.4.0 to 3.5.0 (#1971) 2023-06-12 02:39:30 +00:00
Tom Payne 284f410104
Fix typo in fish completions (#1945) 2023-04-08 00:47:33 -04:00
Marc Khouzam 4dd4b25de3
Update main image to better handle dark background (#1883)
Fixes #1880

Signed-off-by: Marc Khouzam <marc.khouzam@gmail.com>
Co-authored-by: Deleplace <deleplace2015@gmail.com>
2023-03-22 18:41:51 -04:00
Marc Khouzam 45360a55cc
Allow sourcing zsh completion script (#1917)
Although it is not the recommended approach, sourcing a completion
script is the simplest way to get people to try using shell completion.
Not allowing it for zsh has turned out to complicate shell completion
adoption.  Further, many tools modify the zsh script to allow sourcing.

This commit allows sourcing of the zsh completion script.

Signed-off-by: Marc Khouzam <marc.khouzam@gmail.com>
2023-03-22 18:41:05 -04:00
Luiz Carvalho c8a20a16ba
Document suggested layout for subcommands (#1930)
Signed-off-by: Luiz Carvalho <lucarval@redhat.com>
2023-03-16 21:03:29 -04:00
Florent Poinsard b197a24504
Update projects_using_cobra.md (#1932)
Signed-off-by: Florent Poinsard <florent.poinsard@outlook.fr>
2023-03-14 08:28:50 -04:00
Unai Martinez-Corral 9e6b58afc7
update copyright year (#1927) 2023-03-05 21:28:31 -05:00
Unai Martinez-Corral fb3652402b
ci: test Golang 1.20 (#1925) 2023-03-05 21:11:33 -05:00
Unai Martinez-Corral c7300f0bdd
ci: deprecate go 1.16 (#1926) 2023-03-05 21:07:19 -05:00
Oldřich Jedlička 567ea8ebc9
Add support for PowerShell 7.2+ (#1916)
PowerShell 7.2 has changed the way arguments are passed to executables.
This was originally an experimental feature in 7.2, but as of 7.3 it is
built-in. A simple "" is now sufficient for passing empty arguments, no
back-tick escaping is required.

Fixes #1849

Signed-off-by: Oldřich Jedlička <oldium.pro@gmail.com>
Co-authored-by: Oldřich Jedlička <oldrich.jedlicka@rohlik.cz>
2023-02-25 16:30:37 -05:00
Gyanendra Mishra 3daa4b9c36
Add keeporder to shell completion (#1903)
This allows programs to request the shell to maintain the order of completions that was returned by the program
2023-02-25 15:57:12 -05:00
John McBride a516d4132c
Removes stale bot from GitHub action (#1908)
Signed-off-by: John McBride <jpmmcbride@gmail.com>
2023-02-13 20:49:03 -07:00
dependabot[bot] e839bb342f
build(deps): bump golangci/golangci-lint-action from 3.3.1 to 3.4.0 (#1902) 2023-02-12 01:27:13 +00:00
Ggg6542 87ebcd8f98
Update shell_completions.md (#1907)
align documentation with the code : completions.go:452
2023-02-08 21:11:53 -05:00
janhn 8b8ee8754c
Improve MarkFlagsMutuallyExclusive example in User Guide (#1904) 2023-02-06 06:15:40 -05:00
Shihta Kuan d022c0fe2b
Add documentation about disabling completion descriptions (#1901) 2023-01-30 12:58:20 -05:00
dependabot[bot] 4fa4fdf5cd
build(deps): bump github.com/inconshreveable/mousetrap (#1872) 2023-01-03 02:43:06 +00:00
Dominik Roos b4f979ae35
completions: do not detect arguments with dash as 2nd char as flag (#1817)
Fixes #1816

Previously, arguments with a dash as the second character (e.g., 1-ff00:0:1)
were detected as a flag by mistake. This resulted in auto completion misbehaving
if such an argument was last in the argument list during invocation.
2023-01-02 19:58:36 -05:00
Yash Ladha bf11ab6321
fix: func name in doc strings (#1885)
Corrected the function name at the start of doc strings, as per the convention
outlined in official go documentation: https://go.dev/blog/godoc
2022-12-25 15:08:39 -05:00
Seonghyeon Cho fdffa5a4c7
Update badge route (#1884)
Based on
https://github.com/badges/shields/issues/8671
2022-12-23 15:54:16 -05:00
Yash Ladha f25a3c6e0b
fix: conflict import name with variable (#1879)
`template` is an import in `cobra.go` file and also used as a variable
name, which masks the library in the scope of that function.
2022-12-15 05:39:50 -05:00
Unai Martinez-Corral 923592041e
ci: deprecate go 1.15 (#1866)
Remove testing for go 1.15 to allow CI to pass, but don't force projects to upgrade.
2022-12-09 16:57:19 -05:00
David Wertenteil a6f198b635
Update kubescape org (#1874)
Signed-off-by: David Wertenteil <dwertent@armosec.io>
2022-12-06 08:20:58 -05:00
dependabot[bot] 7bb1440003
build(deps): bump golangci/golangci-lint-action from 3.2.0 to 3.3.1 (#1851)
Bumps [golangci/golangci-lint-action](https://github.com/golangci/golangci-lint-action) from 3.2.0 to 3.3.1.
- [Release notes](https://github.com/golangci/golangci-lint-action/releases)
- [Commits](https://github.com/golangci/golangci-lint-action/compare/v3.2.0...v3.3.1)

---
updated-dependencies:
- dependency-name: golangci/golangci-lint-action
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
2022-11-26 08:18:05 -05:00
Unai Martinez-Corral 6200c8e551
Makefile: add target richtest (#1865)
Don't require contributors to install richgo but keep it as an option and for CI
2022-11-25 15:55:09 -05:00
Norman Dankert c6b9971923
fix: force ForEach-Object to return array in pwsh completion (#1850)
Fixes #1847
2022-11-25 15:47:20 -05:00
Enrico Candino 430549841b
Update stale.yml (#1863) 2022-11-21 21:04:26 -05:00
Brian Pursley ad6db7f8f6
Create unit test illustrating unknown flag bug (#1854)
Created a unit test that tests the unknown flag
error message when the unknown flag is located
in different arg positions.
2022-11-14 21:46:57 -05:00
Brian Pursley 6b0bd3076c
fix: don't remove flag value that matches subcommand name (#1781)
When the command searches args to find the arg matching a
particular subcommand name, it needs to ignore flag values,
as it is possible that the value for a flag might match
the name of the sub command.

This change improves argsMinusFirstX() to ignore flag values
when it searches for the X to exclude from the result.
2022-11-07 23:12:02 -05:00
mike76-dev cc7e235fc2
Add Sia to projects using Cobra (#1844) 2022-11-01 09:15:28 -04:00
Marc Khouzam 10cf7be997
Check for group presence after full initialization (#1839)
Fixes #1831

By moving the check for help group existence to "ExecuteC()" we no
longer need groups to be added before AddCommand() is called.  This
provides more flexibility to developers and works better with the use
of "init()" for command creation.

Signed-off-by: Marc Khouzam <marc.khouzam@gmail.com>
2022-10-24 11:11:57 -04:00
doniacld 4b9d00dfec
Replace deprecated ExactValidArgs with MatchAll in user_guide and shell_completions example (#1836) 2022-10-20 16:33:37 -04:00
Ville Skyttä badcce14f8
style(bash-v2): various cleanups (#1702)
* use arithmetic evaluation in numeric context

* remove unnecessary $ from array index variables

* [[ ]] over [ ], == over =, remove unnecessary quoting

* use ${foo-} rather than ${foo:-} in emptiness check

The result of the expansion is null no matter if the variable is unset
or null in both cases; the former form is arguably easier on the eye.

* remove unnecessary trailing linefeed removal

No longer needed as of f464d6c82e, saves
a subshell.

* use herestring in activehelp extraction

Herestrings read cleaner than process substitutions, and work in posix
mode (but we do and will have some process substitutions so this doesn't
matter much). Both approaches may end up using temporary files.
2022-10-17 15:24:27 -04:00
Fabian Kammel 1424b7b927
Add Constellation to projects using cobra. (#1829) 2022-10-13 09:47:58 -04:00
Gustavo Bazan 860791844e
feat: make InitDefaultCompletionCmd public (#1467)
* feat: make InitDefaultCompletionCmd public

* PR comments

* Update man_docs_test.go

* Update README.md
2022-10-10 19:06:30 -04:00
aawsome 2169adb574
Add groups for commands in help (#1003)
* Add tests for grouping commands
* Adds Additional Command section in help

Signed-off-by: Marc Khouzam <marc.khouzam@gmail.com>
Co-authored-by: Marc Khouzam <marc.khouzam@gmail.com>
2022-10-10 14:59:11 -06:00
Marc Khouzam 212ea40783
Include --help and --version flag in completion (#1813)
Fixes #1786

The --help, -h, --version and -v flags are normally added when the
`execute()` function is called on a command.  When doing completion
we don't call `execute()` so we need to add these flags explicitly to
the command being completed.

Also, we disable all further completions if the 'help' or 'version'
flags are present on the command-line.

Signed-off-by: Marc Khouzam <marc.khouzam@gmail.com>
2022-10-04 16:41:30 -06:00
Marc Khouzam d4040ad8db
Allow user to add completion for powershell alias (#1621)
When a user has an alias in powershell, she will need to register that
alias for completion.  To make that possible, we store the completion
logic into a scriptblock variable which can easily be accessed by the
user to register aliases.

For example, if the user defines an alias for `helm`:
   PS> sal h helm
she will need to register the alias like so:
   PS> Register-ArgumentCompleter -CommandName 'h' -ScriptBlock $__helmCompleterBlock

Signed-off-by: Marc Khouzam <marc.khouzam@montreal.ca>
2022-10-03 13:06:04 -04:00
Varun Sharma 23fc5e099f
ci: add minimum GitHub token permissions for workflows (#1792)
Signed-off-by: Varun Sharma <varunsh@stepsecurity.io>
2022-10-03 08:53:12 -06:00
Yann Soubeyrand 93d1913fb0
Add OnFinalize method (#1788)
This method is the OnInitialize counterpart. Like OnInitialize which allows
loading the configuration before each command is executed, OnFinalize allows
saving the configuration after each command has been executed.
2022-10-03 08:52:50 -06:00
dependabot[bot] 07034fee49
build(deps): bump actions/stale from 5 to 6 (#1815)
Bumps [actions/stale](https://github.com/actions/stale) from 5 to 6.
- [Release notes](https://github.com/actions/stale/releases)
- [Changelog](https://github.com/actions/stale/blob/main/CHANGELOG.md)
- [Commits](https://github.com/actions/stale/compare/v5...v6)

---
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- dependency-name: actions/stale
  dependency-type: direct:production
  update-type: version-update:semver-major
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2022-10-03 08:52:25 -06:00
Dima Brusilovsky 3dc9761b36
Add allero to list of projects using cobra (#1819) 2022-10-03 08:52:01 -06:00
Francis Nickels III 7039e1fa21
Add '--version' flag to Help output (#1707) 2022-09-30 14:26:05 -04:00
Skeet WU fce8d8aeb0
Expose ValidateRequiredFlags and ValidateFlagGroups (#1760) 2022-09-27 06:27:48 -04:00
Marc Khouzam a281c8b47b
Document option to hide the default completion cmd (#1779)
Signed-off-by: Marc Khouzam <marc.khouzam@gmail.com>

Signed-off-by: Marc Khouzam <marc.khouzam@gmail.com>
2022-09-16 14:44:28 -06:00
Unai Martinez-Corral 459fc5fce3
ci: add workflow_dispatch (#1387) 2022-09-16 16:23:19 -04:00
Unai Martinez-Corral 6d978a911e
add missing license headers (#1809) 2022-09-16 07:55:56 -04:00
Unai Martinez-Corral 4065a33bfd
ci: use action/setup-go's cache (#1783)
* ci: use action/setup-go's cache
* ci: deprecate Golang 1.14
2022-09-13 21:31:59 -06:00
Marc Khouzam 7e289f46f1
Adjustments to documentation (#1656)
Signed-off-by: Marc Khouzam <marc.khouzam@montreal.ca>
2022-09-11 17:48:42 -04:00
Marc Khouzam fe08012edd
Rename Powershell completion tests (#1803)
The name of the powershell completion test file did not match
the actual powershell file.

Signed-off-by: Marc Khouzam <marc.khouzam@gmail.com>
2022-09-11 15:04:53 -06:00
Yuval Goldberg d689184a42
Support for case-insensitive command names (#1802)
Add a global `EnableCaseInsensitive` variable to allow
case-insensitive command names.

The variable supports commands names and aliases globally.

Resolves #1382
2022-09-11 08:25:22 -04:00
Unai Martinez-Corral 70e53f62be
Deprecate ExactValidArgs() and test combinations of args validators (#1643)
* deprecate ExactValidArgs in favour of MatchAll(OnlyValidArgs, ...)
* test combinations of args validators
* adjust docs
2022-09-10 09:33:34 -04:00
John McBride 2e8ba6f308
Use correct stale action exempt- yaml keys (#1800)
Signed-off-by: John McBride <jpmmcbride@gmail.com>
2022-09-07 18:25:01 -06:00
Marc Khouzam 0580724b5f
With go 1.18, we must use go install for a binary (#1726)
The format "go install github.com/kyoh86/richgo@latest" will work with
go 1.16 and higher.  It will not work with go 1.15.  However, since
installing "richgo" is only required for people who want to run the go
tests for the Cobra project itself, I feel it is ok to require go 1.16
or higher in this case.

Signed-off-by: Marc Khouzam <marc.khouzam@gmail.com>

Signed-off-by: Marc Khouzam <marc.khouzam@gmail.com>
2022-08-30 08:34:58 -06:00
Paul Meyer 2a7647ff46
Clarify SetContext documentation (#1748) 2022-08-29 22:12:56 -04:00
Unai Martinez-Corral 7045405250
ci: test on Golang 1.19 (#1782)
* ci: test on Golang 1.19

* ci: run golangci-lint on golang 1.19

* Adds `check-latest` for setup-go action v3

* ci/golangci-lint: use latest version available in setup-go's manifest

Signed-off-by: John McBride <jpmmcbride@gmail.com>
Signed-off-by: umarcor <unai.martinezcorral@ehu.eus>
Co-authored-by: John McBride <jpmmcbride@gmail.com>
2022-08-29 21:35:16 -04:00
Brian Pursley 22b617914c
fix: show flags that shadow parent persistent flag in child help (#1776)
This fixes a bug where a child flag that shadows (has the same
name as) a parent persistent flag would not be shown in the
child command's help output and the parent flag would be shown
instead under the global flags section.

This change makes the help output consistent with the
observed behavior during execution, where the child flag is
the one that is actually used.
2022-08-28 12:46:39 -04:00
Tobias Klauser dbf85f6104
Update gopkg.in/yaml.v2 to gopkg.in/yaml.v3 (#1766)
API v3 was released in 2019 [1]. Update from the v2 API, no changes to
the packages's use needed and no breaking changes expected.

[1] https://ubuntu.com/blog/api-v3-of-the-yaml-package-for-go-is-available
2022-08-13 16:18:46 -06:00
Ville Skyttä f911c0b89c
fix(bash-v2): activeHelp length check syntax (#1762)
```shell
$ set -u
$ foo=()
$ echo ${#foo}
bash: foo: unbound variable
echo ${#foo[*]}
0
```
The above shows that an empty array needs the suffix `[*]` when checking its length, or else it is considered unbound.
2022-08-13 17:44:47 -04:00
Zoran Regvart 7790bf97fd
fix: correct command path in see_also for YAML doc (#1771)
The `see_also` section for child commands would include only the name of
the commands. This adds the whole path, similar to how it's done for the
other documentation formats.
2022-08-13 17:31:45 -04:00
dependabot[bot] 6bf8cd8582
build(deps): bump github.com/inconshreveable/mousetrap (#1774) 2022-08-13 21:02:01 +00:00
Florian Forster 965924ac89
docs: add zitadel to the list (#1772) 2022-08-04 11:18:09 -04:00
Javier López Barba 162534f92f
doc: Add Okteto for projects using Cobra (#1759)
Signed-off-by: Javier López Barba <javier@okteto.com>
2022-07-20 16:45:07 +03:00
Ikko Ashimine a0aadc68eb
Spelling for GitHub CLI (#1744) 2022-07-07 07:54:19 +03:00
Tobias Klauser 69083f81b2
Add Cilium to projects using Cobra (#1745) 2022-06-28 15:19:33 -06:00
Yevgeny Pats bba9331d4e
doc: Add CloudQuery for projects using Cobra (#1742) 2022-06-25 19:17:06 +03:00
Miguel Duarte Barroso 3d38d18a23
Add KubeVirt as a project using cobra (#1741)
Reaching out on behalf of KubeVirt, an add-on for Kubernetes, enabling
users to run Virtual Machines on Kubernetes pods.

Signed-off-by: Miguel Duarte Barroso <mdbarroso@redhat.com>
2022-06-23 09:36:12 -06:00
dependabot[bot] 06b06a9dc9
Bump golangci/golangci-lint-action from 3.1.0 to 3.2.0 (#1697)
Bumps [golangci/golangci-lint-action](https://github.com/golangci/golangci-lint-action) from 3.1.0 to 3.2.0.
- [Release notes](https://github.com/golangci/golangci-lint-action/releases)
- [Commits](https://github.com/golangci/golangci-lint-action/compare/v3.1.0...v3.2.0)

---
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- dependency-name: golangci/golangci-lint-action
  dependency-type: direct:production
  update-type: version-update:semver-minor
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2022-06-20 20:06:17 -06:00
Marc Khouzam 5f2ec3c897
Update shell completion to respect flag groups (#1659)
Signed-off-by: Marc Khouzam <marc.khouzam@montreal.ca>

Co-authored-by: Marc Khouzam <marc.khouzam@montreal.ca>
2022-06-20 20:04:28 -06:00
Paul Holzinger b9ca5949e2
use errors.Is() to check for errors (#1730)
Since go 1.13 you can wrap errors. This make it no longer possible to
compare with `==`, instead you have to compare with `errors.Is()`.

I noticed this problem because -h was no longer working after I stared
wrapping the errors in my custom FlagErrorFunc function.
Note that this is only a problem when a custom help flag is defined.

Signed-off-by: Paul Holzinger <pholzing@redhat.com>
2022-06-20 20:02:33 -06:00
Unai Martinez-Corral ea94a3db55
undefined or nil Args default to ArbitraryArgs (#1612) 2022-06-20 20:00:50 -06:00
Marc Khouzam 7c9831d376
Fix handling of descriptions for bash v3 (#1735)
Fixes #1734

Tab characters that introduce completion descriptions weren't properly
being handled with bash v3.  This change fixes that.

Signed-off-by: Marc Khouzam <marc.khouzam@gmail.com>
2022-06-20 00:11:21 -04:00
kida ed7bb9dda4
Add unit test for fish completion (#1515) 2022-06-19 22:38:49 -04:00
Marc Khouzam f464d6c82e
Add Active Help support (#1482) 2022-06-15 20:08:16 -04:00
dependabot[bot] 7dc8b004e6
Bump actions/setup-go from 2 to 3 (#1660)
Bumps [actions/setup-go](https://github.com/actions/setup-go) from 2 to 3.
- [Release notes](https://github.com/actions/setup-go/releases)
- [Commits](https://github.com/actions/setup-go/compare/v2...v3)

---
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- dependency-name: actions/setup-go
  dependency-type: direct:production
  update-type: version-update:semver-major
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2022-06-15 16:08:55 -06:00
xuwu 87ea1807f7
Modify brew prefix path in macOS system (#1719) 2022-06-12 22:22:49 -04:00
Ian Wahbe ca8e3c2779
Add Pulumi as a project using cobra (#1720)
* Add Pulumi as a project using cobra
2022-06-08 17:12:54 -04:00
Tom Payne 37d481d4d4
fix: Don't complete _command on zsh (#1690)
Previously the generated zsh completion script started with the line

    #compdef _<command> <command>

where <command> is the command that the zsh completion script is
generated for.

This enabled completions for both <command> and _<command>, but
_<command> is the completion function itself and should not be
completed. Furthermore, attempting to autocomplete _<command> (e.g.
typing "_<command><Space><Tab>" in a zsh shell) causes zsh to hang.

This commit fixes the #compdef line to only complete <command>, not
_<command>.

Co-authored-by: Arvid Norlander <VorpalBlade@users.noreply.github.com>
2022-06-05 15:45:59 -04:00
Ville Skyttä 5b11656e45
perf(bash-v2): read directly to COMPREPLY on descriptionless short circuit (#1700)
Not that it'd really matter that much performancewise given the level we
are at for this case, but this change makes the short circuit roughly
twice as fast on my box as it was for the 1000 rounds done in
marckhouzam/cobra-completion-testing.

Perhaps more importantly, this makes the code arguably slightly cleaner.
2022-05-17 20:57:08 -04:00
Andreas Deininger ffa8860dbe
Change links from http:// to https:// (#1695) 2022-05-17 14:28:13 -04:00
Ville Skyttä e1ded5cd94
fix(bash-v2): skip empty completions when filtering descriptions (#1691)
`read` gives a last null value following a trailing newline.

Regression from fb8031162c.
2022-05-17 13:47:47 -04:00
dependabot[bot] 8afe9d1b56
Bump github.com/cpuguy83/go-md2man/v2 from 2.0.1 to 2.0.2 (#1688)
Bumps [github.com/cpuguy83/go-md2man/v2](https://github.com/cpuguy83/go-md2man) from 2.0.1 to 2.0.2.
- [Release notes](https://github.com/cpuguy83/go-md2man/releases)
- [Commits](https://github.com/cpuguy83/go-md2man/compare/v2.0.1...v2.0.2)

---
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- dependency-name: github.com/cpuguy83/go-md2man/v2
  dependency-type: direct:production
  update-type: version-update:semver-patch
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2022-05-14 17:16:07 -06:00
Hugo 25f5bb5f97
Prefer ReplaceAll instead of Replace(..., -1) (#1530) 2022-05-14 14:10:36 -06:00
Ville Skyttä 9e88759b19
perf(bash-v2): speed up filtering menu-complete descriptions (#1692)
Similarly as fb8031162c (+ the empty entry
fix) did for the "regular", non-menu completion cases.
2022-05-04 16:23:02 -04:00
Ville Skyttä fb8031162c
perf(bash-v2): speed up filtering entries with descriptions (#1689)
Use simple prefix match instead of single word `compgen -W` command
substitution for each candidate match.
2022-05-03 21:34:55 -04:00
Ville Skyttä 95d7df1858
perf(bash-v2): short-circuit descriptionless candidate lists (#1686)
If the list of candidates has no descriptions, short circuit all the
description processing logic, basically just do a `compgen -W` for the
whole list and be done with it.

We could conceivably do some optimizations like this and more when
generating the completions with `--no-descriptions` in Go code, by
omitting some parts we know won't be needed, or doing some things
differently. But doing it this way in bash, the improvements are
available also to completions generated with descriptions enabled when
they are invoked for completion cases that produce no
descriptions. The result after this for descriptionless entries seems
fast enough so it seems there's no immediate need to look into doing
that.
2022-05-03 21:16:07 -04:00
Ville Skyttä f17e5a27c9
style(bash): out is not an array variable, do not refer to it as such (#1684)
For legacy bash completions, similarly as commit
4f0facbcee is for bash completions v2.

As a side effect, fixes test suite with shellcheck 0.8.0 installed;
apparently the 0.7.0 that's in GitHub Actions' ubuntu-latest at the
moment does not flag the array quoting related issue that was provoked
from 0.8.0 before this change.
2022-05-02 21:41:07 -04:00
Ville Skyttä 09d6ba690f
perf(bash-v2): standard completion optimizations (#1683)
Refactor to remove two loops over the entire list of candidates.

Format descriptions only for completions that are actually going to be
displayed, instead of for all candidates.

Format descriptions inline in completions array, removing need for a
command substitution/subshell and a printf escape per displayed
completion.
2022-05-02 21:00:51 -04:00
Ville Skyttä 4f0facbcee
style(bash-v2): out is not an array variable, do not refer to it as such (#1681)
Even though this to my surprise works, it doesn't accomplish anything
but some confusion. Remove it.
2022-04-27 22:27:52 -04:00
Ville Skyttä 2722a75ba3
perf(bash-v2): use backslash escape string expansion for tab (#1682)
Using a command substitution, i.e. a subshell, with `printf` is
expensive for this purpose. For example `__*_format_comp_descriptions`
is run once for each completion candidate; the expense adds up and
shows when there are a lot of them.
2022-04-27 22:02:30 -04:00
Daniel Nguyen d8184d3269
Fix typo sh completion docs (#1678) 2022-04-26 20:39:55 -04:00
dependabot[bot] b9460ccc12
Bump codelytv/pr-size-labeler from 1.8.0 to 1.8.1 (#1661)
Bumps [codelytv/pr-size-labeler](https://github.com/codelytv/pr-size-labeler) from 1.8.0 to 1.8.1.
- [Release notes](https://github.com/codelytv/pr-size-labeler/releases)
- [Commits](https://github.com/codelytv/pr-size-labeler/compare/v1.8.0...v1.8.1)

---
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- dependency-name: codelytv/pr-size-labeler
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2022-04-21 08:20:16 -04:00
Miloš Živković 89d7b832c7
Add Polygon Edge as a project using Cobra (#1672) 2022-04-20 10:23:27 -04:00
John Schnake 68b6b24f0c
Add ability to mark flags as required or exclusive as a group (#1654)
This change adds two features for dealing with flags:
 - requiring flags be provided as a group (or not at all)
 - requiring flags be mutually exclusive of each other

By utilizing the flag annotations we can mark which flag groups
a flag is a part of and during the parsing process we track which
ones we have seen or not.

A flag may be a part of multiple groups. The list of flags and the
type of group (required together or exclusive) make it a unique group.

Signed-off-by: John Schnake <jschnake@vmware.com>
2022-04-17 16:04:57 -05:00
Paul Chesnais bf6cb5804d
Wrap printf tab with quotes (#1665)
Without this, slightly older versions of zsh fail to correctly parse the output of the __complete
command. Tested that with zsh 5.0.2 and zsh 5.8. Since this is just correctly quoting the output of
a command, it shouldn't cause any compatibility issues.
2022-04-14 00:30:27 -04:00
John McBride 9d15fe657a
Update stale-bot (#1609)
- Only label issues after feb 01, 2022
- Apply lifecycle/stale after 60 days
- Close issue and apply lifecycle/rotten after another 30 days

Signed-off-by: John McBride <jmcbride@vmware.com>
2022-04-08 11:46:22 -06:00
Unai Martinez-Corral 5271cf4342
ci/test: RICHGO_FORCE_COLOR (#1647) 2022-03-29 20:05:24 -04:00
John McBride ab42c937ec
Adds size labeler GitHub action (#1610)
Signed-off-by: John McBride <jmcbride@vmware.com>
2022-03-29 16:56:24 -06:00
dependabot[bot] 52e6099aea
Bump actions/checkout from 2 to 3 (#1619)
Bumps [actions/checkout](https://github.com/actions/checkout) from 2 to 3.
- [Release notes](https://github.com/actions/checkout/releases)
- [Changelog](https://github.com/actions/checkout/blob/main/CHANGELOG.md)
- [Commits](https://github.com/actions/checkout/compare/v2...v3)

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2022-03-26 09:50:12 -06:00
dependabot[bot] 5414d3d45d
Bump golangci/golangci-lint-action from 2 to 3.1.0 (#1615)
Bumps [golangci/golangci-lint-action](https://github.com/golangci/golangci-lint-action) from 2 to 3.1.0.
- [Release notes](https://github.com/golangci/golangci-lint-action/releases)
- [Commits](https://github.com/golangci/golangci-lint-action/compare/v2...v3.1.0)

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- dependency-name: golangci/golangci-lint-action
  dependency-type: direct:production
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2022-03-25 09:46:21 -06:00
dependabot[bot] cf0df73277
Bump actions/labeler from 3 to 4 (#1620)
Bumps [actions/labeler](https://github.com/actions/labeler) from 3 to 4.
- [Release notes](https://github.com/actions/labeler/releases)
- [Commits](https://github.com/actions/labeler/compare/v3...v4)

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2022-03-25 09:45:15 -06:00
dependabot[bot] 3723151d17
Bump actions/cache from 2 to 3 (#1640)
Bumps [actions/cache](https://github.com/actions/cache) from 2 to 3.
- [Release notes](https://github.com/actions/cache/releases)
- [Commits](https://github.com/actions/cache/compare/v2...v3)

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2022-03-25 09:44:51 -06:00
dependabot[bot] 1568491a09
Bump actions/stale from 1 to 5 (#1618)
Bumps [actions/stale](https://github.com/actions/stale) from 1 to 5.
- [Release notes](https://github.com/actions/stale/releases)
- [Changelog](https://github.com/actions/stale/blob/main/CHANGELOG.md)
- [Commits](https://github.com/actions/stale/compare/v1...v5)

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...

Signed-off-by: dependabot[bot] <support@github.com>

Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
2022-03-25 09:44:32 -06:00
Neville Bokdawalla d622355c84
Changed branch name in the cobra generator link to 'main' (#1645) 2022-03-24 19:20:54 -04:00
Avinash Upadhyaya K R 03c3eb73f8
Add Kubescape to projects (#1642) 2022-03-21 13:44:18 -04:00
Paul Meyer 3a1795bc25
Fix Command.Context comment (#1639) 2022-03-21 13:35:35 -04:00
Joshua Carpeggiani f848943afd
Add Command.SetContext (#1551)
Increases flexibility in how Contexts can be used with Cobra.
2022-03-18 06:01:58 -04:00
Simon Ser 5d066b77b5
Introduce FixedCompletions (#1574)
Example usage:

    choices := []string{"choice1", "choice2", "choice3"}
    cmd.RegisterFlagCompletionFunc(cobra.FixedCompletions(choices, ShellCompDirectiveNoFileComp))
2022-03-17 21:37:54 -04:00
Marc Khouzam 94e552d8d6
Add backwards-compatibility tests for legacyArgs() (#1547)
These tests make sure we don't break backwards-compatibility with
respect to the current behaviour of legacyArgs().

See #1500 for the back-story.

Signed-off-by: Marc Khouzam <marc.khouzam@montreal.ca>
2022-03-17 21:36:47 -04:00
Ondrej Sika 8cc7be2119
feat: Add how to load completions in your current zsh session (#1608) 2022-03-17 17:55:16 -04:00
Unai Martinez-Corral 65b1195d6e
ci: test on Golang 1.18 (#1635) 2022-03-17 06:26:10 -04:00
John Schnake 37463cff2c
Remove CHANGELOG.md as it isn't updated (#1634)
Fixes #1442

Signed-off-by: John Schnake <jschnake@vmware.com>
2022-03-16 09:34:01 -06:00
cui fliter 81d27c8f8d
fix some typos (#1625)
* fix some typos

Signed-off-by: cuishuang <imcusg@gmail.com>
2022-03-14 07:05:53 -04:00
John McBride 5b2b9e9f61
Removes viper dependency by removing cobra/ CLI tool (#1604)
The cobra bootstrapping CLI tool has moved to
https://github.com/spf13/cobra-cli

Signed-off-by: John McBride <jmcbride@vmware.com>
2022-03-10 08:19:35 -07:00
umarcor 9369465955 labeler: fix syntax 2022-03-09 12:34:54 -05:00
John McBride e1b831e5c2
Updates labeler for new labels (#1613)
Signed-off-by: John McBride <jmcbride@vmware.com>
2022-03-08 17:10:09 -07:00
Marc Khouzam 8267283cfe
Add MAINTAINERS file (alphabetical order) (#1545)
This should help the community know who they can turn to, but also
give credit to the maintainers for all their hard work.

Signed-off-by: Marc Khouzam <marc.khouzam@montreal.ca>
2022-02-28 08:24:45 -07:00
Hannah Troisi 6d2dc43606
Add Pixie to projects. (#1581) 2022-02-24 14:51:17 -05:00
Shyim a599632379
Fix install command (#1576) 2022-02-17 10:17:44 -07:00
Marian Steinbach 7cabfeb8f8
Update Go Doc link and badge (#1593)
Use `pkg.go.dev` instead of `godoc.org`
2022-02-16 15:17:17 -07:00
J.R. Hill e04ec72550
Bump license year to 2022 in golden files (#1575) 2022-01-06 13:58:09 -07:00
dependabot[bot] cb9d7b1cec
Bump github.com/spf13/viper from 1.10.0 to 1.10.1 (#1567)
Bumps [github.com/spf13/viper](https://github.com/spf13/viper) from 1.10.0 to 1.10.1.
- [Release notes](https://github.com/spf13/viper/releases)
- [Commits](https://github.com/spf13/viper/compare/v1.10.0...v1.10.1)

---
updated-dependencies:
- dependency-name: github.com/spf13/viper
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Note: For historical context on this viper dependency bump, please refer to https://github.com/spf13/cobra/pull/1539

Signed-off-by: dependabot[bot] <support@github.com>

Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
Co-authored-by: John McBride <jmcbride@vmware.com>
2021-12-20 21:00:40 -07:00
91 changed files with 5162 additions and 5354 deletions

26
.github/labeler.yml vendored
View file

@ -1,16 +1,24 @@
# changes to documentation generation
"area/doc-gen": doc/**/*
"area/docs-generation":
- changed-files:
- any-glob-to-any-file: 'doc/**'
# changes to the core Go cobra lib package
"area/lib": ./*.go
# changes to the core cobra command
"area/cobra-command":
- changed-files:
- any-glob-to-any-file: ['./cobra.go', './cobra_test.go', './*command*.go']
# changes to the Cobra CLI
"area/cli": cobra/**/*
# changes made to command flags/args
"area/flags":
- changed-files:
- any-glob-to-any-file: './args*.go'
# changes to Github workflows
"area/github": .github/**/*
"area/github":
- changed-files:
- any-glob-to-any-file: '.github/**'
# changes to shell completions
"area/*sh completion":
- ./*completions*
"area/shell-completion":
- changed-files:
- any-glob-to-any-file: './*completions*'

View file

@ -2,11 +2,17 @@ name: "Pull Request Labeler"
on:
- pull_request_target
permissions:
contents: read
jobs:
triage:
permissions:
contents: read # for actions/labeler to determine modified files
pull-requests: write # for actions/labeler to add labels to PRs
runs-on: ubuntu-latest
steps:
- uses: actions/labeler@v3
- uses: actions/labeler@v5
with:
repo-token: "${{ github.token }}"

33
.github/workflows/size-labeler.yml vendored Normal file
View file

@ -0,0 +1,33 @@
# Reference: https://github.com/CodelyTV/pr-size-labeler
name: size-labeler
on: [pull_request_target]
permissions:
contents: read
jobs:
size-labeler:
permissions:
pull-requests: write # for codelytv/pr-size-labeler to add labels & comment on PRs
runs-on: ubuntu-latest
name: Label the PR size
steps:
- uses: codelytv/pr-size-labeler@v1.8.1
with:
GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
xs_label: 'size/XS'
xs_max_size: '10'
s_label: 'size/S'
s_max_size: '24'
m_label: 'size/M'
m_max_size: '99'
l_label: 'size/L'
l_max_size: '200'
xl_label: 'size/XL'
fail_if_xl: 'false'
message_if_xl: >
'This PR exceeds the recommended size of 200 lines.
Please make sure you are NOT addressing multiple issues with one PR.
Note this PR might be rejected due to its size.

View file

@ -1,21 +0,0 @@
name: Mark stale issues and pull requests
on:
schedule:
- cron: "0 0 * * *"
jobs:
stale:
runs-on: ubuntu-latest
steps:
- uses: actions/stale@v1
with:
repo-token: ${{ secrets.GITHUB_TOKEN }}
stale-issue-message: 'This issue is being marked as stale due to a long period of inactivity'
stale-pr-message: 'This PR is being marked as stale due to a long period of inactivity'
stale-issue-label: 'kind/stale'
stale-pr-label: 'kind/stale'
exempt-issue-label: 'kind/stale'
exempt-pr-label: 'kind/stale'

View file

@ -3,27 +3,56 @@ name: Test
on:
push:
pull_request:
workflow_dispatch:
env:
GO111MODULE: on
permissions:
contents: read
jobs:
golangci-lint:
lic-headers:
runs-on: ubuntu-latest
steps:
- uses: actions/setup-go@v2
- uses: actions/checkout@v4
- run: >-
docker run
-v $(pwd):/wrk -w /wrk
ghcr.io/google/addlicense
-c 'The Cobra Authors'
-y '2013-2023'
-l apache
-ignore '.github/**'
-check
.
golangci-lint:
permissions:
contents: read # for actions/checkout to fetch code
pull-requests: read # for golangci/golangci-lint-action to fetch pull requests
runs-on: ubuntu-latest
steps:
- uses: actions/checkout@v4
- uses: actions/setup-go@v5
with:
go-version: '1.17'
go-version: '^1.22'
check-latest: true
cache: true
- uses: actions/checkout@v2
- uses: golangci/golangci-lint-action@v2
- uses: golangci/golangci-lint-action@v4.0.0
with:
version: latest
args: --verbose
test-unix:
strategy:
fail-fast: false
@ -32,36 +61,30 @@ jobs:
- ubuntu
- macOS
go:
- 14
- 15
- 16
- 17
- 18
- 19
- 20
- 21
- 22
name: '${{ matrix.platform }} | 1.${{ matrix.go }}.x'
runs-on: ${{ matrix.platform }}-latest
steps:
- uses: actions/setup-go@v2
- uses: actions/checkout@v4
- uses: actions/setup-go@v5
with:
go-version: 1.${{ matrix.go }}.x
- uses: actions/checkout@v2
- uses: actions/cache@v2
with:
path: ~/go/pkg/mod
key: ${{ runner.os }}-1.${{ matrix.go }}.x-${{ hashFiles('**/go.sum') }}
restore-keys: ${{ runner.os }}-1.${{ matrix.go }}.x-
cache: true
- run: |
export GOBIN=$HOME/go/bin
case "${{ matrix.go }}" in
16|17) _version='@latest';;
*) _version='';;
esac
go install github.com/kyoh86/richgo"${_version}"
go install github.com/mitchellh/gox"${_version}"
go install github.com/kyoh86/richgo@latest
go install github.com/mitchellh/gox@latest
- run: RICHGO_FORCE_COLOR=1 PATH=$HOME/go/bin/:$PATH make richtest
- run: PATH=$HOME/go/bin/:$PATH make test cobra_generator
test-win:
name: MINGW64
@ -84,9 +107,9 @@ jobs:
unzip
mingw-w64-x86_64-go
- uses: actions/checkout@v2
- uses: actions/checkout@v4
- uses: actions/cache@v2
- uses: actions/cache@v4
with:
path: ~/go/pkg/mod
key: ${{ runner.os }}-${{ matrix.go }}-${{ hashFiles('**/go.sum') }}
@ -97,4 +120,4 @@ jobs:
go install github.com/kyoh86/richgo@latest
go install github.com/mitchellh/gox@latest
- run: PATH=$HOME/go/bin:$PATH make test cobra_generator
- run: RICHGO_FORCE_COLOR=1 PATH=$HOME/go/bin:$PATH make richtest

View file

@ -1,3 +1,17 @@
# Copyright 2013-2023 The Cobra Authors
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
run:
deadline: 5m
@ -5,44 +19,39 @@ linters:
disable-all: true
enable:
#- bodyclose
- deadcode
# - deadcode ! deprecated since v1.49.0; replaced by 'unused'
#- depguard
#- dogsled
#- dupl
- errcheck
#- exhaustive
#- funlen
- gas
#- gochecknoinits
- goconst
#- gocritic
- gocritic
#- gocyclo
#- gofmt
- gofmt
- goimports
- golint
#- gomnd
#- goprintffuncname
#- gosec
#- gosimple
- gosec
- gosimple
- govet
- ineffassign
- interfacer
#- lll
- maligned
- megacheck
#- misspell
- misspell
#- nakedret
#- noctx
#- nolintlint
- nolintlint
#- rowserrcheck
#- scopelint
#- staticcheck
- structcheck
#- stylecheck
- staticcheck
#- structcheck ! deprecated since v1.49.0; replaced by 'unused'
- stylecheck
#- typecheck
- unconvert
#- unparam
#- unused
- varcheck
- unused
# - varcheck ! deprecated since v1.49.0; replaced by 'unused'
#- whitespace
fast: false

View file

@ -1,51 +0,0 @@
# Cobra Changelog
## v1.1.3
* **Fix:** release-branch.cobra1.1 only: Revert "Deprecate Go < 1.14" to maintain backward compatibility
## v1.1.2
### Notable Changes
* Bump license year to 2021 in golden files (#1309) @Bowbaq
* Enhance PowerShell completion with custom comp (#1208) @Luap99
* Update gopkg.in/yaml.v2 to v2.4.0: The previous breaking change in yaml.v2 v2.3.0 has been reverted, see go-yaml/yaml#670
* Documentation readability improvements (#1228 etc.) @zaataylor etc.
* Use golangci-lint: Repair warnings and errors resulting from linting (#1044) @umarcor
## v1.1.1
* **Fix:** yaml.v2 2.3.0 contained a unintended breaking change. This release reverts to yaml.v2 v2.2.8 which has recent critical CVE fixes, but does not have the breaking changes. See https://github.com/spf13/cobra/pull/1259 for context.
* **Fix:** correct internal formatting for go-md2man v2 (which caused man page generation to be broken). See https://github.com/spf13/cobra/issues/1049 for context.
## v1.1.0
### Notable Changes
* Extend Go completions and revamp zsh comp (#1070)
* Fix man page doc generation - no auto generated tag when `cmd.DisableAutoGenTag = true` (#1104) @jpmcb
* Add completion for help command (#1136)
* Complete subcommands when TraverseChildren is set (#1171)
* Fix stderr printing functions (#894)
* fix: fish output redirection (#1247)
## v1.0.0
Announcing v1.0.0 of Cobra. 🎉
### Notable Changes
* Fish completion (including support for Go custom completion) @marckhouzam
* API (urgent): Rename BashCompDirectives to ShellCompDirectives @marckhouzam
* Remove/replace SetOutput on Command - deprecated @jpmcb
* add support for autolabel stale PR @xchapter7x
* Add Labeler Actions @xchapter7x
* Custom completions coded in Go (instead of Bash) @marckhouzam
* Partial Revert of #922 @jharshman
* Add Makefile to project @jharshman
* Correct documentation for InOrStdin @desponda
* Apply formatting to templates @jharshman
* Revert change so help is printed on stdout again @marckhouzam
* Update md2man to v2.0.0 @pdf
* update viper to v1.4.0 @umarcor
* Update cmd/root.go example in README.md @jharshman

13
MAINTAINERS Normal file
View file

@ -0,0 +1,13 @@
maintainers:
- spf13
- johnSchnake
- jpmcb
- marckhouzam
inactive:
- anthonyfok
- bep
- bogem
- broady
- eparis
- jharshman
- wfernandes

View file

@ -5,15 +5,11 @@ ifeq (, $(shell which golangci-lint))
$(warning "could not find golangci-lint in $(PATH), run: curl -sfL https://install.goreleaser.com/github.com/golangci/golangci-lint.sh | sh")
endif
ifeq (, $(shell which richgo))
$(warning "could not find richgo in $(PATH), run: go get github.com/kyoh86/richgo")
endif
.PHONY: fmt lint test cobra_generator install_deps clean
.PHONY: fmt lint test install_deps clean
default: all
all: fmt test cobra_generator
all: fmt test
fmt:
$(info ******************** checking formatting ********************)
@ -25,12 +21,11 @@ lint:
test: install_deps
$(info ******************** running tests ********************)
richgo test -v ./...
go test -v ./...
cobra_generator: install_deps
$(info ******************** building generator ********************)
mkdir -p $(BIN)
make -C cobra all
richtest: install_deps
$(info ******************** running tests with kyoh86/richgo ********************)
richgo test -v ./...
install_deps:
$(info ******************** downloading dependencies ********************)

View file

@ -1,13 +1,13 @@
![cobra logo](https://cloud.githubusercontent.com/assets/173412/10886352/ad566232-814f-11e5-9cd0-aa101788c117.png)
![cobra logo](assets/CobraMain.png)
Cobra is both a library for creating powerful modern CLI applications as well as a program to generate applications and command files.
Cobra is a library for creating powerful modern CLI applications.
Cobra is used in many Go projects such as [Kubernetes](http://kubernetes.io/),
[Hugo](https://gohugo.io), and [Github CLI](https://github.com/cli/cli) to
name a few. [This list](./projects_using_cobra.md) contains a more extensive list of projects using Cobra.
Cobra is used in many Go projects such as [Kubernetes](https://kubernetes.io/),
[Hugo](https://gohugo.io), and [GitHub CLI](https://github.com/cli/cli) to
name a few. [This list](site/content/projects_using_cobra.md) contains a more extensive list of projects using Cobra.
[![](https://img.shields.io/github/workflow/status/spf13/cobra/Test?longCache=tru&label=Test&logo=github%20actions&logoColor=fff)](https://github.com/spf13/cobra/actions?query=workflow%3ATest)
[![GoDoc](https://godoc.org/github.com/spf13/cobra?status.svg)](https://godoc.org/github.com/spf13/cobra)
[![](https://img.shields.io/github/actions/workflow/status/spf13/cobra/test.yml?branch=main&longCache=true&label=Test&logo=github%20actions&logoColor=fff)](https://github.com/spf13/cobra/actions?query=workflow%3ATest)
[![Go Reference](https://pkg.go.dev/badge/github.com/spf13/cobra.svg)](https://pkg.go.dev/github.com/spf13/cobra)
[![Go Report Card](https://goreportcard.com/badge/github.com/spf13/cobra)](https://goreportcard.com/report/github.com/spf13/cobra)
[![Slack](https://img.shields.io/badge/Slack-cobra-brightgreen)](https://gophers.slack.com/archives/CD3LP1199)
@ -16,23 +16,20 @@ name a few. [This list](./projects_using_cobra.md) contains a more extensive lis
Cobra is a library providing a simple interface to create powerful modern CLI
interfaces similar to git & go tools.
Cobra is also an application that will generate your application scaffolding to rapidly
develop a Cobra-based application.
Cobra provides:
* Easy subcommand-based CLIs: `app server`, `app fetch`, etc.
* Fully POSIX-compliant flags (including short & long versions)
* Nested subcommands
* Global, local and cascading flags
* Easy generation of applications & commands with `cobra init` & `cobra add cmdname`
* Intelligent suggestions (`app srver`... did you mean `app server`?)
* Automatic help generation for commands and flags
* Grouping help for subcommands
* Automatic help flag recognition of `-h`, `--help`, etc.
* Automatically generated shell autocomplete for your application (bash, zsh, fish, powershell)
* Automatically generated man pages for your application
* Command aliases so you can change things without breaking them
* The flexibility to define your own help, usage, etc.
* Optional seamless integration with [viper](http://github.com/spf13/viper) for 12-factor apps
* Optional seamless integration with [viper](https://github.com/spf13/viper) for 12-factor apps
# Concepts
@ -44,9 +41,9 @@ The best applications read like sentences when used, and as a result, users
intuitively know how to interact with them.
The pattern to follow is
`APPNAME VERB NOUN --ADJECTIVE.`
`APPNAME VERB NOUN --ADJECTIVE`
or
`APPNAME COMMAND ARG --FLAG`
`APPNAME COMMAND ARG --FLAG`.
A few good real world examples may better illustrate this point.
@ -83,10 +80,11 @@ which maintains the same interface while adding POSIX compliance.
# Installing
Using Cobra is easy. First, use `go get` to install the latest version
of the library. This command will install the `cobra` generator executable
along with the library and its dependencies:
of the library.
go get -u github.com/spf13/cobra
```
go get -u github.com/spf13/cobra@latest
```
Next, include Cobra in your application:
@ -95,13 +93,20 @@ import "github.com/spf13/cobra"
```
# Usage
Cobra provides its own program that will create your application and add any
commands you want. It's the easiest way to incorporate Cobra into your application.
`cobra-cli` is a command line program to generate cobra applications and command files.
It will bootstrap your application scaffolding to rapidly
develop a Cobra-based application. It is the easiest way to incorporate Cobra into your application.
For complete details on using the Cobra generator, please read [The Cobra Generator README](https://github.com/spf13/cobra/blob/master/cobra/README.md)
It can be installed by running:
For complete details on using the Cobra library, please read the [The Cobra User Guide](user_guide.md).
```
go install github.com/spf13/cobra-cli@latest
```
For complete details on using the Cobra-CLI generator, please read [The Cobra Generator README](https://github.com/spf13/cobra-cli/blob/main/README.md)
For complete details on using the Cobra library, please read the [The Cobra User Guide](site/content/user_guide.md).
# License
Cobra is released under the Apache 2.0 license. See [LICENSE.txt](https://github.com/spf13/cobra/blob/master/LICENSE.txt)
Cobra is released under the Apache 2.0 license. See [LICENSE.txt](LICENSE.txt)

60
active_help.go Normal file
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@ -0,0 +1,60 @@
// Copyright 2013-2023 The Cobra Authors
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package cobra
import (
"fmt"
"os"
)
const (
activeHelpMarker = "_activeHelp_ "
// The below values should not be changed: programs will be using them explicitly
// in their user documentation, and users will be using them explicitly.
activeHelpEnvVarSuffix = "ACTIVE_HELP"
activeHelpGlobalEnvVar = configEnvVarGlobalPrefix + "_" + activeHelpEnvVarSuffix
activeHelpGlobalDisable = "0"
)
// AppendActiveHelp adds the specified string to the specified array to be used as ActiveHelp.
// Such strings will be processed by the completion script and will be shown as ActiveHelp
// to the user.
// The array parameter should be the array that will contain the completions.
// This function can be called multiple times before and/or after completions are added to
// the array. Each time this function is called with the same array, the new
// ActiveHelp line will be shown below the previous ones when completion is triggered.
func AppendActiveHelp(compArray []string, activeHelpStr string) []string {
return append(compArray, fmt.Sprintf("%s%s", activeHelpMarker, activeHelpStr))
}
// GetActiveHelpConfig returns the value of the ActiveHelp environment variable
// <PROGRAM>_ACTIVE_HELP where <PROGRAM> is the name of the root command in upper
// case, with all non-ASCII-alphanumeric characters replaced by `_`.
// It will always return "0" if the global environment variable COBRA_ACTIVE_HELP
// is set to "0".
func GetActiveHelpConfig(cmd *Command) string {
activeHelpCfg := os.Getenv(activeHelpGlobalEnvVar)
if activeHelpCfg != activeHelpGlobalDisable {
activeHelpCfg = os.Getenv(activeHelpEnvVar(cmd.Root().Name()))
}
return activeHelpCfg
}
// activeHelpEnvVar returns the name of the program-specific ActiveHelp environment
// variable. It has the format <PROGRAM>_ACTIVE_HELP where <PROGRAM> is the name of the
// root command in upper case, with all non-ASCII-alphanumeric characters replaced by `_`.
func activeHelpEnvVar(name string) string {
return configEnvVar(name, activeHelpEnvVarSuffix)
}

400
active_help_test.go Normal file
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@ -0,0 +1,400 @@
// Copyright 2013-2023 The Cobra Authors
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package cobra
import (
"fmt"
"os"
"strings"
"testing"
)
const (
activeHelpMessage = "This is an activeHelp message"
activeHelpMessage2 = "This is the rest of the activeHelp message"
)
func TestActiveHelpAlone(t *testing.T) {
rootCmd := &Command{
Use: "root",
Run: emptyRun,
}
activeHelpFunc := func(cmd *Command, args []string, toComplete string) ([]string, ShellCompDirective) {
comps := AppendActiveHelp(nil, activeHelpMessage)
return comps, ShellCompDirectiveDefault
}
// Test that activeHelp can be added to a root command
rootCmd.ValidArgsFunction = activeHelpFunc
output, err := executeCommand(rootCmd, ShellCompNoDescRequestCmd, "")
if err != nil {
t.Errorf("Unexpected error: %v", err)
}
expected := strings.Join([]string{
fmt.Sprintf("%s%s", activeHelpMarker, activeHelpMessage),
":0",
"Completion ended with directive: ShellCompDirectiveDefault", ""}, "\n")
if output != expected {
t.Errorf("expected: %q, got: %q", expected, output)
}
rootCmd.ValidArgsFunction = nil
// Test that activeHelp can be added to a child command
childCmd := &Command{
Use: "thechild",
Short: "The child command",
Run: emptyRun,
}
rootCmd.AddCommand(childCmd)
childCmd.ValidArgsFunction = activeHelpFunc
output, err = executeCommand(rootCmd, ShellCompNoDescRequestCmd, "thechild", "")
if err != nil {
t.Errorf("Unexpected error: %v", err)
}
expected = strings.Join([]string{
fmt.Sprintf("%s%s", activeHelpMarker, activeHelpMessage),
":0",
"Completion ended with directive: ShellCompDirectiveDefault", ""}, "\n")
if output != expected {
t.Errorf("expected: %q, got: %q", expected, output)
}
}
func TestActiveHelpWithComps(t *testing.T) {
rootCmd := &Command{
Use: "root",
Run: emptyRun,
}
childCmd := &Command{
Use: "thechild",
Short: "The child command",
Run: emptyRun,
}
rootCmd.AddCommand(childCmd)
// Test that activeHelp can be added following other completions
childCmd.ValidArgsFunction = func(cmd *Command, args []string, toComplete string) ([]string, ShellCompDirective) {
comps := []string{"first", "second"}
comps = AppendActiveHelp(comps, activeHelpMessage)
return comps, ShellCompDirectiveDefault
}
output, err := executeCommand(rootCmd, ShellCompNoDescRequestCmd, "thechild", "")
if err != nil {
t.Errorf("Unexpected error: %v", err)
}
expected := strings.Join([]string{
"first",
"second",
fmt.Sprintf("%s%s", activeHelpMarker, activeHelpMessage),
":0",
"Completion ended with directive: ShellCompDirectiveDefault", ""}, "\n")
if output != expected {
t.Errorf("expected: %q, got: %q", expected, output)
}
// Test that activeHelp can be added preceding other completions
childCmd.ValidArgsFunction = func(cmd *Command, args []string, toComplete string) ([]string, ShellCompDirective) {
var comps []string
comps = AppendActiveHelp(comps, activeHelpMessage)
comps = append(comps, []string{"first", "second"}...)
return comps, ShellCompDirectiveDefault
}
output, err = executeCommand(rootCmd, ShellCompNoDescRequestCmd, "thechild", "")
if err != nil {
t.Errorf("Unexpected error: %v", err)
}
expected = strings.Join([]string{
fmt.Sprintf("%s%s", activeHelpMarker, activeHelpMessage),
"first",
"second",
":0",
"Completion ended with directive: ShellCompDirectiveDefault", ""}, "\n")
if output != expected {
t.Errorf("expected: %q, got: %q", expected, output)
}
// Test that activeHelp can be added interleaved with other completions
childCmd.ValidArgsFunction = func(cmd *Command, args []string, toComplete string) ([]string, ShellCompDirective) {
comps := []string{"first"}
comps = AppendActiveHelp(comps, activeHelpMessage)
comps = append(comps, "second")
return comps, ShellCompDirectiveDefault
}
output, err = executeCommand(rootCmd, ShellCompNoDescRequestCmd, "thechild", "")
if err != nil {
t.Errorf("Unexpected error: %v", err)
}
expected = strings.Join([]string{
"first",
fmt.Sprintf("%s%s", activeHelpMarker, activeHelpMessage),
"second",
":0",
"Completion ended with directive: ShellCompDirectiveDefault", ""}, "\n")
if output != expected {
t.Errorf("expected: %q, got: %q", expected, output)
}
}
func TestMultiActiveHelp(t *testing.T) {
rootCmd := &Command{
Use: "root",
Run: emptyRun,
}
childCmd := &Command{
Use: "thechild",
Short: "The child command",
Run: emptyRun,
}
rootCmd.AddCommand(childCmd)
// Test that multiple activeHelp message can be added
childCmd.ValidArgsFunction = func(cmd *Command, args []string, toComplete string) ([]string, ShellCompDirective) {
comps := AppendActiveHelp(nil, activeHelpMessage)
comps = AppendActiveHelp(comps, activeHelpMessage2)
return comps, ShellCompDirectiveNoFileComp
}
output, err := executeCommand(rootCmd, ShellCompNoDescRequestCmd, "thechild", "")
if err != nil {
t.Errorf("Unexpected error: %v", err)
}
expected := strings.Join([]string{
fmt.Sprintf("%s%s", activeHelpMarker, activeHelpMessage),
fmt.Sprintf("%s%s", activeHelpMarker, activeHelpMessage2),
":4",
"Completion ended with directive: ShellCompDirectiveNoFileComp", ""}, "\n")
if output != expected {
t.Errorf("expected: %q, got: %q", expected, output)
}
// Test that multiple activeHelp messages can be used along with completions
childCmd.ValidArgsFunction = func(cmd *Command, args []string, toComplete string) ([]string, ShellCompDirective) {
comps := []string{"first"}
comps = AppendActiveHelp(comps, activeHelpMessage)
comps = append(comps, "second")
comps = AppendActiveHelp(comps, activeHelpMessage2)
return comps, ShellCompDirectiveNoFileComp
}
output, err = executeCommand(rootCmd, ShellCompNoDescRequestCmd, "thechild", "")
if err != nil {
t.Errorf("Unexpected error: %v", err)
}
expected = strings.Join([]string{
"first",
fmt.Sprintf("%s%s", activeHelpMarker, activeHelpMessage),
"second",
fmt.Sprintf("%s%s", activeHelpMarker, activeHelpMessage2),
":4",
"Completion ended with directive: ShellCompDirectiveNoFileComp", ""}, "\n")
if output != expected {
t.Errorf("expected: %q, got: %q", expected, output)
}
}
func TestActiveHelpForFlag(t *testing.T) {
rootCmd := &Command{
Use: "root",
Run: emptyRun,
}
flagname := "flag"
rootCmd.Flags().String(flagname, "", "A flag")
// Test that multiple activeHelp message can be added
_ = rootCmd.RegisterFlagCompletionFunc(flagname, func(cmd *Command, args []string, toComplete string) ([]string, ShellCompDirective) {
comps := []string{"first"}
comps = AppendActiveHelp(comps, activeHelpMessage)
comps = append(comps, "second")
comps = AppendActiveHelp(comps, activeHelpMessage2)
return comps, ShellCompDirectiveNoFileComp
})
output, err := executeCommand(rootCmd, ShellCompNoDescRequestCmd, "--flag", "")
if err != nil {
t.Errorf("Unexpected error: %v", err)
}
expected := strings.Join([]string{
"first",
fmt.Sprintf("%s%s", activeHelpMarker, activeHelpMessage),
"second",
fmt.Sprintf("%s%s", activeHelpMarker, activeHelpMessage2),
":4",
"Completion ended with directive: ShellCompDirectiveNoFileComp", ""}, "\n")
if output != expected {
t.Errorf("expected: %q, got: %q", expected, output)
}
}
func TestConfigActiveHelp(t *testing.T) {
rootCmd := &Command{
Use: "root",
Run: emptyRun,
}
childCmd := &Command{
Use: "thechild",
Short: "The child command",
Run: emptyRun,
}
rootCmd.AddCommand(childCmd)
activeHelpCfg := "someconfig,anotherconfig"
// Set the variable that the user would be setting
os.Setenv(activeHelpEnvVar(rootCmd.Name()), activeHelpCfg)
childCmd.ValidArgsFunction = func(cmd *Command, args []string, toComplete string) ([]string, ShellCompDirective) {
receivedActiveHelpCfg := GetActiveHelpConfig(cmd)
if receivedActiveHelpCfg != activeHelpCfg {
t.Errorf("expected activeHelpConfig: %q, but got: %q", activeHelpCfg, receivedActiveHelpCfg)
}
return nil, ShellCompDirectiveDefault
}
_, err := executeCommand(rootCmd, ShellCompNoDescRequestCmd, "thechild", "")
if err != nil {
t.Errorf("Unexpected error: %v", err)
}
// Test active help config for a flag
activeHelpCfg = "a config for a flag"
// Set the variable that the completions scripts will be setting
os.Setenv(activeHelpEnvVar(rootCmd.Name()), activeHelpCfg)
flagname := "flag"
childCmd.Flags().String(flagname, "", "A flag")
// Test that multiple activeHelp message can be added
_ = childCmd.RegisterFlagCompletionFunc(flagname, func(cmd *Command, args []string, toComplete string) ([]string, ShellCompDirective) {
receivedActiveHelpCfg := GetActiveHelpConfig(cmd)
if receivedActiveHelpCfg != activeHelpCfg {
t.Errorf("expected activeHelpConfig: %q, but got: %q", activeHelpCfg, receivedActiveHelpCfg)
}
return nil, ShellCompDirectiveDefault
})
_, err = executeCommand(rootCmd, ShellCompNoDescRequestCmd, "thechild", "--flag", "")
if err != nil {
t.Errorf("Unexpected error: %v", err)
}
}
func TestDisableActiveHelp(t *testing.T) {
rootCmd := &Command{
Use: "root",
Run: emptyRun,
}
childCmd := &Command{
Use: "thechild",
Short: "The child command",
Run: emptyRun,
}
rootCmd.AddCommand(childCmd)
// Test the disabling of activeHelp using the specific program
// environment variable that the completions scripts will be setting.
// Make sure the disabling value is "0" by hard-coding it in the tests;
// this is for backwards-compatibility as programs will be using this value.
os.Setenv(activeHelpEnvVar(rootCmd.Name()), "0")
childCmd.ValidArgsFunction = func(cmd *Command, args []string, toComplete string) ([]string, ShellCompDirective) {
comps := []string{"first"}
comps = AppendActiveHelp(comps, activeHelpMessage)
return comps, ShellCompDirectiveDefault
}
output, err := executeCommand(rootCmd, ShellCompNoDescRequestCmd, "thechild", "")
if err != nil {
t.Errorf("Unexpected error: %v", err)
}
os.Unsetenv(activeHelpEnvVar(rootCmd.Name()))
// Make sure there is no ActiveHelp in the output
expected := strings.Join([]string{
"first",
":0",
"Completion ended with directive: ShellCompDirectiveDefault", ""}, "\n")
if output != expected {
t.Errorf("expected: %q, got: %q", expected, output)
}
// Now test the global disabling of ActiveHelp
os.Setenv(activeHelpGlobalEnvVar, "0")
// Set the specific variable, to make sure it is ignored when the global env
// var is set properly
os.Setenv(activeHelpEnvVar(rootCmd.Name()), "1")
output, err = executeCommand(rootCmd, ShellCompNoDescRequestCmd, "thechild", "")
if err != nil {
t.Errorf("Unexpected error: %v", err)
}
// Make sure there is no ActiveHelp in the output
expected = strings.Join([]string{
"first",
":0",
"Completion ended with directive: ShellCompDirectiveDefault", ""}, "\n")
if output != expected {
t.Errorf("expected: %q, got: %q", expected, output)
}
// Make sure that if the global env variable is set to anything else than
// the disable value it is ignored
os.Setenv(activeHelpGlobalEnvVar, "on")
// Set the specific variable, to make sure it is used (while ignoring the global env var)
activeHelpCfg := "1"
os.Setenv(activeHelpEnvVar(rootCmd.Name()), activeHelpCfg)
childCmd.ValidArgsFunction = func(cmd *Command, args []string, toComplete string) ([]string, ShellCompDirective) {
receivedActiveHelpCfg := GetActiveHelpConfig(cmd)
if receivedActiveHelpCfg != activeHelpCfg {
t.Errorf("expected activeHelpConfig: %q, but got: %q", activeHelpCfg, receivedActiveHelpCfg)
}
return nil, ShellCompDirectiveDefault
}
_, err = executeCommand(rootCmd, ShellCompNoDescRequestCmd, "thechild", "")
if err != nil {
t.Errorf("Unexpected error: %v", err)
}
}

44
args.go
View file

@ -1,3 +1,17 @@
// Copyright 2013-2023 The Cobra Authors
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package cobra
import (
@ -7,7 +21,7 @@ import (
type PositionalArgs func(cmd *Command, args []string) error
// Legacy arg validation has the following behaviour:
// legacyArgs validation has the following behaviour:
// - root commands with no subcommands can take arbitrary arguments
// - root commands with subcommands will do subcommand validity checking
// - subcommands will always accept arbitrary arguments
@ -32,16 +46,16 @@ func NoArgs(cmd *Command, args []string) error {
return nil
}
// OnlyValidArgs returns an error if any args are not in the list of ValidArgs.
// OnlyValidArgs returns an error if there are any positional args that are not in
// the `ValidArgs` field of `Command`
func OnlyValidArgs(cmd *Command, args []string) error {
if len(cmd.ValidArgs) > 0 {
// Remove any description that may be included in ValidArgs.
// A description is following a tab character.
var validArgs []string
validArgs := make([]string, 0, len(cmd.ValidArgs))
for _, v := range cmd.ValidArgs {
validArgs = append(validArgs, strings.Split(v, "\t")[0])
validArgs = append(validArgs, strings.SplitN(v, "\t", 2)[0])
}
for _, v := range args {
if !stringInSlice(v, validArgs) {
return fmt.Errorf("invalid argument %q for %q%s", v, cmd.CommandPath(), cmd.findSuggestions(args[0]))
@ -86,18 +100,6 @@ func ExactArgs(n int) PositionalArgs {
}
}
// ExactValidArgs returns an error if
// there are not exactly N positional args OR
// there are any positional args that are not in the `ValidArgs` field of `Command`
func ExactValidArgs(n int) PositionalArgs {
return func(cmd *Command, args []string) error {
if err := ExactArgs(n)(cmd, args); err != nil {
return err
}
return OnlyValidArgs(cmd, args)
}
}
// RangeArgs returns an error if the number of args is not within the expected range.
func RangeArgs(min int, max int) PositionalArgs {
return func(cmd *Command, args []string) error {
@ -119,3 +121,11 @@ func MatchAll(pargs ...PositionalArgs) PositionalArgs {
return nil
}
}
// ExactValidArgs returns an error if there are not exactly N positional args OR
// there are any positional args that are not in the `ValidArgs` field of `Command`
//
// Deprecated: use MatchAll(ExactArgs(n), OnlyValidArgs) instead
func ExactValidArgs(n int) PositionalArgs {
return MatchAll(ExactArgs(n), OnlyValidArgs)
}

View file

@ -1,3 +1,17 @@
// Copyright 2013-2023 The Cobra Authors
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package cobra
import (
@ -27,7 +41,7 @@ func expectSuccess(output string, err error, t *testing.T) {
}
}
func validWithInvalidArgs(err error, t *testing.T) {
func validOnlyWithInvalidArgs(err error, t *testing.T) {
if err == nil {
t.Fatal("Expected an error")
}
@ -38,12 +52,12 @@ func validWithInvalidArgs(err error, t *testing.T) {
}
}
func noArgsWithArgs(err error, t *testing.T) {
func noArgsWithArgs(err error, t *testing.T, arg string) {
if err == nil {
t.Fatal("Expected an error")
}
got := err.Error()
expected := `unknown command "illegal" for "c"`
expected := `unknown command "` + arg + `" for "c"`
if got != expected {
t.Errorf("Expected: %q, got: %q", expected, got)
}
@ -93,102 +107,280 @@ func rangeArgsWithInvalidCount(err error, t *testing.T) {
}
}
// NoArgs
func TestNoArgs(t *testing.T) {
c := getCommand(NoArgs, false)
output, err := executeCommand(c)
expectSuccess(output, err, t)
}
func TestNoArgsWithArgs(t *testing.T) {
func TestNoArgs_WithArgs(t *testing.T) {
c := getCommand(NoArgs, false)
_, err := executeCommand(c, "illegal")
noArgsWithArgs(err, t)
_, err := executeCommand(c, "one")
noArgsWithArgs(err, t, "one")
}
func TestNoArgs_WithValid_WithArgs(t *testing.T) {
c := getCommand(NoArgs, true)
_, err := executeCommand(c, "one")
noArgsWithArgs(err, t, "one")
}
func TestNoArgs_WithValid_WithInvalidArgs(t *testing.T) {
c := getCommand(NoArgs, true)
_, err := executeCommand(c, "a")
noArgsWithArgs(err, t, "a")
}
func TestNoArgs_WithValidOnly_WithInvalidArgs(t *testing.T) {
c := getCommand(MatchAll(OnlyValidArgs, NoArgs), true)
_, err := executeCommand(c, "a")
validOnlyWithInvalidArgs(err, t)
}
// OnlyValidArgs
func TestOnlyValidArgs(t *testing.T) {
c := getCommand(OnlyValidArgs, true)
output, err := executeCommand(c, "one", "two")
expectSuccess(output, err, t)
}
func TestOnlyValidArgsWithInvalidArgs(t *testing.T) {
func TestOnlyValidArgs_WithInvalidArgs(t *testing.T) {
c := getCommand(OnlyValidArgs, true)
_, err := executeCommand(c, "a")
validWithInvalidArgs(err, t)
validOnlyWithInvalidArgs(err, t)
}
// ArbitraryArgs
func TestArbitraryArgs(t *testing.T) {
c := getCommand(ArbitraryArgs, false)
output, err := executeCommand(c, "a", "b")
expectSuccess(output, err, t)
}
func TestArbitraryArgs_WithValid(t *testing.T) {
c := getCommand(ArbitraryArgs, true)
output, err := executeCommand(c, "one", "two")
expectSuccess(output, err, t)
}
func TestArbitraryArgs_WithValid_WithInvalidArgs(t *testing.T) {
c := getCommand(ArbitraryArgs, true)
output, err := executeCommand(c, "a")
expectSuccess(output, err, t)
}
func TestArbitraryArgs_WithValidOnly_WithInvalidArgs(t *testing.T) {
c := getCommand(MatchAll(OnlyValidArgs, ArbitraryArgs), true)
_, err := executeCommand(c, "a")
validOnlyWithInvalidArgs(err, t)
}
// MinimumNArgs
func TestMinimumNArgs(t *testing.T) {
c := getCommand(MinimumNArgs(2), false)
output, err := executeCommand(c, "a", "b", "c")
expectSuccess(output, err, t)
}
func TestMinimumNArgsWithLessArgs(t *testing.T) {
func TestMinimumNArgs_WithValid(t *testing.T) {
c := getCommand(MinimumNArgs(2), true)
output, err := executeCommand(c, "one", "three")
expectSuccess(output, err, t)
}
func TestMinimumNArgs_WithValid__WithInvalidArgs(t *testing.T) {
c := getCommand(MinimumNArgs(2), true)
output, err := executeCommand(c, "a", "b")
expectSuccess(output, err, t)
}
func TestMinimumNArgs_WithValidOnly_WithInvalidArgs(t *testing.T) {
c := getCommand(MatchAll(OnlyValidArgs, MinimumNArgs(2)), true)
_, err := executeCommand(c, "a", "b")
validOnlyWithInvalidArgs(err, t)
}
func TestMinimumNArgs_WithLessArgs(t *testing.T) {
c := getCommand(MinimumNArgs(2), false)
_, err := executeCommand(c, "a")
minimumNArgsWithLessArgs(err, t)
}
func TestMinimumNArgs_WithLessArgs_WithValid(t *testing.T) {
c := getCommand(MinimumNArgs(2), true)
_, err := executeCommand(c, "one")
minimumNArgsWithLessArgs(err, t)
}
func TestMinimumNArgs_WithLessArgs_WithValid_WithInvalidArgs(t *testing.T) {
c := getCommand(MinimumNArgs(2), true)
_, err := executeCommand(c, "a")
minimumNArgsWithLessArgs(err, t)
}
func TestMinimumNArgs_WithLessArgs_WithValidOnly_WithInvalidArgs(t *testing.T) {
c := getCommand(MatchAll(OnlyValidArgs, MinimumNArgs(2)), true)
_, err := executeCommand(c, "a")
validOnlyWithInvalidArgs(err, t)
}
// MaximumNArgs
func TestMaximumNArgs(t *testing.T) {
c := getCommand(MaximumNArgs(3), false)
output, err := executeCommand(c, "a", "b")
expectSuccess(output, err, t)
}
func TestMaximumNArgsWithMoreArgs(t *testing.T) {
func TestMaximumNArgs_WithValid(t *testing.T) {
c := getCommand(MaximumNArgs(2), true)
output, err := executeCommand(c, "one", "three")
expectSuccess(output, err, t)
}
func TestMaximumNArgs_WithValid_WithInvalidArgs(t *testing.T) {
c := getCommand(MaximumNArgs(2), true)
output, err := executeCommand(c, "a", "b")
expectSuccess(output, err, t)
}
func TestMaximumNArgs_WithValidOnly_WithInvalidArgs(t *testing.T) {
c := getCommand(MatchAll(OnlyValidArgs, MaximumNArgs(2)), true)
_, err := executeCommand(c, "a", "b")
validOnlyWithInvalidArgs(err, t)
}
func TestMaximumNArgs_WithMoreArgs(t *testing.T) {
c := getCommand(MaximumNArgs(2), false)
_, err := executeCommand(c, "a", "b", "c")
maximumNArgsWithMoreArgs(err, t)
}
func TestMaximumNArgs_WithMoreArgs_WithValid(t *testing.T) {
c := getCommand(MaximumNArgs(2), true)
_, err := executeCommand(c, "one", "three", "two")
maximumNArgsWithMoreArgs(err, t)
}
func TestMaximumNArgs_WithMoreArgs_WithValid_WithInvalidArgs(t *testing.T) {
c := getCommand(MaximumNArgs(2), true)
_, err := executeCommand(c, "a", "b", "c")
maximumNArgsWithMoreArgs(err, t)
}
func TestMaximumNArgs_WithMoreArgs_WithValidOnly_WithInvalidArgs(t *testing.T) {
c := getCommand(MatchAll(OnlyValidArgs, MaximumNArgs(2)), true)
_, err := executeCommand(c, "a", "b", "c")
validOnlyWithInvalidArgs(err, t)
}
// ExactArgs
func TestExactArgs(t *testing.T) {
c := getCommand(ExactArgs(3), false)
output, err := executeCommand(c, "a", "b", "c")
expectSuccess(output, err, t)
}
func TestExactArgsWithInvalidCount(t *testing.T) {
func TestExactArgs_WithValid(t *testing.T) {
c := getCommand(ExactArgs(3), true)
output, err := executeCommand(c, "three", "one", "two")
expectSuccess(output, err, t)
}
func TestExactArgs_WithValid_WithInvalidArgs(t *testing.T) {
c := getCommand(ExactArgs(3), true)
output, err := executeCommand(c, "three", "a", "two")
expectSuccess(output, err, t)
}
func TestExactArgs_WithValidOnly_WithInvalidArgs(t *testing.T) {
c := getCommand(MatchAll(OnlyValidArgs, ExactArgs(3)), true)
_, err := executeCommand(c, "three", "a", "two")
validOnlyWithInvalidArgs(err, t)
}
func TestExactArgs_WithInvalidCount(t *testing.T) {
c := getCommand(ExactArgs(2), false)
_, err := executeCommand(c, "a", "b", "c")
exactArgsWithInvalidCount(err, t)
}
func TestExactValidArgs(t *testing.T) {
c := getCommand(ExactValidArgs(3), true)
output, err := executeCommand(c, "three", "one", "two")
expectSuccess(output, err, t)
}
func TestExactValidArgsWithInvalidCount(t *testing.T) {
c := getCommand(ExactValidArgs(2), false)
func TestExactArgs_WithInvalidCount_WithValid(t *testing.T) {
c := getCommand(ExactArgs(2), true)
_, err := executeCommand(c, "three", "one", "two")
exactArgsWithInvalidCount(err, t)
}
func TestExactValidArgsWithInvalidArgs(t *testing.T) {
c := getCommand(ExactValidArgs(3), true)
func TestExactArgs_WithInvalidCount_WithValid_WithInvalidArgs(t *testing.T) {
c := getCommand(ExactArgs(2), true)
_, err := executeCommand(c, "three", "a", "two")
validWithInvalidArgs(err, t)
exactArgsWithInvalidCount(err, t)
}
func TestExactArgs_WithInvalidCount_WithValidOnly_WithInvalidArgs(t *testing.T) {
c := getCommand(MatchAll(OnlyValidArgs, ExactArgs(2)), true)
_, err := executeCommand(c, "three", "a", "two")
validOnlyWithInvalidArgs(err, t)
}
// RangeArgs
func TestRangeArgs(t *testing.T) {
c := getCommand(RangeArgs(2, 4), false)
output, err := executeCommand(c, "a", "b", "c")
expectSuccess(output, err, t)
}
func TestRangeArgsWithInvalidCount(t *testing.T) {
func TestRangeArgs_WithValid(t *testing.T) {
c := getCommand(RangeArgs(2, 4), true)
output, err := executeCommand(c, "three", "one", "two")
expectSuccess(output, err, t)
}
func TestRangeArgs_WithValid_WithInvalidArgs(t *testing.T) {
c := getCommand(RangeArgs(2, 4), true)
output, err := executeCommand(c, "three", "a", "two")
expectSuccess(output, err, t)
}
func TestRangeArgs_WithValidOnly_WithInvalidArgs(t *testing.T) {
c := getCommand(MatchAll(OnlyValidArgs, RangeArgs(2, 4)), true)
_, err := executeCommand(c, "three", "a", "two")
validOnlyWithInvalidArgs(err, t)
}
func TestRangeArgs_WithInvalidCount(t *testing.T) {
c := getCommand(RangeArgs(2, 4), false)
_, err := executeCommand(c, "a")
rangeArgsWithInvalidCount(err, t)
}
func TestRangeArgs_WithInvalidCount_WithValid(t *testing.T) {
c := getCommand(RangeArgs(2, 4), true)
_, err := executeCommand(c, "two")
rangeArgsWithInvalidCount(err, t)
}
func TestRangeArgs_WithInvalidCount_WithValid_WithInvalidArgs(t *testing.T) {
c := getCommand(RangeArgs(2, 4), true)
_, err := executeCommand(c, "a")
rangeArgsWithInvalidCount(err, t)
}
func TestRangeArgs_WithInvalidCount_WithValidOnly_WithInvalidArgs(t *testing.T) {
c := getCommand(MatchAll(OnlyValidArgs, RangeArgs(2, 4)), true)
_, err := executeCommand(c, "a")
validOnlyWithInvalidArgs(err, t)
}
// Takes(No)Args
func TestRootTakesNoArgs(t *testing.T) {
rootCmd := &Command{Use: "root", Run: emptyRun}
childCmd := &Command{Use: "child", Run: emptyRun}
@ -292,3 +484,58 @@ func TestMatchAll(t *testing.T) {
})
}
}
// DEPRECATED
func TestExactValidArgs(t *testing.T) {
c := getCommand(ExactValidArgs(3), true)
output, err := executeCommand(c, "three", "one", "two")
expectSuccess(output, err, t)
}
func TestExactValidArgs_WithInvalidCount(t *testing.T) {
c := getCommand(ExactValidArgs(2), false)
_, err := executeCommand(c, "three", "one", "two")
exactArgsWithInvalidCount(err, t)
}
func TestExactValidArgs_WithInvalidCount_WithInvalidArgs(t *testing.T) {
c := getCommand(ExactValidArgs(2), true)
_, err := executeCommand(c, "three", "a", "two")
exactArgsWithInvalidCount(err, t)
}
func TestExactValidArgs_WithInvalidArgs(t *testing.T) {
c := getCommand(ExactValidArgs(2), true)
_, err := executeCommand(c, "three", "a")
validOnlyWithInvalidArgs(err, t)
}
// This test make sure we keep backwards-compatibility with respect
// to the legacyArgs() function.
// It makes sure the root command accepts arguments if it does not have
// sub-commands.
func TestLegacyArgsRootAcceptsArgs(t *testing.T) {
rootCmd := &Command{Use: "root", Args: nil, Run: emptyRun}
_, err := executeCommand(rootCmd, "somearg")
if err != nil {
t.Fatalf("Unexpected error: %v", err)
}
}
// This test make sure we keep backwards-compatibility with respect
// to the legacyArgs() function.
// It makes sure a sub-command accepts arguments and further sub-commands
func TestLegacyArgsSubcmdAcceptsArgs(t *testing.T) {
rootCmd := &Command{Use: "root", Args: nil, Run: emptyRun}
childCmd := &Command{Use: "child", Args: nil, Run: emptyRun}
grandchildCmd := &Command{Use: "grandchild", Args: nil, Run: emptyRun}
rootCmd.AddCommand(childCmd)
childCmd.AddCommand(grandchildCmd)
_, err := executeCommand(rootCmd, "child", "somearg")
if err != nil {
t.Fatalf("Unexpected error: %v", err)
}
}

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@ -1,3 +1,17 @@
// Copyright 2013-2023 The Cobra Authors
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package cobra
import (
@ -71,9 +85,10 @@ __%[1]s_handle_go_custom_completion()
local out requestComp lastParam lastChar comp directive args
# Prepare the command to request completions for the program.
# Calling ${words[0]} instead of directly %[1]s allows to handle aliases
# Calling ${words[0]} instead of directly %[1]s allows handling aliases
args=("${words[@]:1}")
requestComp="${words[0]} %[2]s ${args[*]}"
# Disable ActiveHelp which is not supported for bash completion v1
requestComp="%[8]s=0 ${words[0]} %[2]s ${args[*]}"
lastParam=${words[$((${#words[@]}-1))]}
lastChar=${lastParam:$((${#lastParam}-1)):1}
@ -99,7 +114,7 @@ __%[1]s_handle_go_custom_completion()
directive=0
fi
__%[1]s_debug "${FUNCNAME[0]}: the completion directive is: ${directive}"
__%[1]s_debug "${FUNCNAME[0]}: the completions are: ${out[*]}"
__%[1]s_debug "${FUNCNAME[0]}: the completions are: ${out}"
if [ $((directive & shellCompDirectiveError)) -ne 0 ]; then
# Error code. No completion.
@ -125,7 +140,7 @@ __%[1]s_handle_go_custom_completion()
local fullFilter filter filteringCmd
# Do not use quotes around the $out variable or else newline
# characters will be kept.
for filter in ${out[*]}; do
for filter in ${out}; do
fullFilter+="$filter|"
done
@ -136,7 +151,7 @@ __%[1]s_handle_go_custom_completion()
# File completion for directories only
local subdir
# Use printf to strip any trailing newline
subdir=$(printf "%%s" "${out[0]}")
subdir=$(printf "%%s" "${out}")
if [ -n "$subdir" ]; then
__%[1]s_debug "Listing directories in $subdir"
__%[1]s_handle_subdirs_in_dir_flag "$subdir"
@ -147,7 +162,7 @@ __%[1]s_handle_go_custom_completion()
else
while IFS='' read -r comp; do
COMPREPLY+=("$comp")
done < <(compgen -W "${out[*]}" -- "$cur")
done < <(compgen -W "${out}" -- "$cur")
fi
}
@ -383,11 +398,11 @@ __%[1]s_handle_word()
`, name, ShellCompNoDescRequestCmd,
ShellCompDirectiveError, ShellCompDirectiveNoSpace, ShellCompDirectiveNoFileComp,
ShellCompDirectiveFilterFileExt, ShellCompDirectiveFilterDirs))
ShellCompDirectiveFilterFileExt, ShellCompDirectiveFilterDirs, activeHelpEnvVar(name)))
}
func writePostscript(buf io.StringWriter, name string) {
name = strings.Replace(name, ":", "__", -1)
name = strings.ReplaceAll(name, ":", "__")
WriteStringAndCheck(buf, fmt.Sprintf("__start_%s()\n", name))
WriteStringAndCheck(buf, fmt.Sprintf(`{
local cur prev words cword split
@ -517,7 +532,7 @@ func writeLocalNonPersistentFlag(buf io.StringWriter, flag *pflag.Flag) {
}
}
// Setup annotations for go completions for registered flags
// prepareCustomAnnotationsForFlags setup annotations for go completions for registered flags
func prepareCustomAnnotationsForFlags(cmd *Command) {
flagCompletionMutex.RLock()
defer flagCompletionMutex.RUnlock()
@ -582,19 +597,16 @@ func writeRequiredFlag(buf io.StringWriter, cmd *Command) {
if nonCompletableFlag(flag) {
return
}
for key := range flag.Annotations {
switch key {
case BashCompOneRequiredFlag:
format := " must_have_one_flag+=(\"--%s"
if flag.Value.Type() != "bool" {
format += "="
}
format += cbn
WriteStringAndCheck(buf, fmt.Sprintf(format, flag.Name))
if _, ok := flag.Annotations[BashCompOneRequiredFlag]; ok {
format := " must_have_one_flag+=(\"--%s"
if flag.Value.Type() != "bool" {
format += "="
}
format += cbn
WriteStringAndCheck(buf, fmt.Sprintf(format, flag.Name))
if len(flag.Shorthand) > 0 {
WriteStringAndCheck(buf, fmt.Sprintf(" must_have_one_flag+=(\"-%s"+cbn, flag.Shorthand))
}
if len(flag.Shorthand) > 0 {
WriteStringAndCheck(buf, fmt.Sprintf(" must_have_one_flag+=(\"-%s"+cbn, flag.Shorthand))
}
}
})
@ -606,7 +618,7 @@ func writeRequiredNouns(buf io.StringWriter, cmd *Command) {
for _, value := range cmd.ValidArgs {
// Remove any description that may be included following a tab character.
// Descriptions are not supported by bash completion.
value = strings.Split(value, "\t")[0]
value = strings.SplitN(value, "\t", 2)[0]
WriteStringAndCheck(buf, fmt.Sprintf(" must_have_one_noun+=(%q)\n", value))
}
if cmd.ValidArgsFunction != nil {
@ -645,8 +657,8 @@ func gen(buf io.StringWriter, cmd *Command) {
gen(buf, c)
}
commandName := cmd.CommandPath()
commandName = strings.Replace(commandName, " ", "_", -1)
commandName = strings.Replace(commandName, ":", "__", -1)
commandName = strings.ReplaceAll(commandName, " ", "_")
commandName = strings.ReplaceAll(commandName, ":", "__")
if cmd.Root() == cmd {
WriteStringAndCheck(buf, fmt.Sprintf("_%s_root_command()\n{\n", commandName))

View file

@ -1,3 +1,17 @@
// Copyright 2013-2023 The Cobra Authors
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package cobra
import (
@ -24,7 +38,7 @@ func genBashComp(buf io.StringWriter, name string, includeDesc bool) {
__%[1]s_debug()
{
if [[ -n ${BASH_COMP_DEBUG_FILE:-} ]]; then
if [[ -n ${BASH_COMP_DEBUG_FILE-} ]]; then
echo "$*" >> "${BASH_COMP_DEBUG_FILE}"
fi
}
@ -43,7 +57,7 @@ __%[1]s_get_completion_results() {
local requestComp lastParam lastChar args
# Prepare the command to request completions for the program.
# Calling ${words[0]} instead of directly %[1]s allows to handle aliases
# Calling ${words[0]} instead of directly %[1]s allows handling aliases
args=("${words[@]:1}")
requestComp="${words[0]} %[2]s ${args[*]}"
@ -51,7 +65,7 @@ __%[1]s_get_completion_results() {
lastChar=${lastParam:$((${#lastParam}-1)):1}
__%[1]s_debug "lastParam ${lastParam}, lastChar ${lastChar}"
if [ -z "${cur}" ] && [ "${lastChar}" != "=" ]; then
if [[ -z ${cur} && ${lastChar} != = ]]; then
# If the last parameter is complete (there is a space following it)
# We add an extra empty parameter so we can indicate this to the go method.
__%[1]s_debug "Adding extra empty parameter"
@ -61,7 +75,7 @@ __%[1]s_get_completion_results() {
# When completing a flag with an = (e.g., %[1]s -n=<TAB>)
# bash focuses on the part after the =, so we need to remove
# the flag part from $cur
if [[ "${cur}" == -*=* ]]; then
if [[ ${cur} == -*=* ]]; then
cur="${cur#*=}"
fi
@ -73,12 +87,12 @@ __%[1]s_get_completion_results() {
directive=${out##*:}
# Remove the directive
out=${out%%:*}
if [ "${directive}" = "${out}" ]; then
if [[ ${directive} == "${out}" ]]; then
# There is not directive specified
directive=0
fi
__%[1]s_debug "The completion directive is: ${directive}"
__%[1]s_debug "The completions are: ${out[*]}"
__%[1]s_debug "The completions are: ${out}"
}
__%[1]s_process_completion_results() {
@ -87,22 +101,36 @@ __%[1]s_process_completion_results() {
local shellCompDirectiveNoFileComp=%[5]d
local shellCompDirectiveFilterFileExt=%[6]d
local shellCompDirectiveFilterDirs=%[7]d
local shellCompDirectiveKeepOrder=%[8]d
if [ $((directive & shellCompDirectiveError)) -ne 0 ]; then
if (((directive & shellCompDirectiveError) != 0)); then
# Error code. No completion.
__%[1]s_debug "Received error from custom completion go code"
return
else
if [ $((directive & shellCompDirectiveNoSpace)) -ne 0 ]; then
if [[ $(type -t compopt) = "builtin" ]]; then
if (((directive & shellCompDirectiveNoSpace) != 0)); then
if [[ $(type -t compopt) == builtin ]]; then
__%[1]s_debug "Activating no space"
compopt -o nospace
else
__%[1]s_debug "No space directive not supported in this version of bash"
fi
fi
if [ $((directive & shellCompDirectiveNoFileComp)) -ne 0 ]; then
if [[ $(type -t compopt) = "builtin" ]]; then
if (((directive & shellCompDirectiveKeepOrder) != 0)); then
if [[ $(type -t compopt) == builtin ]]; then
# no sort isn't supported for bash less than < 4.4
if [[ ${BASH_VERSINFO[0]} -lt 4 || ( ${BASH_VERSINFO[0]} -eq 4 && ${BASH_VERSINFO[1]} -lt 4 ) ]]; then
__%[1]s_debug "No sort directive not supported in this version of bash"
else
__%[1]s_debug "Activating keep order"
compopt -o nosort
fi
else
__%[1]s_debug "No sort directive not supported in this version of bash"
fi
fi
if (((directive & shellCompDirectiveNoFileComp) != 0)); then
if [[ $(type -t compopt) == builtin ]]; then
__%[1]s_debug "Activating no file completion"
compopt +o default
else
@ -111,26 +139,30 @@ __%[1]s_process_completion_results() {
fi
fi
if [ $((directive & shellCompDirectiveFilterFileExt)) -ne 0 ]; then
# Separate activeHelp from normal completions
local completions=()
local activeHelp=()
__%[1]s_extract_activeHelp
if (((directive & shellCompDirectiveFilterFileExt) != 0)); then
# File extension filtering
local fullFilter filter filteringCmd
# Do not use quotes around the $out variable or else newline
# Do not use quotes around the $completions variable or else newline
# characters will be kept.
for filter in ${out[*]}; do
for filter in ${completions[*]}; do
fullFilter+="$filter|"
done
filteringCmd="_filedir $fullFilter"
__%[1]s_debug "File filtering command: $filteringCmd"
$filteringCmd
elif [ $((directive & shellCompDirectiveFilterDirs)) -ne 0 ]; then
elif (((directive & shellCompDirectiveFilterDirs) != 0)); then
# File completion for directories only
# Use printf to strip any trailing newline
local subdir
subdir=$(printf "%%s" "${out[0]}")
if [ -n "$subdir" ]; then
subdir=${completions[0]}
if [[ -n $subdir ]]; then
__%[1]s_debug "Listing directories in $subdir"
pushd "$subdir" >/dev/null 2>&1 && _filedir -d && popd >/dev/null 2>&1 || return
else
@ -143,6 +175,43 @@ __%[1]s_process_completion_results() {
__%[1]s_handle_special_char "$cur" :
__%[1]s_handle_special_char "$cur" =
# Print the activeHelp statements before we finish
if ((${#activeHelp[*]} != 0)); then
printf "\n";
printf "%%s\n" "${activeHelp[@]}"
printf "\n"
# The prompt format is only available from bash 4.4.
# We test if it is available before using it.
if (x=${PS1@P}) 2> /dev/null; then
printf "%%s" "${PS1@P}${COMP_LINE[@]}"
else
# Can't print the prompt. Just print the
# text the user had typed, it is workable enough.
printf "%%s" "${COMP_LINE[@]}"
fi
fi
}
# Separate activeHelp lines from real completions.
# Fills the $activeHelp and $completions arrays.
__%[1]s_extract_activeHelp() {
local activeHelpMarker="%[9]s"
local endIndex=${#activeHelpMarker}
while IFS='' read -r comp; do
if [[ ${comp:0:endIndex} == $activeHelpMarker ]]; then
comp=${comp:endIndex}
__%[1]s_debug "ActiveHelp found: $comp"
if [[ -n $comp ]]; then
activeHelp+=("$comp")
fi
else
# Not an activeHelp line but a normal completion
completions+=("$comp")
fi
done <<<"${out}"
}
__%[1]s_handle_completion_types() {
@ -154,17 +223,16 @@ __%[1]s_handle_completion_types() {
# If the user requested inserting one completion at a time, or all
# completions at once on the command-line we must remove the descriptions.
# https://github.com/spf13/cobra/issues/1508
local tab comp
tab=$(printf '\t')
local tab=$'\t' comp
while IFS='' read -r comp; do
[[ -z $comp ]] && continue
# Strip any description
comp=${comp%%%%$tab*}
# Only consider the completions that match
comp=$(compgen -W "$comp" -- "$cur")
if [ -n "$comp" ]; then
if [[ $comp == "$cur"* ]]; then
COMPREPLY+=("$comp")
fi
done < <(printf "%%s\n" "${out[@]}")
done < <(printf "%%s\n" "${completions[@]}")
;;
*)
@ -175,44 +243,37 @@ __%[1]s_handle_completion_types() {
}
__%[1]s_handle_standard_completion_case() {
local tab comp
tab=$(printf '\t')
local tab=$'\t' comp
# Short circuit to optimize if we don't have descriptions
if [[ "${completions[*]}" != *$tab* ]]; then
IFS=$'\n' read -ra COMPREPLY -d '' < <(compgen -W "${completions[*]}" -- "$cur")
return 0
fi
local longest=0
local compline
# Look for the longest completion so that we can format things nicely
while IFS='' read -r comp; do
while IFS='' read -r compline; do
[[ -z $compline ]] && continue
# Strip any description before checking the length
comp=${comp%%%%$tab*}
comp=${compline%%%%$tab*}
# Only consider the completions that match
comp=$(compgen -W "$comp" -- "$cur")
[[ $comp == "$cur"* ]] || continue
COMPREPLY+=("$compline")
if ((${#comp}>longest)); then
longest=${#comp}
fi
done < <(printf "%%s\n" "${out[@]}")
local completions=()
while IFS='' read -r comp; do
if [ -z "$comp" ]; then
continue
fi
__%[1]s_debug "Original comp: $comp"
comp="$(__%[1]s_format_comp_descriptions "$comp" "$longest")"
__%[1]s_debug "Final comp: $comp"
completions+=("$comp")
done < <(printf "%%s\n" "${out[@]}")
while IFS='' read -r comp; do
COMPREPLY+=("$comp")
done < <(compgen -W "${completions[*]}" -- "$cur")
done < <(printf "%%s\n" "${completions[@]}")
# If there is a single completion left, remove the description text
if [ ${#COMPREPLY[*]} -eq 1 ]; then
if ((${#COMPREPLY[*]} == 1)); then
__%[1]s_debug "COMPREPLY[0]: ${COMPREPLY[0]}"
comp="${COMPREPLY[0]%%%% *}"
comp="${COMPREPLY[0]%%%%$tab*}"
__%[1]s_debug "Removed description from single completion, which is now: ${comp}"
COMPREPLY=()
COMPREPLY+=("$comp")
COMPREPLY[0]=$comp
else # Format the descriptions
__%[1]s_format_comp_descriptions $longest
fi
}
@ -223,53 +284,56 @@ __%[1]s_handle_special_char()
if [[ "$comp" == *${char}* && "$COMP_WORDBREAKS" == *${char}* ]]; then
local word=${comp%%"${comp##*${char}}"}
local idx=${#COMPREPLY[*]}
while [[ $((--idx)) -ge 0 ]]; do
COMPREPLY[$idx]=${COMPREPLY[$idx]#"$word"}
while ((--idx >= 0)); do
COMPREPLY[idx]=${COMPREPLY[idx]#"$word"}
done
fi
}
__%[1]s_format_comp_descriptions()
{
local tab
tab=$(printf '\t')
local comp="$1"
local longest=$2
local tab=$'\t'
local comp desc maxdesclength
local longest=$1
# Properly format the description string which follows a tab character if there is one
if [[ "$comp" == *$tab* ]]; then
desc=${comp#*$tab}
comp=${comp%%%%$tab*}
local i ci
for ci in ${!COMPREPLY[*]}; do
comp=${COMPREPLY[ci]}
# Properly format the description string which follows a tab character if there is one
if [[ "$comp" == *$tab* ]]; then
__%[1]s_debug "Original comp: $comp"
desc=${comp#*$tab}
comp=${comp%%%%$tab*}
# $COLUMNS stores the current shell width.
# Remove an extra 4 because we add 2 spaces and 2 parentheses.
maxdesclength=$(( COLUMNS - longest - 4 ))
# $COLUMNS stores the current shell width.
# Remove an extra 4 because we add 2 spaces and 2 parentheses.
maxdesclength=$(( COLUMNS - longest - 4 ))
# Make sure we can fit a description of at least 8 characters
# if we are to align the descriptions.
if [[ $maxdesclength -gt 8 ]]; then
# Add the proper number of spaces to align the descriptions
for ((i = ${#comp} ; i < longest ; i++)); do
comp+=" "
done
else
# Don't pad the descriptions so we can fit more text after the completion
maxdesclength=$(( COLUMNS - ${#comp} - 4 ))
fi
# If there is enough space for any description text,
# truncate the descriptions that are too long for the shell width
if [ $maxdesclength -gt 0 ]; then
if [ ${#desc} -gt $maxdesclength ]; then
desc=${desc:0:$(( maxdesclength - 1 ))}
desc+="…"
# Make sure we can fit a description of at least 8 characters
# if we are to align the descriptions.
if ((maxdesclength > 8)); then
# Add the proper number of spaces to align the descriptions
for ((i = ${#comp} ; i < longest ; i++)); do
comp+=" "
done
else
# Don't pad the descriptions so we can fit more text after the completion
maxdesclength=$(( COLUMNS - ${#comp} - 4 ))
fi
comp+=" ($desc)"
fi
fi
# Must use printf to escape all special characters
printf "%%q" "${comp}"
# If there is enough space for any description text,
# truncate the descriptions that are too long for the shell width
if ((maxdesclength > 0)); then
if ((${#desc} > maxdesclength)); then
desc=${desc:0:$(( maxdesclength - 1 ))}
desc+="…"
fi
comp+=" ($desc)"
fi
COMPREPLY[ci]=$comp
__%[1]s_debug "Final comp: $comp"
fi
done
}
__start_%[1]s()
@ -281,9 +345,9 @@ __start_%[1]s()
# Call _init_completion from the bash-completion package
# to prepare the arguments properly
if declare -F _init_completion >/dev/null 2>&1; then
_init_completion -n "=:" || return
_init_completion -n =: || return
else
__%[1]s_init_completion -n "=:" || return
__%[1]s_init_completion -n =: || return
fi
__%[1]s_debug
@ -310,7 +374,8 @@ fi
# ex: ts=4 sw=4 et filetype=sh
`, name, compCmd,
ShellCompDirectiveError, ShellCompDirectiveNoSpace, ShellCompDirectiveNoFileComp,
ShellCompDirectiveFilterFileExt, ShellCompDirectiveFilterDirs))
ShellCompDirectiveFilterFileExt, ShellCompDirectiveFilterDirs, ShellCompDirectiveKeepOrder,
activeHelpMarker))
}
// GenBashCompletionFileV2 generates Bash completion version 2.

View file

@ -0,0 +1,33 @@
// Copyright 2013-2023 The Cobra Authors
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package cobra
import (
"bytes"
"fmt"
"testing"
)
func TestBashCompletionV2WithActiveHelp(t *testing.T) {
c := &Command{Use: "c", Run: emptyRun}
buf := new(bytes.Buffer)
assertNoErr(t, c.GenBashCompletionV2(buf, true))
output := buf.String()
// check that active help is not being disabled
activeHelpVar := activeHelpEnvVar(c.Name())
checkOmit(t, output, fmt.Sprintf("%s=0", activeHelpVar))
}

View file

@ -1,3 +1,17 @@
// Copyright 2013-2023 The Cobra Authors
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package cobra
import (
@ -261,3 +275,15 @@ func TestBashCompletionTraverseChildren(t *testing.T) {
checkOmit(t, output, `local_nonpersistent_flags+=("--bool-flag")`)
checkOmit(t, output, `local_nonpersistent_flags+=("-b")`)
}
func TestBashCompletionNoActiveHelp(t *testing.T) {
c := &Command{Use: "c", Run: emptyRun}
buf := new(bytes.Buffer)
assertNoErr(t, c.GenBashCompletion(buf))
output := buf.String()
// check that active help is being disabled
activeHelpVar := activeHelpEnvVar(c.Name())
check(t, output, fmt.Sprintf("%s=0", activeHelpVar))
}

View file

@ -1,9 +1,10 @@
// Copyright © 2013 Steve Francia <spf@spf13.com>.
// Copyright 2013-2023 The Cobra Authors
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
// http://www.apache.org/licenses/LICENSE-2.0
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
@ -39,15 +40,30 @@ var templateFuncs = template.FuncMap{
}
var initializers []func()
var finalizers []func()
// EnablePrefixMatching allows to set automatic prefix matching. Automatic prefix matching can be a dangerous thing
const (
defaultPrefixMatching = false
defaultCommandSorting = true
defaultCaseInsensitive = false
defaultTraverseRunHooks = false
)
// EnablePrefixMatching allows setting automatic prefix matching. Automatic prefix matching can be a dangerous thing
// to automatically enable in CLI tools.
// Set this to true to enable it.
var EnablePrefixMatching = false
var EnablePrefixMatching = defaultPrefixMatching
// EnableCommandSorting controls sorting of the slice of commands, which is turned on by default.
// To disable sorting, set it to false.
var EnableCommandSorting = true
var EnableCommandSorting = defaultCommandSorting
// EnableCaseInsensitive allows case-insensitive commands names. (case sensitive by default)
var EnableCaseInsensitive = defaultCaseInsensitive
// EnableTraverseRunHooks executes persistent pre-run and post-run hooks from all parents.
// By default this is disabled, which means only the first run hook to be found is executed.
var EnableTraverseRunHooks = defaultTraverseRunHooks
// MousetrapHelpText enables an information splash screen on Windows
// if the CLI is started from explorer.exe.
@ -84,6 +100,12 @@ func OnInitialize(y ...func()) {
initializers = append(initializers, y...)
}
// OnFinalize sets the passed functions to be run when each command's
// Execute method is terminated.
func OnFinalize(y ...func()) {
finalizers = append(finalizers, y...)
}
// FIXME Gt is unused by cobra and should be removed in a version 2. It exists only for compatibility with users of cobra.
// Gt takes two types and checks whether the first type is greater than the second. In case of types Arrays, Chans,
@ -150,8 +172,8 @@ func appendIfNotPresent(s, stringToAppend string) string {
// rpad adds padding to the right of a string.
func rpad(s string, padding int) string {
template := fmt.Sprintf("%%-%ds", padding)
return fmt.Sprintf(template, s)
formattedString := fmt.Sprintf("%%-%ds", padding)
return fmt.Sprintf(formattedString, s)
}
// tmpl executes the given template text on data, writing the result to w.
@ -171,8 +193,6 @@ func ld(s, t string, ignoreCase bool) int {
d := make([][]int, len(s)+1)
for i := range d {
d[i] = make([]int, len(t)+1)
}
for i := range d {
d[i][0] = i
}
for j := range d[0] {

View file

@ -1,23 +0,0 @@
XC_OS="linux darwin"
XC_ARCH="amd64"
XC_PARALLEL="2"
BIN="../bin"
SRC=$(shell find . -name "*.go")
ifeq (, $(shell which gox))
$(warning "could not find gox in $(PATH), run: go get github.com/mitchellh/gox")
endif
.PHONY: all build
default: all
all: build
build:
gox \
-os=$(XC_OS) \
-arch=$(XC_ARCH) \
-parallel=$(XC_PARALLEL) \
-output=$(BIN)/{{.Dir}}_{{.OS}}_{{.Arch}} \
;

View file

@ -1,179 +0,0 @@
# Cobra Generator
Cobra provides its own program that will create your application and add any
commands you want. It's the easiest way to incorporate Cobra into your application.
Install the cobra generator with the command `go install github.com/spf13/cobra/cobra`.
Go will automatically install it in your `$GOPATH/bin` directory which should be in your $PATH.
Once installed you should have the `cobra` command available. Confirm by typing `cobra` at a
command line.
There are only two operations currently supported by the Cobra generator:
### cobra init
The `cobra init [app]` command will create your initial application code
for you. It is a very powerful application that will populate your program with
the right structure so you can immediately enjoy all the benefits of Cobra.
It can also apply the license you specify to your application.
With the introduction of Go modules, the Cobra generator has been simplified to
take advantage of modules. The Cobra generator works from within a Go module.
#### Initalizing a module
__If you already have a module, skip this step.__
If you want to initialize a new Go module:
1. Create a new directory
2. `cd` into that directory
3. run `go mod init <MODNAME>`
e.g.
```
cd $HOME/code
mkdir myapp
cd myapp
go mod init github.com/spf13/myapp
```
#### Initalizing an Cobra CLI application
From within a Go module run `cobra init`. This will create a new barebones project
for you to edit.
You should be able to run your new application immediately. Try it with
`go run main.go`.
You will want to open up and edit 'cmd/root.go' and provide your own description and logic.
e.g.
```
cd $HOME/code/myapp
cobra init
go run main.go
```
Cobra init can also be run from a subdirectory such as how the [cobra generator itself is organized](https://github.com/spf13/cobra).
This is useful if you want to keep your application code separate from your library code.
#### Optional flags:
You can provide it your author name with the `--author` flag.
e.g. `cobra init --author "Steve Francia spf@spf13.com"`
You can provide a license to use with `--license`
e.g. `cobra init --license apache`
Use the `--viper` flag to automatically setup [viper](https://github.com/spf13/viper)
Viper is a companion to Cobra intended to provide easy handling of environment variables and config files and seamlessly connecting them to the application flags.
### Add commands to a project
Once a cobra application is initialized you can continue to use the Cobra generator to
add additional commands to your application. The command to do this is `cobra add`.
Let's say you created an app and you wanted the following commands for it:
* app serve
* app config
* app config create
In your project directory (where your main.go file is) you would run the following:
```
cobra add serve
cobra add config
cobra add create -p 'configCmd'
```
`cobra add` supports all the same optional flags as `cobra init` does (described above).
You'll notice that this final command has a `-p` flag. This is used to assign a
parent command to the newly added command. In this case, we want to assign the
"create" command to the "config" command. All commands have a default parent of rootCmd if not specified.
By default `cobra` will append `Cmd` to the name provided and uses this name for the internal variable name. When specifying a parent, be sure to match the variable name used in the code.
*Note: Use camelCase (not snake_case/kebab-case) for command names.
Otherwise, you will encounter errors.
For example, `cobra add add-user` is incorrect, but `cobra add addUser` is valid.*
Once you have run these three commands you would have an app structure similar to
the following:
```
▾ app/
▾ cmd/
config.go
create.go
serve.go
root.go
main.go
```
At this point you can run `go run main.go` and it would run your app. `go run
main.go serve`, `go run main.go config`, `go run main.go config create` along
with `go run main.go help serve`, etc. would all work.
You now have a basic Cobra-based application up and running. Next step is to edit the files in cmd and customize them for your application.
For complete details on using the Cobra library, please read the [The Cobra User Guide](https://github.com/spf13/cobra/blob/master/user_guide.md#using-the-cobra-library).
Have fun!
### Configuring the cobra generator
The Cobra generator will be easier to use if you provide a simple configuration
file which will help you eliminate providing a bunch of repeated information in
flags over and over.
An example ~/.cobra.yaml file:
```yaml
author: Steve Francia <spf@spf13.com>
license: MIT
viper: true
```
You can also use built-in licenses. For example, **GPLv2**, **GPLv3**, **LGPL**,
**AGPL**, **MIT**, **2-Clause BSD** or **3-Clause BSD**.
You can specify no license by setting `license` to `none` or you can specify
a custom license:
```yaml
author: Steve Francia <spf@spf13.com>
year: 2020
license:
header: This file is part of CLI application foo.
text: |
{{ .copyright }}
This is my license. There are many like it, but this one is mine.
My license is my best friend. It is my life. I must master it as I must
master my life.
```
In the above custom license configuration the `copyright` line in the License
text is generated from the `author` and `year` properties. The content of the
`LICENSE` file is
```
Copyright © 2020 Steve Francia <spf@spf13.com>
This is my license. There are many like it, but this one is mine.
My license is my best friend. It is my life. I must master it as I must
master my life.
```
The `header` property is used as the license header files. No interpolation is
done. This is the example of the go file header.
```
/*
Copyright © 2020 Steve Francia <spf@spf13.com>
This file is part of CLI application foo.
*/
```

View file

@ -1,124 +0,0 @@
// Copyright © 2015 Steve Francia <spf@spf13.com>.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package cmd
import (
"fmt"
"os"
"unicode"
"github.com/spf13/cobra"
)
var (
packageName string
parentName string
addCmd = &cobra.Command{
Use: "add [command name]",
Aliases: []string{"command"},
Short: "Add a command to a Cobra Application",
Long: `Add (cobra add) will create a new command, with a license and
the appropriate structure for a Cobra-based CLI application,
and register it to its parent (default rootCmd).
If you want your command to be public, pass in the command name
with an initial uppercase letter.
Example: cobra add server -> resulting in a new cmd/server.go`,
Run: func(cmd *cobra.Command, args []string) {
if len(args) < 1 {
cobra.CheckErr(fmt.Errorf("add needs a name for the command"))
}
wd, err := os.Getwd()
cobra.CheckErr(err)
commandName := validateCmdName(args[0])
command := &Command{
CmdName: commandName,
CmdParent: parentName,
Project: &Project{
AbsolutePath: wd,
Legal: getLicense(),
Copyright: copyrightLine(),
},
}
cobra.CheckErr(command.Create())
fmt.Printf("%s created at %s\n", command.CmdName, command.AbsolutePath)
},
}
)
func init() {
addCmd.Flags().StringVarP(&packageName, "package", "t", "", "target package name (e.g. github.com/spf13/hugo)")
addCmd.Flags().StringVarP(&parentName, "parent", "p", "rootCmd", "variable name of parent command for this command")
cobra.CheckErr(addCmd.Flags().MarkDeprecated("package", "this operation has been removed."))
}
// validateCmdName returns source without any dashes and underscore.
// If there will be dash or underscore, next letter will be uppered.
// It supports only ASCII (1-byte character) strings.
// https://github.com/spf13/cobra/issues/269
func validateCmdName(source string) string {
i := 0
l := len(source)
// The output is initialized on demand, then first dash or underscore
// occurs.
var output string
for i < l {
if source[i] == '-' || source[i] == '_' {
if output == "" {
output = source[:i]
}
// If it's last rune and it's dash or underscore,
// don't add it output and break the loop.
if i == l-1 {
break
}
// If next character is dash or underscore,
// just skip the current character.
if source[i+1] == '-' || source[i+1] == '_' {
i++
continue
}
// If the current character is dash or underscore,
// upper next letter and add to output.
output += string(unicode.ToUpper(rune(source[i+1])))
// We know, what source[i] is dash or underscore and source[i+1] is
// uppered character, so make i = i+2.
i += 2
continue
}
// If the current character isn't dash or underscore,
// just add it.
if output != "" {
output += string(source[i])
}
i++
}
if output == "" {
return source // source is initially valid name.
}
return output
}

View file

@ -1,54 +0,0 @@
package cmd
import (
"fmt"
"os"
"testing"
"github.com/spf13/viper"
)
func TestGoldenAddCmd(t *testing.T) {
viper.Set("useViper", true)
viper.Set("license", "apache")
command := &Command{
CmdName: "test",
CmdParent: parentName,
Project: getProject(),
}
defer os.RemoveAll(command.AbsolutePath)
assertNoErr(t, command.Project.Create())
assertNoErr(t, command.Create())
generatedFile := fmt.Sprintf("%s/cmd/%s.go", command.AbsolutePath, command.CmdName)
goldenFile := fmt.Sprintf("testdata/%s.go.golden", command.CmdName)
err := compareFiles(generatedFile, goldenFile)
if err != nil {
t.Fatal(err)
}
}
func TestValidateCmdName(t *testing.T) {
testCases := []struct {
input string
expected string
}{
{"cmdName", "cmdName"},
{"cmd_name", "cmdName"},
{"cmd-name", "cmdName"},
{"cmd______Name", "cmdName"},
{"cmd------Name", "cmdName"},
{"cmd______name", "cmdName"},
{"cmd------name", "cmdName"},
{"cmdName-----", "cmdName"},
{"cmdname-", "cmdname"},
}
for _, testCase := range testCases {
got := validateCmdName(testCase.input)
if testCase.expected != got {
t.Errorf("Expected %q, got %q", testCase.expected, got)
}
}
}

View file

@ -1,57 +0,0 @@
package cmd
import (
"bytes"
"errors"
"fmt"
"io/ioutil"
"os/exec"
)
func init() {
// Mute commands.
addCmd.SetOut(new(bytes.Buffer))
addCmd.SetErr(new(bytes.Buffer))
initCmd.SetOut(new(bytes.Buffer))
initCmd.SetErr(new(bytes.Buffer))
}
// ensureLF converts any \r\n to \n
func ensureLF(content []byte) []byte {
return bytes.Replace(content, []byte("\r\n"), []byte("\n"), -1)
}
// compareFiles compares the content of files with pathA and pathB.
// If contents are equal, it returns nil.
// If not, it returns which files are not equal
// and diff (if system has diff command) between these files.
func compareFiles(pathA, pathB string) error {
contentA, err := ioutil.ReadFile(pathA)
if err != nil {
return err
}
contentB, err := ioutil.ReadFile(pathB)
if err != nil {
return err
}
if !bytes.Equal(ensureLF(contentA), ensureLF(contentB)) {
output := new(bytes.Buffer)
output.WriteString(fmt.Sprintf("%q and %q are not equal!\n\n", pathA, pathB))
diffPath, err := exec.LookPath("diff")
if err != nil {
// Don't execute diff if it can't be found.
return nil
}
diffCmd := exec.Command(diffPath, "-u", "--strip-trailing-cr", pathA, pathB)
diffCmd.Stdout = output
diffCmd.Stderr = output
output.WriteString("$ diff -u " + pathA + " " + pathB + "\n")
if err := diffCmd.Run(); err != nil {
output.WriteString("\n" + err.Error())
}
return errors.New(output.String())
}
return nil
}

View file

@ -1,56 +0,0 @@
// Copyright © 2015 Steve Francia <spf@spf13.com>.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package cmd
import (
"os"
"os/exec"
"path/filepath"
"strings"
"github.com/spf13/cobra"
)
var srcPaths []string
func init() {
// Initialize srcPaths.
envGoPath := os.Getenv("GOPATH")
goPaths := filepath.SplitList(envGoPath)
if len(goPaths) == 0 {
// Adapted from https://github.com/Masterminds/glide/pull/798/files.
// As of Go 1.8 the GOPATH is no longer required to be set. Instead there
// is a default value. If there is no GOPATH check for the default value.
// Note, checking the GOPATH first to avoid invoking the go toolchain if
// possible.
goExecutable := os.Getenv("COBRA_GO_EXECUTABLE")
if len(goExecutable) <= 0 {
goExecutable = "go"
}
out, err := exec.Command(goExecutable, "env", "GOPATH").Output()
cobra.CheckErr(err)
toolchainGoPath := strings.TrimSpace(string(out))
goPaths = filepath.SplitList(toolchainGoPath)
if len(goPaths) == 0 {
cobra.CheckErr("$GOPATH is not set")
}
}
srcPaths = make([]string, 0, len(goPaths))
for _, goPath := range goPaths {
srcPaths = append(srcPaths, filepath.Join(goPath, "src"))
}
}

View file

@ -1,9 +0,0 @@
package cmd
import "testing"
func assertNoErr(t *testing.T, e error) {
if e != nil {
t.Error(e)
}
}

View file

@ -1,128 +0,0 @@
// Copyright © 2021 Steve Francia <spf@spf13.com>.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package cmd
import (
"encoding/json"
"fmt"
"os"
"os/exec"
"path"
"path/filepath"
"strings"
"github.com/spf13/cobra"
"github.com/spf13/viper"
)
var (
initCmd = &cobra.Command{
Use: "init [path]",
Aliases: []string{"initialize", "initialise", "create"},
Short: "Initialize a Cobra Application",
Long: `Initialize (cobra init) will create a new application, with a license
and the appropriate structure for a Cobra-based CLI application.
Cobra init must be run inside of a go module (please run "go mod init <MODNAME>" first)
`,
Run: func(_ *cobra.Command, args []string) {
projectPath, err := initializeProject(args)
cobra.CheckErr(err)
cobra.CheckErr(goGet("github.com/spf13/cobra"))
if viper.GetBool("useViper") {
cobra.CheckErr(goGet("github.com/spf13/viper"))
}
fmt.Printf("Your Cobra application is ready at\n%s\n", projectPath)
},
}
)
func initializeProject(args []string) (string, error) {
wd, err := os.Getwd()
if err != nil {
return "", err
}
if len(args) > 0 {
if args[0] != "." {
wd = fmt.Sprintf("%s/%s", wd, args[0])
}
}
modName := getModImportPath()
project := &Project{
AbsolutePath: wd,
PkgName: modName,
Legal: getLicense(),
Copyright: copyrightLine(),
Viper: viper.GetBool("useViper"),
AppName: path.Base(modName),
}
if err := project.Create(); err != nil {
return "", err
}
return project.AbsolutePath, nil
}
func getModImportPath() string {
mod, cd := parseModInfo()
return path.Join(mod.Path, fileToURL(strings.TrimPrefix(cd.Dir, mod.Dir)))
}
func fileToURL(in string) string {
i := strings.Split(in, string(filepath.Separator))
return path.Join(i...)
}
func parseModInfo() (Mod, CurDir) {
var mod Mod
var dir CurDir
m := modInfoJSON("-m")
cobra.CheckErr(json.Unmarshal(m, &mod))
// Unsure why, but if no module is present Path is set to this string.
if mod.Path == "command-line-arguments" {
cobra.CheckErr("Please run `go mod init <MODNAME>` before `cobra init`")
}
e := modInfoJSON("-e")
cobra.CheckErr(json.Unmarshal(e, &dir))
return mod, dir
}
type Mod struct {
Path, Dir, GoMod string
}
type CurDir struct {
Dir string
}
func goGet(mod string) error {
return exec.Command("go", "get", mod).Run()
}
func modInfoJSON(args ...string) []byte {
cmdArgs := append([]string{"list", "-json"}, args...)
out, err := exec.Command("go", cmdArgs...).Output()
cobra.CheckErr(err)
return out
}

View file

@ -1,82 +0,0 @@
package cmd
import (
"fmt"
"io/ioutil"
"os"
"path/filepath"
"testing"
"github.com/spf13/viper"
)
func getProject() *Project {
wd, _ := os.Getwd()
return &Project{
AbsolutePath: fmt.Sprintf("%s/testproject", wd),
Legal: getLicense(),
Copyright: copyrightLine(),
AppName: "cmd",
PkgName: "github.com/spf13/cobra/cobra/cmd/cmd",
Viper: true,
}
}
func TestGoldenInitCmd(t *testing.T) {
dir, err := ioutil.TempDir("", "cobra-init")
if err != nil {
t.Fatal(err)
}
defer os.RemoveAll(dir)
tests := []struct {
name string
args []string
pkgName string
expectErr bool
}{
{
name: "successfully creates a project based on module",
args: []string{"testproject"},
pkgName: "github.com/spf13/testproject",
expectErr: false,
},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
viper.Set("useViper", true)
viper.Set("license", "apache")
projectPath, err := initializeProject(tt.args)
defer func() {
if projectPath != "" {
os.RemoveAll(projectPath)
}
}()
if !tt.expectErr && err != nil {
t.Fatalf("did not expect an error, got %s", err)
}
if tt.expectErr {
if err == nil {
t.Fatal("expected an error but got none")
} else {
// got an expected error nothing more to do
return
}
}
expectedFiles := []string{"LICENSE", "main.go", "cmd/root.go"}
for _, f := range expectedFiles {
generatedFile := fmt.Sprintf("%s/%s", projectPath, f)
goldenFile := fmt.Sprintf("testdata/%s.golden", filepath.Base(f))
err := compareFiles(generatedFile, goldenFile)
if err != nil {
t.Fatal(err)
}
}
})
}
}

View file

@ -1,683 +0,0 @@
package cmd
func initAgpl() {
Licenses["agpl"] = License{
Name: "GNU Affero General Public License",
PossibleMatches: []string{"AGPL-3.0", "agpl", "affero gpl", "gnu agpl"},
Header: `
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU Affero General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU Affero General Public License for more details.
You should have received a copy of the GNU Affero General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.`,
Text: ` GNU AFFERO GENERAL PUBLIC LICENSE
Version 3, 19 November 2007
Copyright (C) 2007 Free Software Foundation, Inc. <http://fsf.org/>
Everyone is permitted to copy and distribute verbatim copies
of this license document, but changing it is not allowed.
Preamble
The GNU Affero General Public License is a free, copyleft license for
software and other kinds of works, specifically designed to ensure
cooperation with the community in the case of network server software.
The licenses for most software and other practical works are designed
to take away your freedom to share and change the works. By contrast,
our General Public Licenses are intended to guarantee your freedom to
share and change all versions of a program--to make sure it remains free
software for all its users.
When we speak of free software, we are referring to freedom, not
price. Our General Public Licenses are designed to make sure that you
have the freedom to distribute copies of free software (and charge for
them if you wish), that you receive source code or can get it if you
want it, that you can change the software or use pieces of it in new
free programs, and that you know you can do these things.
Developers that use our General Public Licenses protect your rights
with two steps: (1) assert copyright on the software, and (2) offer
you this License which gives you legal permission to copy, distribute
and/or modify the software.
A secondary benefit of defending all users' freedom is that
improvements made in alternate versions of the program, if they
receive widespread use, become available for other developers to
incorporate. Many developers of free software are heartened and
encouraged by the resulting cooperation. However, in the case of
software used on network servers, this result may fail to come about.
The GNU General Public License permits making a modified version and
letting the public access it on a server without ever releasing its
source code to the public.
The GNU Affero General Public License is designed specifically to
ensure that, in such cases, the modified source code becomes available
to the community. It requires the operator of a network server to
provide the source code of the modified version running there to the
users of that server. Therefore, public use of a modified version, on
a publicly accessible server, gives the public access to the source
code of the modified version.
An older license, called the Affero General Public License and
published by Affero, was designed to accomplish similar goals. This is
a different license, not a version of the Affero GPL, but Affero has
released a new version of the Affero GPL which permits relicensing under
this license.
The precise terms and conditions for copying, distribution and
modification follow.
TERMS AND CONDITIONS
0. Definitions.
"This License" refers to version 3 of the GNU Affero General Public License.
"Copyright" also means copyright-like laws that apply to other kinds of
works, such as semiconductor masks.
"The Program" refers to any copyrightable work licensed under this
License. Each licensee is addressed as "you". "Licensees" and
"recipients" may be individuals or organizations.
To "modify" a work means to copy from or adapt all or part of the work
in a fashion requiring copyright permission, other than the making of an
exact copy. The resulting work is called a "modified version" of the
earlier work or a work "based on" the earlier work.
A "covered work" means either the unmodified Program or a work based
on the Program.
To "propagate" a work means to do anything with it that, without
permission, would make you directly or secondarily liable for
infringement under applicable copyright law, except executing it on a
computer or modifying a private copy. Propagation includes copying,
distribution (with or without modification), making available to the
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parties to make or receive copies. Mere interaction with a user through
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An interactive user interface displays "Appropriate Legal Notices"
to the extent that it includes a convenient and prominently visible
feature that (1) displays an appropriate copyright notice, and (2)
tells the user that there is no warranty for the work (except to the
extent that warranties are provided), that licensees may convey the
work under this License, and how to view a copy of this License. If
the interface presents a list of user commands or options, such as a
menu, a prominent item in the list meets this criterion.
1. Source Code.
The "source code" for a work means the preferred form of the work
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The "Corresponding Source" for a work in object code form means all
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The Corresponding Source need not include anything that users
can regenerate automatically from other parts of the Corresponding
Source.
The Corresponding Source for a work in source code form is that
same work.
2. Basic Permissions.
All rights granted under this License are granted for the term of
copyright on the Program, and are irrevocable provided the stated
conditions are met. This License explicitly affirms your unlimited
permission to run the unmodified Program. The output from running a
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rights of fair use or other equivalent, as provided by copyright law.
You may make, run and propagate covered works that you do not
convey, without conditions so long as your license otherwise remains
in force. You may convey covered works to others for the sole purpose
of having them make modifications exclusively for you, or provide you
with facilities for running those works, provided that you comply with
the terms of this License in conveying all material for which you do
not control copyright. Those thus making or running the covered works
for you must do so exclusively on your behalf, under your direction
and control, on terms that prohibit them from making any copies of
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Conveying under any other circumstances is permitted solely under
the conditions stated below. Sublicensing is not allowed; section 10
makes it unnecessary.
3. Protecting Users' Legal Rights From Anti-Circumvention Law.
No covered work shall be deemed part of an effective technological
measure under any applicable law fulfilling obligations under article
11 of the WIPO copyright treaty adopted on 20 December 1996, or
similar laws prohibiting or restricting circumvention of such
measures.
When you convey a covered work, you waive any legal power to forbid
circumvention of technological measures to the extent such circumvention
is effected by exercising rights under this License with respect to
the covered work, and you disclaim any intention to limit operation or
modification of the work as a means of enforcing, against the work's
users, your or third parties' legal rights to forbid circumvention of
technological measures.
4. Conveying Verbatim Copies.
You may convey verbatim copies of the Program's source code as you
receive it, in any medium, provided that you conspicuously and
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keep intact all notices stating that this License and any
non-permissive terms added in accord with section 7 apply to the code;
keep intact all notices of the absence of any warranty; and give all
recipients a copy of this License along with the Program.
You may charge any price or no price for each copy that you convey,
and you may offer support or warranty protection for a fee.
5. Conveying Modified Source Versions.
You may convey a work based on the Program, or the modifications to
produce it from the Program, in the form of source code under the
terms of section 4, provided that you also meet all of these conditions:
a) The work must carry prominent notices stating that you modified
it, and giving a relevant date.
b) The work must carry prominent notices stating that it is
released under this License and any conditions added under section
7. This requirement modifies the requirement in section 4 to
"keep intact all notices".
c) You must license the entire work, as a whole, under this
License to anyone who comes into possession of a copy. This
License will therefore apply, along with any applicable section 7
additional terms, to the whole of the work, and all its parts,
regardless of how they are packaged. This License gives no
permission to license the work in any other way, but it does not
invalidate such permission if you have separately received it.
d) If the work has interactive user interfaces, each must display
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work need not make them do so.
A compilation of a covered work with other separate and independent
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in or on a volume of a storage or distribution medium, is called an
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used to limit the access or legal rights of the compilation's users
beyond what the individual works permit. Inclusion of a covered work
in an aggregate does not cause this License to apply to the other
parts of the aggregate.
6. Conveying Non-Source Forms.
You may convey a covered work in object code form under the terms
of sections 4 and 5, provided that you also convey the
machine-readable Corresponding Source under the terms of this License,
in one of these ways:
a) Convey the object code in, or embodied in, a physical product
(including a physical distribution medium), accompanied by the
Corresponding Source fixed on a durable physical medium
customarily used for software interchange.
b) Convey the object code in, or embodied in, a physical product
(including a physical distribution medium), accompanied by a
written offer, valid for at least three years and valid for as
long as you offer spare parts or customer support for that product
model, to give anyone who possesses the object code either (1) a
copy of the Corresponding Source for all the software in the
product that is covered by this License, on a durable physical
medium customarily used for software interchange, for a price no
more than your reasonable cost of physically performing this
conveying of source, or (2) access to copy the
Corresponding Source from a network server at no charge.
c) Convey individual copies of the object code with a copy of the
written offer to provide the Corresponding Source. This
alternative is allowed only occasionally and noncommercially, and
only if you received the object code with such an offer, in accord
with subsection 6b.
d) Convey the object code by offering access from a designated
place (gratis or for a charge), and offer equivalent access to the
Corresponding Source in the same way through the same place at no
further charge. You need not require recipients to copy the
Corresponding Source along with the object code. If the place to
copy the object code is a network server, the Corresponding Source
may be on a different server (operated by you or a third party)
that supports equivalent copying facilities, provided you maintain
clear directions next to the object code saying where to find the
Corresponding Source. Regardless of what server hosts the
Corresponding Source, you remain obligated to ensure that it is
available for as long as needed to satisfy these requirements.
e) Convey the object code using peer-to-peer transmission, provided
you inform other peers where the object code and Corresponding
Source of the work are being offered to the general public at no
charge under subsection 6d.
A separable portion of the object code, whose source code is excluded
from the Corresponding Source as a System Library, need not be
included in conveying the object code work.
A "User Product" is either (1) a "consumer product", which means any
tangible personal property which is normally used for personal, family,
or household purposes, or (2) anything designed or sold for incorporation
into a dwelling. In determining whether a product is a consumer product,
doubtful cases shall be resolved in favor of coverage. For a particular
product received by a particular user, "normally used" refers to a
typical or common use of that class of product, regardless of the status
of the particular user or of the way in which the particular user
actually uses, or expects or is expected to use, the product. A product
is a consumer product regardless of whether the product has substantial
commercial, industrial or non-consumer uses, unless such uses represent
the only significant mode of use of the product.
"Installation Information" for a User Product means any methods,
procedures, authorization keys, or other information required to install
and execute modified versions of a covered work in that User Product from
a modified version of its Corresponding Source. The information must
suffice to ensure that the continued functioning of the modified object
code is in no case prevented or interfered with solely because
modification has been made.
If you convey an object code work under this section in, or with, or
specifically for use in, a User Product, and the conveying occurs as
part of a transaction in which the right of possession and use of the
User Product is transferred to the recipient in perpetuity or for a
fixed term (regardless of how the transaction is characterized), the
Corresponding Source conveyed under this section must be accompanied
by the Installation Information. But this requirement does not apply
if neither you nor any third party retains the ability to install
modified object code on the User Product (for example, the work has
been installed in ROM).
The requirement to provide Installation Information does not include a
requirement to continue to provide support service, warranty, or updates
for a work that has been modified or installed by the recipient, or for
the User Product in which it has been modified or installed. Access to a
network may be denied when the modification itself materially and
adversely affects the operation of the network or violates the rules and
protocols for communication across the network.
Corresponding Source conveyed, and Installation Information provided,
in accord with this section must be in a format that is publicly
documented (and with an implementation available to the public in
source code form), and must require no special password or key for
unpacking, reading or copying.
7. Additional Terms.
"Additional permissions" are terms that supplement the terms of this
License by making exceptions from one or more of its conditions.
Additional permissions that are applicable to the entire Program shall
be treated as though they were included in this License, to the extent
that they are valid under applicable law. If additional permissions
apply only to part of the Program, that part may be used separately
under those permissions, but the entire Program remains governed by
this License without regard to the additional permissions.
When you convey a copy of a covered work, you may at your option
remove any additional permissions from that copy, or from any part of
it. (Additional permissions may be written to require their own
removal in certain cases when you modify the work.) You may place
additional permissions on material, added by you to a covered work,
for which you have or can give appropriate copyright permission.
Notwithstanding any other provision of this License, for material you
add to a covered work, you may (if authorized by the copyright holders of
that material) supplement the terms of this License with terms:
a) Disclaiming warranty or limiting liability differently from the
terms of sections 15 and 16 of this License; or
b) Requiring preservation of specified reasonable legal notices or
author attributions in that material or in the Appropriate Legal
Notices displayed by works containing it; or
c) Prohibiting misrepresentation of the origin of that material, or
requiring that modified versions of such material be marked in
reasonable ways as different from the original version; or
d) Limiting the use for publicity purposes of names of licensors or
authors of the material; or
e) Declining to grant rights under trademark law for use of some
trade names, trademarks, or service marks; or
f) Requiring indemnification of licensors and authors of that
material by anyone who conveys the material (or modified versions of
it) with contractual assumptions of liability to the recipient, for
any liability that these contractual assumptions directly impose on
those licensors and authors.
All other non-permissive additional terms are considered "further
restrictions" within the meaning of section 10. If the Program as you
received it, or any part of it, contains a notice stating that it is
governed by this License along with a term that is a further
restriction, you may remove that term. If a license document contains
a further restriction but permits relicensing or conveying under this
License, you may add to a covered work material governed by the terms
of that license document, provided that the further restriction does
not survive such relicensing or conveying.
If you add terms to a covered work in accord with this section, you
must place, in the relevant source files, a statement of the
additional terms that apply to those files, or a notice indicating
where to find the applicable terms.
Additional terms, permissive or non-permissive, may be stated in the
form of a separately written license, or stated as exceptions;
the above requirements apply either way.
8. Termination.
You may not propagate or modify a covered work except as expressly
provided under this License. Any attempt otherwise to propagate or
modify it is void, and will automatically terminate your rights under
this License (including any patent licenses granted under the third
paragraph of section 11).
However, if you cease all violation of this License, then your
license from a particular copyright holder is reinstated (a)
provisionally, unless and until the copyright holder explicitly and
finally terminates your license, and (b) permanently, if the copyright
holder fails to notify you of the violation by some reasonable means
prior to 60 days after the cessation.
Moreover, your license from a particular copyright holder is
reinstated permanently if the copyright holder notifies you of the
violation by some reasonable means, this is the first time you have
received notice of violation of this License (for any work) from that
copyright holder, and you cure the violation prior to 30 days after
your receipt of the notice.
Termination of your rights under this section does not terminate the
licenses of parties who have received copies or rights from you under
this License. If your rights have been terminated and not permanently
reinstated, you do not qualify to receive new licenses for the same
material under section 10.
9. Acceptance Not Required for Having Copies.
You are not required to accept this License in order to receive or
run a copy of the Program. Ancillary propagation of a covered work
occurring solely as a consequence of using peer-to-peer transmission
to receive a copy likewise does not require acceptance. However,
nothing other than this License grants you permission to propagate or
modify any covered work. These actions infringe copyright if you do
not accept this License. Therefore, by modifying or propagating a
covered work, you indicate your acceptance of this License to do so.
10. Automatic Licensing of Downstream Recipients.
Each time you convey a covered work, the recipient automatically
receives a license from the original licensors, to run, modify and
propagate that work, subject to this License. You are not responsible
for enforcing compliance by third parties with this License.
An "entity transaction" is a transaction transferring control of an
organization, or substantially all assets of one, or subdividing an
organization, or merging organizations. If propagation of a covered
work results from an entity transaction, each party to that
transaction who receives a copy of the work also receives whatever
licenses to the work the party's predecessor in interest had or could
give under the previous paragraph, plus a right to possession of the
Corresponding Source of the work from the predecessor in interest, if
the predecessor has it or can get it with reasonable efforts.
You may not impose any further restrictions on the exercise of the
rights granted or affirmed under this License. For example, you may
not impose a license fee, royalty, or other charge for exercise of
rights granted under this License, and you may not initiate litigation
(including a cross-claim or counterclaim in a lawsuit) alleging that
any patent claim is infringed by making, using, selling, offering for
sale, or importing the Program or any portion of it.
11. Patents.
A "contributor" is a copyright holder who authorizes use under this
License of the Program or a work on which the Program is based. The
work thus licensed is called the contributor's "contributor version".
A contributor's "essential patent claims" are all patent claims
owned or controlled by the contributor, whether already acquired or
hereafter acquired, that would be infringed by some manner, permitted
by this License, of making, using, or selling its contributor version,
but do not include claims that would be infringed only as a
consequence of further modification of the contributor version. For
purposes of this definition, "control" includes the right to grant
patent sublicenses in a manner consistent with the requirements of
this License.
Each contributor grants you a non-exclusive, worldwide, royalty-free
patent license under the contributor's essential patent claims, to
make, use, sell, offer for sale, import and otherwise run, modify and
propagate the contents of its contributor version.
In the following three paragraphs, a "patent license" is any express
agreement or commitment, however denominated, not to enforce a patent
(such as an express permission to practice a patent or covenant not to
sue for patent infringement). To "grant" such a patent license to a
party means to make such an agreement or commitment not to enforce a
patent against the party.
If you convey a covered work, knowingly relying on a patent license,
and the Corresponding Source of the work is not available for anyone
to copy, free of charge and under the terms of this License, through a
publicly available network server or other readily accessible means,
then you must either (1) cause the Corresponding Source to be so
available, or (2) arrange to deprive yourself of the benefit of the
patent license for this particular work, or (3) arrange, in a manner
consistent with the requirements of this License, to extend the patent
license to downstream recipients. "Knowingly relying" means you have
actual knowledge that, but for the patent license, your conveying the
covered work in a country, or your recipient's use of the covered work
in a country, would infringe one or more identifiable patents in that
country that you have reason to believe are valid.
If, pursuant to or in connection with a single transaction or
arrangement, you convey, or propagate by procuring conveyance of, a
covered work, and grant a patent license to some of the parties
receiving the covered work authorizing them to use, propagate, modify
or convey a specific copy of the covered work, then the patent license
you grant is automatically extended to all recipients of the covered
work and works based on it.
A patent license is "discriminatory" if it does not include within
the scope of its coverage, prohibits the exercise of, or is
conditioned on the non-exercise of one or more of the rights that are
specifically granted under this License. You may not convey a covered
work if you are a party to an arrangement with a third party that is
in the business of distributing software, under which you make payment
to the third party based on the extent of your activity of conveying
the work, and under which the third party grants, to any of the
parties who would receive the covered work from you, a discriminatory
patent license (a) in connection with copies of the covered work
conveyed by you (or copies made from those copies), or (b) primarily
for and in connection with specific products or compilations that
contain the covered work, unless you entered into that arrangement,
or that patent license was granted, prior to 28 March 2007.
Nothing in this License shall be construed as excluding or limiting
any implied license or other defenses to infringement that may
otherwise be available to you under applicable patent law.
12. No Surrender of Others' Freedom.
If conditions are imposed on you (whether by court order, agreement or
otherwise) that contradict the conditions of this License, they do not
excuse you from the conditions of this License. If you cannot convey a
covered work so as to satisfy simultaneously your obligations under this
License and any other pertinent obligations, then as a consequence you may
not convey it at all. For example, if you agree to terms that obligate you
to collect a royalty for further conveying from those to whom you convey
the Program, the only way you could satisfy both those terms and this
License would be to refrain entirely from conveying the Program.
13. Remote Network Interaction; Use with the GNU General Public License.
Notwithstanding any other provision of this License, if you modify the
Program, your modified version must prominently offer all users
interacting with it remotely through a computer network (if your version
supports such interaction) an opportunity to receive the Corresponding
Source of your version by providing access to the Corresponding Source
from a network server at no charge, through some standard or customary
means of facilitating copying of software. This Corresponding Source
shall include the Corresponding Source for any work covered by version 3
of the GNU General Public License that is incorporated pursuant to the
following paragraph.
Notwithstanding any other provision of this License, you have
permission to link or combine any covered work with a work licensed
under version 3 of the GNU General Public License into a single
combined work, and to convey the resulting work. The terms of this
License will continue to apply to the part which is the covered work,
but the work with which it is combined will remain governed by version
3 of the GNU General Public License.
14. Revised Versions of this License.
The Free Software Foundation may publish revised and/or new versions of
the GNU Affero General Public License from time to time. Such new versions
will be similar in spirit to the present version, but may differ in detail to
address new problems or concerns.
Each version is given a distinguishing version number. If the
Program specifies that a certain numbered version of the GNU Affero General
Public License "or any later version" applies to it, you have the
option of following the terms and conditions either of that numbered
version or of any later version published by the Free Software
Foundation. If the Program does not specify a version number of the
GNU Affero General Public License, you may choose any version ever published
by the Free Software Foundation.
If the Program specifies that a proxy can decide which future
versions of the GNU Affero General Public License can be used, that proxy's
public statement of acceptance of a version permanently authorizes you
to choose that version for the Program.
Later license versions may give you additional or different
permissions. However, no additional obligations are imposed on any
author or copyright holder as a result of your choosing to follow a
later version.
15. Disclaimer of Warranty.
THERE IS NO WARRANTY FOR THE PROGRAM, TO THE EXTENT PERMITTED BY
APPLICABLE LAW. EXCEPT WHEN OTHERWISE STATED IN WRITING THE COPYRIGHT
HOLDERS AND/OR OTHER PARTIES PROVIDE THE PROGRAM "AS IS" WITHOUT WARRANTY
OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING, BUT NOT LIMITED TO,
THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
PURPOSE. THE ENTIRE RISK AS TO THE QUALITY AND PERFORMANCE OF THE PROGRAM
IS WITH YOU. SHOULD THE PROGRAM PROVE DEFECTIVE, YOU ASSUME THE COST OF
ALL NECESSARY SERVICING, REPAIR OR CORRECTION.
16. Limitation of Liability.
IN NO EVENT UNLESS REQUIRED BY APPLICABLE LAW OR AGREED TO IN WRITING
WILL ANY COPYRIGHT HOLDER, OR ANY OTHER PARTY WHO MODIFIES AND/OR CONVEYS
THE PROGRAM AS PERMITTED ABOVE, BE LIABLE TO YOU FOR DAMAGES, INCLUDING ANY
GENERAL, SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THE
USE OR INABILITY TO USE THE PROGRAM (INCLUDING BUT NOT LIMITED TO LOSS OF
DATA OR DATA BEING RENDERED INACCURATE OR LOSSES SUSTAINED BY YOU OR THIRD
PARTIES OR A FAILURE OF THE PROGRAM TO OPERATE WITH ANY OTHER PROGRAMS),
EVEN IF SUCH HOLDER OR OTHER PARTY HAS BEEN ADVISED OF THE POSSIBILITY OF
SUCH DAMAGES.
17. Interpretation of Sections 15 and 16.
If the disclaimer of warranty and limitation of liability provided
above cannot be given local legal effect according to their terms,
reviewing courts shall apply local law that most closely approximates
an absolute waiver of all civil liability in connection with the
Program, unless a warranty or assumption of liability accompanies a
copy of the Program in return for a fee.
END OF TERMS AND CONDITIONS
How to Apply These Terms to Your New Programs
If you develop a new program, and you want it to be of the greatest
possible use to the public, the best way to achieve this is to make it
free software which everyone can redistribute and change under these terms.
To do so, attach the following notices to the program. It is safest
to attach them to the start of each source file to most effectively
state the exclusion of warranty; and each file should have at least
the "copyright" line and a pointer to where the full notice is found.
<one line to give the program's name and a brief idea of what it does.>
Copyright (C) <year> <name of author>
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU Affero General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU Affero General Public License for more details.
You should have received a copy of the GNU Affero General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
Also add information on how to contact you by electronic and paper mail.
If your software can interact with users remotely through a computer
network, you should also make sure that it provides a way for users to
get its source. For example, if your program is a web application, its
interface could display a "Source" link that leads users to an archive
of the code. There are many ways you could offer source, and different
solutions will be better for different programs; see section 13 for the
specific requirements.
You should also get your employer (if you work as a programmer) or school,
if any, to sign a "copyright disclaimer" for the program, if necessary.
For more information on this, and how to apply and follow the GNU AGPL, see
<http://www.gnu.org/licenses/>.
`,
}
}

View file

@ -1,238 +0,0 @@
// Copyright © 2015 Steve Francia <spf@spf13.com>.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
// Parts inspired by https://github.com/ryanuber/go-license
package cmd
func initApache2() {
Licenses["apache"] = License{
Name: "Apache 2.0",
PossibleMatches: []string{"Apache-2.0", "apache", "apache20", "apache 2.0", "apache2.0", "apache-2.0"},
Header: `
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.`,
Text: `
Apache License
Version 2.0, January 2004
http://www.apache.org/licenses/
TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION
1. Definitions.
"License" shall mean the terms and conditions for use, reproduction,
and distribution as defined by Sections 1 through 9 of this document.
"Licensor" shall mean the copyright owner or entity authorized by
the copyright owner that is granting the License.
"Legal Entity" shall mean the union of the acting entity and all
other entities that control, are controlled by, or are under common
control with that entity. For the purposes of this definition,
"control" means (i) the power, direct or indirect, to cause the
direction or management of such entity, whether by contract or
otherwise, or (ii) ownership of fifty percent (50%) or more of the
outstanding shares, or (iii) beneficial ownership of such entity.
"You" (or "Your") shall mean an individual or Legal Entity
exercising permissions granted by this License.
"Source" form shall mean the preferred form for making modifications,
including but not limited to software source code, documentation
source, and configuration files.
"Object" form shall mean any form resulting from mechanical
transformation or translation of a Source form, including but
not limited to compiled object code, generated documentation,
and conversions to other media types.
"Work" shall mean the work of authorship, whether in Source or
Object form, made available under the License, as indicated by a
copyright notice that is included in or attached to the work
(an example is provided in the Appendix below).
"Derivative Works" shall mean any work, whether in Source or Object
form, that is based on (or derived from) the Work and for which the
editorial revisions, annotations, elaborations, or other modifications
represent, as a whole, an original work of authorship. For the purposes
of this License, Derivative Works shall not include works that remain
separable from, or merely link (or bind by name) to the interfaces of,
the Work and Derivative Works thereof.
"Contribution" shall mean any work of authorship, including
the original version of the Work and any modifications or additions
to that Work or Derivative Works thereof, that is intentionally
submitted to Licensor for inclusion in the Work by the copyright owner
or by an individual or Legal Entity authorized to submit on behalf of
the copyright owner. For the purposes of this definition, "submitted"
means any form of electronic, verbal, or written communication sent
to the Licensor or its representatives, including but not limited to
communication on electronic mailing lists, source code control systems,
and issue tracking systems that are managed by, or on behalf of, the
Licensor for the purpose of discussing and improving the Work, but
excluding communication that is conspicuously marked or otherwise
designated in writing by the copyright owner as "Not a Contribution."
"Contributor" shall mean Licensor and any individual or Legal Entity
on behalf of whom a Contribution has been received by Licensor and
subsequently incorporated within the Work.
2. Grant of Copyright License. Subject to the terms and conditions of
this License, each Contributor hereby grants to You a perpetual,
worldwide, non-exclusive, no-charge, royalty-free, irrevocable
copyright license to reproduce, prepare Derivative Works of,
publicly display, publicly perform, sublicense, and distribute the
Work and such Derivative Works in Source or Object form.
3. Grant of Patent License. Subject to the terms and conditions of
this License, each Contributor hereby grants to You a perpetual,
worldwide, non-exclusive, no-charge, royalty-free, irrevocable
(except as stated in this section) patent license to make, have made,
use, offer to sell, sell, import, and otherwise transfer the Work,
where such license applies only to those patent claims licensable
by such Contributor that are necessarily infringed by their
Contribution(s) alone or by combination of their Contribution(s)
with the Work to which such Contribution(s) was submitted. If You
institute patent litigation against any entity (including a
cross-claim or counterclaim in a lawsuit) alleging that the Work
or a Contribution incorporated within the Work constitutes direct
or contributory patent infringement, then any patent licenses
granted to You under this License for that Work shall terminate
as of the date such litigation is filed.
4. Redistribution. You may reproduce and distribute copies of the
Work or Derivative Works thereof in any medium, with or without
modifications, and in Source or Object form, provided that You
meet the following conditions:
(a) You must give any other recipients of the Work or
Derivative Works a copy of this License; and
(b) You must cause any modified files to carry prominent notices
stating that You changed the files; and
(c) You must retain, in the Source form of any Derivative Works
that You distribute, all copyright, patent, trademark, and
attribution notices from the Source form of the Work,
excluding those notices that do not pertain to any part of
the Derivative Works; and
(d) If the Work includes a "NOTICE" text file as part of its
distribution, then any Derivative Works that You distribute must
include a readable copy of the attribution notices contained
within such NOTICE file, excluding those notices that do not
pertain to any part of the Derivative Works, in at least one
of the following places: within a NOTICE text file distributed
as part of the Derivative Works; within the Source form or
documentation, if provided along with the Derivative Works; or,
within a display generated by the Derivative Works, if and
wherever such third-party notices normally appear. The contents
of the NOTICE file are for informational purposes only and
do not modify the License. You may add Your own attribution
notices within Derivative Works that You distribute, alongside
or as an addendum to the NOTICE text from the Work, provided
that such additional attribution notices cannot be construed
as modifying the License.
You may add Your own copyright statement to Your modifications and
may provide additional or different license terms and conditions
for use, reproduction, or distribution of Your modifications, or
for any such Derivative Works as a whole, provided Your use,
reproduction, and distribution of the Work otherwise complies with
the conditions stated in this License.
5. Submission of Contributions. Unless You explicitly state otherwise,
any Contribution intentionally submitted for inclusion in the Work
by You to the Licensor shall be under the terms and conditions of
this License, without any additional terms or conditions.
Notwithstanding the above, nothing herein shall supersede or modify
the terms of any separate license agreement you may have executed
with Licensor regarding such Contributions.
6. Trademarks. This License does not grant permission to use the trade
names, trademarks, service marks, or product names of the Licensor,
except as required for reasonable and customary use in describing the
origin of the Work and reproducing the content of the NOTICE file.
7. Disclaimer of Warranty. Unless required by applicable law or
agreed to in writing, Licensor provides the Work (and each
Contributor provides its Contributions) on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
implied, including, without limitation, any warranties or conditions
of TITLE, NON-INFRINGEMENT, MERCHANTABILITY, or FITNESS FOR A
PARTICULAR PURPOSE. You are solely responsible for determining the
appropriateness of using or redistributing the Work and assume any
risks associated with Your exercise of permissions under this License.
8. Limitation of Liability. In no event and under no legal theory,
whether in tort (including negligence), contract, or otherwise,
unless required by applicable law (such as deliberate and grossly
negligent acts) or agreed to in writing, shall any Contributor be
liable to You for damages, including any direct, indirect, special,
incidental, or consequential damages of any character arising as a
result of this License or out of the use or inability to use the
Work (including but not limited to damages for loss of goodwill,
work stoppage, computer failure or malfunction, or any and all
other commercial damages or losses), even if such Contributor
has been advised of the possibility of such damages.
9. Accepting Warranty or Additional Liability. While redistributing
the Work or Derivative Works thereof, You may choose to offer,
and charge a fee for, acceptance of support, warranty, indemnity,
or other liability obligations and/or rights consistent with this
License. However, in accepting such obligations, You may act only
on Your own behalf and on Your sole responsibility, not on behalf
of any other Contributor, and only if You agree to indemnify,
defend, and hold each Contributor harmless for any liability
incurred by, or claims asserted against, such Contributor by reason
of your accepting any such warranty or additional liability.
END OF TERMS AND CONDITIONS
APPENDIX: How to apply the Apache License to your work.
To apply the Apache License to your work, attach the following
boilerplate notice, with the fields enclosed by brackets "[]"
replaced with your own identifying information. (Don't include
the brackets!) The text should be enclosed in the appropriate
comment syntax for the file format. We also recommend that a
file or class name and description of purpose be included on the
same "printed page" as the copyright notice for easier
identification within third-party archives.
Copyright [yyyy] [name of copyright owner]
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
`,
}
}

View file

@ -1,71 +0,0 @@
// Copyright © 2015 Steve Francia <spf@spf13.com>.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
// Parts inspired by https://github.com/ryanuber/go-license
package cmd
func initBsdClause2() {
Licenses["freebsd"] = License{
Name: "Simplified BSD License",
PossibleMatches: []string{"BSD-2-Clause", "freebsd", "simpbsd", "simple bsd", "2-clause bsd",
"2 clause bsd", "simplified bsd license"},
Header: `All rights reserved.
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions are met:
1. Redistributions of source code must retain the above copyright notice,
this list of conditions and the following disclaimer.
2. Redistributions in binary form must reproduce the above copyright notice,
this list of conditions and the following disclaimer in the documentation
and/or other materials provided with the distribution.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
POSSIBILITY OF SUCH DAMAGE.`,
Text: `{{ .copyright }}
All rights reserved.
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions are met:
1. Redistributions of source code must retain the above copyright notice,
this list of conditions and the following disclaimer.
2. Redistributions in binary form must reproduce the above copyright notice,
this list of conditions and the following disclaimer in the documentation
and/or other materials provided with the distribution.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
`,
}
}

View file

@ -1,78 +0,0 @@
// Copyright © 2015 Steve Francia <spf@spf13.com>.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
// Parts inspired by https://github.com/ryanuber/go-license
package cmd
func initBsdClause3() {
Licenses["bsd"] = License{
Name: "NewBSD",
PossibleMatches: []string{"BSD-3-Clause", "bsd", "newbsd", "3 clause bsd", "3-clause bsd"},
Header: `All rights reserved.
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions are met:
1. Redistributions of source code must retain the above copyright notice,
this list of conditions and the following disclaimer.
2. Redistributions in binary form must reproduce the above copyright notice,
this list of conditions and the following disclaimer in the documentation
and/or other materials provided with the distribution.
3. Neither the name of the copyright holder nor the names of its contributors
may be used to endorse or promote products derived from this software
without specific prior written permission.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
POSSIBILITY OF SUCH DAMAGE.`,
Text: `{{ .copyright }}
All rights reserved.
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions are met:
1. Redistributions of source code must retain the above copyright notice,
this list of conditions and the following disclaimer.
2. Redistributions in binary form must reproduce the above copyright notice,
this list of conditions and the following disclaimer in the documentation
and/or other materials provided with the distribution.
3. Neither the name of the copyright holder nor the names of its contributors
may be used to endorse or promote products derived from this software
without specific prior written permission.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
`,
}
}

View file

@ -1,376 +0,0 @@
// Copyright © 2015 Steve Francia <spf@spf13.com>.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
// Parts inspired by https://github.com/ryanuber/go-license
package cmd
func initGpl2() {
Licenses["gpl2"] = License{
Name: "GNU General Public License 2.0",
PossibleMatches: []string{"GPL-2.0", "gpl2", "gnu gpl2", "gplv2"},
Header: `
This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License
as published by the Free Software Foundation; either version 2
of the License, or (at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.`,
Text: ` GNU GENERAL PUBLIC LICENSE
Version 2, June 1991
Copyright (C) 1989, 1991 Free Software Foundation, Inc.,
51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
Everyone is permitted to copy and distribute verbatim copies
of this license document, but changing it is not allowed.
Preamble
The licenses for most software are designed to take away your
freedom to share and change it. By contrast, the GNU General Public
License is intended to guarantee your freedom to share and change free
software--to make sure the software is free for all its users. This
General Public License applies to most of the Free Software
Foundation's software and to any other program whose authors commit to
using it. (Some other Free Software Foundation software is covered by
the GNU Lesser General Public License instead.) You can apply it to
your programs, too.
When we speak of free software, we are referring to freedom, not
price. Our General Public Licenses are designed to make sure that you
have the freedom to distribute copies of free software (and charge for
this service if you wish), that you receive source code or can get it
if you want it, that you can change the software or use pieces of it
in new free programs; and that you know you can do these things.
To protect your rights, we need to make restrictions that forbid
anyone to deny you these rights or to ask you to surrender the rights.
These restrictions translate to certain responsibilities for you if you
distribute copies of the software, or if you modify it.
For example, if you distribute copies of such a program, whether
gratis or for a fee, you must give the recipients all the rights that
you have. You must make sure that they, too, receive or can get the
source code. And you must show them these terms so they know their
rights.
We protect your rights with two steps: (1) copyright the software, and
(2) offer you this license which gives you legal permission to copy,
distribute and/or modify the software.
Also, for each author's protection and ours, we want to make certain
that everyone understands that there is no warranty for this free
software. If the software is modified by someone else and passed on, we
want its recipients to know that what they have is not the original, so
that any problems introduced by others will not reflect on the original
authors' reputations.
Finally, any free program is threatened constantly by software
patents. We wish to avoid the danger that redistributors of a free
program will individually obtain patent licenses, in effect making the
program proprietary. To prevent this, we have made it clear that any
patent must be licensed for everyone's free use or not licensed at all.
The precise terms and conditions for copying, distribution and
modification follow.
GNU GENERAL PUBLIC LICENSE
TERMS AND CONDITIONS FOR COPYING, DISTRIBUTION AND MODIFICATION
0. This License applies to any program or other work which contains
a notice placed by the copyright holder saying it may be distributed
under the terms of this General Public License. The "Program", below,
refers to any such program or work, and a "work based on the Program"
means either the Program or any derivative work under copyright law:
that is to say, a work containing the Program or a portion of it,
either verbatim or with modifications and/or translated into another
language. (Hereinafter, translation is included without limitation in
the term "modification".) Each licensee is addressed as "you".
Activities other than copying, distribution and modification are not
covered by this License; they are outside its scope. The act of
running the Program is not restricted, and the output from the Program
is covered only if its contents constitute a work based on the
Program (independent of having been made by running the Program).
Whether that is true depends on what the Program does.
1. You may copy and distribute verbatim copies of the Program's
source code as you receive it, in any medium, provided that you
conspicuously and appropriately publish on each copy an appropriate
copyright notice and disclaimer of warranty; keep intact all the
notices that refer to this License and to the absence of any warranty;
and give any other recipients of the Program a copy of this License
along with the Program.
You may charge a fee for the physical act of transferring a copy, and
you may at your option offer warranty protection in exchange for a fee.
2. You may modify your copy or copies of the Program or any portion
of it, thus forming a work based on the Program, and copy and
distribute such modifications or work under the terms of Section 1
above, provided that you also meet all of these conditions:
a) You must cause the modified files to carry prominent notices
stating that you changed the files and the date of any change.
b) You must cause any work that you distribute or publish, that in
whole or in part contains or is derived from the Program or any
part thereof, to be licensed as a whole at no charge to all third
parties under the terms of this License.
c) If the modified program normally reads commands interactively
when run, you must cause it, when started running for such
interactive use in the most ordinary way, to print or display an
announcement including an appropriate copyright notice and a
notice that there is no warranty (or else, saying that you provide
a warranty) and that users may redistribute the program under
these conditions, and telling the user how to view a copy of this
License. (Exception: if the Program itself is interactive but
does not normally print such an announcement, your work based on
the Program is not required to print an announcement.)
These requirements apply to the modified work as a whole. If
identifiable sections of that work are not derived from the Program,
and can be reasonably considered independent and separate works in
themselves, then this License, and its terms, do not apply to those
sections when you distribute them as separate works. But when you
distribute the same sections as part of a whole which is a work based
on the Program, the distribution of the whole must be on the terms of
this License, whose permissions for other licensees extend to the
entire whole, and thus to each and every part regardless of who wrote it.
Thus, it is not the intent of this section to claim rights or contest
your rights to work written entirely by you; rather, the intent is to
exercise the right to control the distribution of derivative or
collective works based on the Program.
In addition, mere aggregation of another work not based on the Program
with the Program (or with a work based on the Program) on a volume of
a storage or distribution medium does not bring the other work under
the scope of this License.
3. You may copy and distribute the Program (or a work based on it,
under Section 2) in object code or executable form under the terms of
Sections 1 and 2 above provided that you also do one of the following:
a) Accompany it with the complete corresponding machine-readable
source code, which must be distributed under the terms of Sections
1 and 2 above on a medium customarily used for software interchange; or,
b) Accompany it with a written offer, valid for at least three
years, to give any third party, for a charge no more than your
cost of physically performing source distribution, a complete
machine-readable copy of the corresponding source code, to be
distributed under the terms of Sections 1 and 2 above on a medium
customarily used for software interchange; or,
c) Accompany it with the information you received as to the offer
to distribute corresponding source code. (This alternative is
allowed only for noncommercial distribution and only if you
received the program in object code or executable form with such
an offer, in accord with Subsection b above.)
The source code for a work means the preferred form of the work for
making modifications to it. For an executable work, complete source
code means all the source code for all modules it contains, plus any
associated interface definition files, plus the scripts used to
control compilation and installation of the executable. However, as a
special exception, the source code distributed need not include
anything that is normally distributed (in either source or binary
form) with the major components (compiler, kernel, and so on) of the
operating system on which the executable runs, unless that component
itself accompanies the executable.
If distribution of executable or object code is made by offering
access to copy from a designated place, then offering equivalent
access to copy the source code from the same place counts as
distribution of the source code, even though third parties are not
compelled to copy the source along with the object code.
4. You may not copy, modify, sublicense, or distribute the Program
except as expressly provided under this License. Any attempt
otherwise to copy, modify, sublicense or distribute the Program is
void, and will automatically terminate your rights under this License.
However, parties who have received copies, or rights, from you under
this License will not have their licenses terminated so long as such
parties remain in full compliance.
5. You are not required to accept this License, since you have not
signed it. However, nothing else grants you permission to modify or
distribute the Program or its derivative works. These actions are
prohibited by law if you do not accept this License. Therefore, by
modifying or distributing the Program (or any work based on the
Program), you indicate your acceptance of this License to do so, and
all its terms and conditions for copying, distributing or modifying
the Program or works based on it.
6. Each time you redistribute the Program (or any work based on the
Program), the recipient automatically receives a license from the
original licensor to copy, distribute or modify the Program subject to
these terms and conditions. You may not impose any further
restrictions on the recipients' exercise of the rights granted herein.
You are not responsible for enforcing compliance by third parties to
this License.
7. If, as a consequence of a court judgment or allegation of patent
infringement or for any other reason (not limited to patent issues),
conditions are imposed on you (whether by court order, agreement or
otherwise) that contradict the conditions of this License, they do not
excuse you from the conditions of this License. If you cannot
distribute so as to satisfy simultaneously your obligations under this
License and any other pertinent obligations, then as a consequence you
may not distribute the Program at all. For example, if a patent
license would not permit royalty-free redistribution of the Program by
all those who receive copies directly or indirectly through you, then
the only way you could satisfy both it and this License would be to
refrain entirely from distribution of the Program.
If any portion of this section is held invalid or unenforceable under
any particular circumstance, the balance of the section is intended to
apply and the section as a whole is intended to apply in other
circumstances.
It is not the purpose of this section to induce you to infringe any
patents or other property right claims or to contest validity of any
such claims; this section has the sole purpose of protecting the
integrity of the free software distribution system, which is
implemented by public license practices. Many people have made
generous contributions to the wide range of software distributed
through that system in reliance on consistent application of that
system; it is up to the author/donor to decide if he or she is willing
to distribute software through any other system and a licensee cannot
impose that choice.
This section is intended to make thoroughly clear what is believed to
be a consequence of the rest of this License.
8. If the distribution and/or use of the Program is restricted in
certain countries either by patents or by copyrighted interfaces, the
original copyright holder who places the Program under this License
may add an explicit geographical distribution limitation excluding
those countries, so that distribution is permitted only in or among
countries not thus excluded. In such case, this License incorporates
the limitation as if written in the body of this License.
9. The Free Software Foundation may publish revised and/or new versions
of the General Public License from time to time. Such new versions will
be similar in spirit to the present version, but may differ in detail to
address new problems or concerns.
Each version is given a distinguishing version number. If the Program
specifies a version number of this License which applies to it and "any
later version", you have the option of following the terms and conditions
either of that version or of any later version published by the Free
Software Foundation. If the Program does not specify a version number of
this License, you may choose any version ever published by the Free Software
Foundation.
10. If you wish to incorporate parts of the Program into other free
programs whose distribution conditions are different, write to the author
to ask for permission. For software which is copyrighted by the Free
Software Foundation, write to the Free Software Foundation; we sometimes
make exceptions for this. Our decision will be guided by the two goals
of preserving the free status of all derivatives of our free software and
of promoting the sharing and reuse of software generally.
NO WARRANTY
11. BECAUSE THE PROGRAM IS LICENSED FREE OF CHARGE, THERE IS NO WARRANTY
FOR THE PROGRAM, TO THE EXTENT PERMITTED BY APPLICABLE LAW. EXCEPT WHEN
OTHERWISE STATED IN WRITING THE COPYRIGHT HOLDERS AND/OR OTHER PARTIES
PROVIDE THE PROGRAM "AS IS" WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESSED
OR IMPLIED, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. THE ENTIRE RISK AS
TO THE QUALITY AND PERFORMANCE OF THE PROGRAM IS WITH YOU. SHOULD THE
PROGRAM PROVE DEFECTIVE, YOU ASSUME THE COST OF ALL NECESSARY SERVICING,
REPAIR OR CORRECTION.
12. IN NO EVENT UNLESS REQUIRED BY APPLICABLE LAW OR AGREED TO IN WRITING
WILL ANY COPYRIGHT HOLDER, OR ANY OTHER PARTY WHO MAY MODIFY AND/OR
REDISTRIBUTE THE PROGRAM AS PERMITTED ABOVE, BE LIABLE TO YOU FOR DAMAGES,
INCLUDING ANY GENERAL, SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES ARISING
OUT OF THE USE OR INABILITY TO USE THE PROGRAM (INCLUDING BUT NOT LIMITED
TO LOSS OF DATA OR DATA BEING RENDERED INACCURATE OR LOSSES SUSTAINED BY
YOU OR THIRD PARTIES OR A FAILURE OF THE PROGRAM TO OPERATE WITH ANY OTHER
PROGRAMS), EVEN IF SUCH HOLDER OR OTHER PARTY HAS BEEN ADVISED OF THE
POSSIBILITY OF SUCH DAMAGES.
END OF TERMS AND CONDITIONS
How to Apply These Terms to Your New Programs
If you develop a new program, and you want it to be of the greatest
possible use to the public, the best way to achieve this is to make it
free software which everyone can redistribute and change under these terms.
To do so, attach the following notices to the program. It is safest
to attach them to the start of each source file to most effectively
convey the exclusion of warranty; and each file should have at least
the "copyright" line and a pointer to where the full notice is found.
<one line to give the program's name and a brief idea of what it does.>
Copyright (C) <year> <name of author>
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License along
with this program; if not, write to the Free Software Foundation, Inc.,
51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
Also add information on how to contact you by electronic and paper mail.
If the program is interactive, make it output a short notice like this
when it starts in an interactive mode:
Gnomovision version 69, Copyright (C) year name of author
Gnomovision comes with ABSOLUTELY NO WARRANTY; for details type 'show w'.
This is free software, and you are welcome to redistribute it
under certain conditions; type 'show c' for details.
The hypothetical commands 'show w' and 'show c' should show the appropriate
parts of the General Public License. Of course, the commands you use may
be called something other than 'show w' and 'show c'; they could even be
mouse-clicks or menu items--whatever suits your program.
You should also get your employer (if you work as a programmer) or your
school, if any, to sign a "copyright disclaimer" for the program, if
necessary. Here is a sample; alter the names:
Yoyodyne, Inc., hereby disclaims all copyright interest in the program
'Gnomovision' (which makes passes at compilers) written by James Hacker.
<signature of Ty Coon>, 1 April 1989
Ty Coon, President of Vice
This General Public License does not permit incorporating your program into
proprietary programs. If your program is a subroutine library, you may
consider it more useful to permit linking proprietary applications with the
library. If this is what you want to do, use the GNU Lesser General
Public License instead of this License.
`,
}
}

View file

@ -1,711 +0,0 @@
// Copyright © 2015 Steve Francia <spf@spf13.com>.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
// Parts inspired by https://github.com/ryanuber/go-license
package cmd
func initGpl3() {
Licenses["gpl3"] = License{
Name: "GNU General Public License 3.0",
PossibleMatches: []string{"GPL-3.0", "gpl3", "gplv3", "gpl", "gnu gpl3", "gnu gpl"},
Header: `
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.`,
Text: ` GNU GENERAL PUBLIC LICENSE
Version 3, 29 June 2007
Copyright (C) 2007 Free Software Foundation, Inc. <http://fsf.org/>
Everyone is permitted to copy and distribute verbatim copies
of this license document, but changing it is not allowed.
Preamble
The GNU General Public License is a free, copyleft license for
software and other kinds of works.
The licenses for most software and other practical works are designed
to take away your freedom to share and change the works. By contrast,
the GNU General Public License is intended to guarantee your freedom to
share and change all versions of a program--to make sure it remains free
software for all its users. We, the Free Software Foundation, use the
GNU General Public License for most of our software; it applies also to
any other work released this way by its authors. You can apply it to
your programs, too.
When we speak of free software, we are referring to freedom, not
price. Our General Public Licenses are designed to make sure that you
have the freedom to distribute copies of free software (and charge for
them if you wish), that you receive source code or can get it if you
want it, that you can change the software or use pieces of it in new
free programs, and that you know you can do these things.
To protect your rights, we need to prevent others from denying you
these rights or asking you to surrender the rights. Therefore, you have
certain responsibilities if you distribute copies of the software, or if
you modify it: responsibilities to respect the freedom of others.
For example, if you distribute copies of such a program, whether
gratis or for a fee, you must pass on to the recipients the same
freedoms that you received. You must make sure that they, too, receive
or can get the source code. And you must show them these terms so they
know their rights.
Developers that use the GNU GPL protect your rights with two steps:
(1) assert copyright on the software, and (2) offer you this License
giving you legal permission to copy, distribute and/or modify it.
For the developers' and authors' protection, the GPL clearly explains
that there is no warranty for this free software. For both users' and
authors' sake, the GPL requires that modified versions be marked as
changed, so that their problems will not be attributed erroneously to
authors of previous versions.
Some devices are designed to deny users access to install or run
modified versions of the software inside them, although the manufacturer
can do so. This is fundamentally incompatible with the aim of
protecting users' freedom to change the software. The systematic
pattern of such abuse occurs in the area of products for individuals to
use, which is precisely where it is most unacceptable. Therefore, we
have designed this version of the GPL to prohibit the practice for those
products. If such problems arise substantially in other domains, we
stand ready to extend this provision to those domains in future versions
of the GPL, as needed to protect the freedom of users.
Finally, every program is threatened constantly by software patents.
States should not allow patents to restrict development and use of
software on general-purpose computers, but in those that do, we wish to
avoid the special danger that patents applied to a free program could
make it effectively proprietary. To prevent this, the GPL assures that
patents cannot be used to render the program non-free.
The precise terms and conditions for copying, distribution and
modification follow.
TERMS AND CONDITIONS
0. Definitions.
"This License" refers to version 3 of the GNU General Public License.
"Copyright" also means copyright-like laws that apply to other kinds of
works, such as semiconductor masks.
"The Program" refers to any copyrightable work licensed under this
License. Each licensee is addressed as "you". "Licensees" and
"recipients" may be individuals or organizations.
To "modify" a work means to copy from or adapt all or part of the work
in a fashion requiring copyright permission, other than the making of an
exact copy. The resulting work is called a "modified version" of the
earlier work or a work "based on" the earlier work.
A "covered work" means either the unmodified Program or a work based
on the Program.
To "propagate" a work means to do anything with it that, without
permission, would make you directly or secondarily liable for
infringement under applicable copyright law, except executing it on a
computer or modifying a private copy. Propagation includes copying,
distribution (with or without modification), making available to the
public, and in some countries other activities as well.
To "convey" a work means any kind of propagation that enables other
parties to make or receive copies. Mere interaction with a user through
a computer network, with no transfer of a copy, is not conveying.
An interactive user interface displays "Appropriate Legal Notices"
to the extent that it includes a convenient and prominently visible
feature that (1) displays an appropriate copyright notice, and (2)
tells the user that there is no warranty for the work (except to the
extent that warranties are provided), that licensees may convey the
work under this License, and how to view a copy of this License. If
the interface presents a list of user commands or options, such as a
menu, a prominent item in the list meets this criterion.
1. Source Code.
The "source code" for a work means the preferred form of the work
for making modifications to it. "Object code" means any non-source
form of a work.
A "Standard Interface" means an interface that either is an official
standard defined by a recognized standards body, or, in the case of
interfaces specified for a particular programming language, one that
is widely used among developers working in that language.
The "System Libraries" of an executable work include anything, other
than the work as a whole, that (a) is included in the normal form of
packaging a Major Component, but which is not part of that Major
Component, and (b) serves only to enable use of the work with that
Major Component, or to implement a Standard Interface for which an
implementation is available to the public in source code form. A
"Major Component", in this context, means a major essential component
(kernel, window system, and so on) of the specific operating system
(if any) on which the executable work runs, or a compiler used to
produce the work, or an object code interpreter used to run it.
The "Corresponding Source" for a work in object code form means all
the source code needed to generate, install, and (for an executable
work) run the object code and to modify the work, including scripts to
control those activities. However, it does not include the work's
System Libraries, or general-purpose tools or generally available free
programs which are used unmodified in performing those activities but
which are not part of the work. For example, Corresponding Source
includes interface definition files associated with source files for
the work, and the source code for shared libraries and dynamically
linked subprograms that the work is specifically designed to require,
such as by intimate data communication or control flow between those
subprograms and other parts of the work.
The Corresponding Source need not include anything that users
can regenerate automatically from other parts of the Corresponding
Source.
The Corresponding Source for a work in source code form is that
same work.
2. Basic Permissions.
All rights granted under this License are granted for the term of
copyright on the Program, and are irrevocable provided the stated
conditions are met. This License explicitly affirms your unlimited
permission to run the unmodified Program. The output from running a
covered work is covered by this License only if the output, given its
content, constitutes a covered work. This License acknowledges your
rights of fair use or other equivalent, as provided by copyright law.
You may make, run and propagate covered works that you do not
convey, without conditions so long as your license otherwise remains
in force. You may convey covered works to others for the sole purpose
of having them make modifications exclusively for you, or provide you
with facilities for running those works, provided that you comply with
the terms of this License in conveying all material for which you do
not control copyright. Those thus making or running the covered works
for you must do so exclusively on your behalf, under your direction
and control, on terms that prohibit them from making any copies of
your copyrighted material outside their relationship with you.
Conveying under any other circumstances is permitted solely under
the conditions stated below. Sublicensing is not allowed; section 10
makes it unnecessary.
3. Protecting Users' Legal Rights From Anti-Circumvention Law.
No covered work shall be deemed part of an effective technological
measure under any applicable law fulfilling obligations under article
11 of the WIPO copyright treaty adopted on 20 December 1996, or
similar laws prohibiting or restricting circumvention of such
measures.
When you convey a covered work, you waive any legal power to forbid
circumvention of technological measures to the extent such circumvention
is effected by exercising rights under this License with respect to
the covered work, and you disclaim any intention to limit operation or
modification of the work as a means of enforcing, against the work's
users, your or third parties' legal rights to forbid circumvention of
technological measures.
4. Conveying Verbatim Copies.
You may convey verbatim copies of the Program's source code as you
receive it, in any medium, provided that you conspicuously and
appropriately publish on each copy an appropriate copyright notice;
keep intact all notices stating that this License and any
non-permissive terms added in accord with section 7 apply to the code;
keep intact all notices of the absence of any warranty; and give all
recipients a copy of this License along with the Program.
You may charge any price or no price for each copy that you convey,
and you may offer support or warranty protection for a fee.
5. Conveying Modified Source Versions.
You may convey a work based on the Program, or the modifications to
produce it from the Program, in the form of source code under the
terms of section 4, provided that you also meet all of these conditions:
a) The work must carry prominent notices stating that you modified
it, and giving a relevant date.
b) The work must carry prominent notices stating that it is
released under this License and any conditions added under section
7. This requirement modifies the requirement in section 4 to
"keep intact all notices".
c) You must license the entire work, as a whole, under this
License to anyone who comes into possession of a copy. This
License will therefore apply, along with any applicable section 7
additional terms, to the whole of the work, and all its parts,
regardless of how they are packaged. This License gives no
permission to license the work in any other way, but it does not
invalidate such permission if you have separately received it.
d) If the work has interactive user interfaces, each must display
Appropriate Legal Notices; however, if the Program has interactive
interfaces that do not display Appropriate Legal Notices, your
work need not make them do so.
A compilation of a covered work with other separate and independent
works, which are not by their nature extensions of the covered work,
and which are not combined with it such as to form a larger program,
in or on a volume of a storage or distribution medium, is called an
"aggregate" if the compilation and its resulting copyright are not
used to limit the access or legal rights of the compilation's users
beyond what the individual works permit. Inclusion of a covered work
in an aggregate does not cause this License to apply to the other
parts of the aggregate.
6. Conveying Non-Source Forms.
You may convey a covered work in object code form under the terms
of sections 4 and 5, provided that you also convey the
machine-readable Corresponding Source under the terms of this License,
in one of these ways:
a) Convey the object code in, or embodied in, a physical product
(including a physical distribution medium), accompanied by the
Corresponding Source fixed on a durable physical medium
customarily used for software interchange.
b) Convey the object code in, or embodied in, a physical product
(including a physical distribution medium), accompanied by a
written offer, valid for at least three years and valid for as
long as you offer spare parts or customer support for that product
model, to give anyone who possesses the object code either (1) a
copy of the Corresponding Source for all the software in the
product that is covered by this License, on a durable physical
medium customarily used for software interchange, for a price no
more than your reasonable cost of physically performing this
conveying of source, or (2) access to copy the
Corresponding Source from a network server at no charge.
c) Convey individual copies of the object code with a copy of the
written offer to provide the Corresponding Source. This
alternative is allowed only occasionally and noncommercially, and
only if you received the object code with such an offer, in accord
with subsection 6b.
d) Convey the object code by offering access from a designated
place (gratis or for a charge), and offer equivalent access to the
Corresponding Source in the same way through the same place at no
further charge. You need not require recipients to copy the
Corresponding Source along with the object code. If the place to
copy the object code is a network server, the Corresponding Source
may be on a different server (operated by you or a third party)
that supports equivalent copying facilities, provided you maintain
clear directions next to the object code saying where to find the
Corresponding Source. Regardless of what server hosts the
Corresponding Source, you remain obligated to ensure that it is
available for as long as needed to satisfy these requirements.
e) Convey the object code using peer-to-peer transmission, provided
you inform other peers where the object code and Corresponding
Source of the work are being offered to the general public at no
charge under subsection 6d.
A separable portion of the object code, whose source code is excluded
from the Corresponding Source as a System Library, need not be
included in conveying the object code work.
A "User Product" is either (1) a "consumer product", which means any
tangible personal property which is normally used for personal, family,
or household purposes, or (2) anything designed or sold for incorporation
into a dwelling. In determining whether a product is a consumer product,
doubtful cases shall be resolved in favor of coverage. For a particular
product received by a particular user, "normally used" refers to a
typical or common use of that class of product, regardless of the status
of the particular user or of the way in which the particular user
actually uses, or expects or is expected to use, the product. A product
is a consumer product regardless of whether the product has substantial
commercial, industrial or non-consumer uses, unless such uses represent
the only significant mode of use of the product.
"Installation Information" for a User Product means any methods,
procedures, authorization keys, or other information required to install
and execute modified versions of a covered work in that User Product from
a modified version of its Corresponding Source. The information must
suffice to ensure that the continued functioning of the modified object
code is in no case prevented or interfered with solely because
modification has been made.
If you convey an object code work under this section in, or with, or
specifically for use in, a User Product, and the conveying occurs as
part of a transaction in which the right of possession and use of the
User Product is transferred to the recipient in perpetuity or for a
fixed term (regardless of how the transaction is characterized), the
Corresponding Source conveyed under this section must be accompanied
by the Installation Information. But this requirement does not apply
if neither you nor any third party retains the ability to install
modified object code on the User Product (for example, the work has
been installed in ROM).
The requirement to provide Installation Information does not include a
requirement to continue to provide support service, warranty, or updates
for a work that has been modified or installed by the recipient, or for
the User Product in which it has been modified or installed. Access to a
network may be denied when the modification itself materially and
adversely affects the operation of the network or violates the rules and
protocols for communication across the network.
Corresponding Source conveyed, and Installation Information provided,
in accord with this section must be in a format that is publicly
documented (and with an implementation available to the public in
source code form), and must require no special password or key for
unpacking, reading or copying.
7. Additional Terms.
"Additional permissions" are terms that supplement the terms of this
License by making exceptions from one or more of its conditions.
Additional permissions that are applicable to the entire Program shall
be treated as though they were included in this License, to the extent
that they are valid under applicable law. If additional permissions
apply only to part of the Program, that part may be used separately
under those permissions, but the entire Program remains governed by
this License without regard to the additional permissions.
When you convey a copy of a covered work, you may at your option
remove any additional permissions from that copy, or from any part of
it. (Additional permissions may be written to require their own
removal in certain cases when you modify the work.) You may place
additional permissions on material, added by you to a covered work,
for which you have or can give appropriate copyright permission.
Notwithstanding any other provision of this License, for material you
add to a covered work, you may (if authorized by the copyright holders of
that material) supplement the terms of this License with terms:
a) Disclaiming warranty or limiting liability differently from the
terms of sections 15 and 16 of this License; or
b) Requiring preservation of specified reasonable legal notices or
author attributions in that material or in the Appropriate Legal
Notices displayed by works containing it; or
c) Prohibiting misrepresentation of the origin of that material, or
requiring that modified versions of such material be marked in
reasonable ways as different from the original version; or
d) Limiting the use for publicity purposes of names of licensors or
authors of the material; or
e) Declining to grant rights under trademark law for use of some
trade names, trademarks, or service marks; or
f) Requiring indemnification of licensors and authors of that
material by anyone who conveys the material (or modified versions of
it) with contractual assumptions of liability to the recipient, for
any liability that these contractual assumptions directly impose on
those licensors and authors.
All other non-permissive additional terms are considered "further
restrictions" within the meaning of section 10. If the Program as you
received it, or any part of it, contains a notice stating that it is
governed by this License along with a term that is a further
restriction, you may remove that term. If a license document contains
a further restriction but permits relicensing or conveying under this
License, you may add to a covered work material governed by the terms
of that license document, provided that the further restriction does
not survive such relicensing or conveying.
If you add terms to a covered work in accord with this section, you
must place, in the relevant source files, a statement of the
additional terms that apply to those files, or a notice indicating
where to find the applicable terms.
Additional terms, permissive or non-permissive, may be stated in the
form of a separately written license, or stated as exceptions;
the above requirements apply either way.
8. Termination.
You may not propagate or modify a covered work except as expressly
provided under this License. Any attempt otherwise to propagate or
modify it is void, and will automatically terminate your rights under
this License (including any patent licenses granted under the third
paragraph of section 11).
However, if you cease all violation of this License, then your
license from a particular copyright holder is reinstated (a)
provisionally, unless and until the copyright holder explicitly and
finally terminates your license, and (b) permanently, if the copyright
holder fails to notify you of the violation by some reasonable means
prior to 60 days after the cessation.
Moreover, your license from a particular copyright holder is
reinstated permanently if the copyright holder notifies you of the
violation by some reasonable means, this is the first time you have
received notice of violation of this License (for any work) from that
copyright holder, and you cure the violation prior to 30 days after
your receipt of the notice.
Termination of your rights under this section does not terminate the
licenses of parties who have received copies or rights from you under
this License. If your rights have been terminated and not permanently
reinstated, you do not qualify to receive new licenses for the same
material under section 10.
9. Acceptance Not Required for Having Copies.
You are not required to accept this License in order to receive or
run a copy of the Program. Ancillary propagation of a covered work
occurring solely as a consequence of using peer-to-peer transmission
to receive a copy likewise does not require acceptance. However,
nothing other than this License grants you permission to propagate or
modify any covered work. These actions infringe copyright if you do
not accept this License. Therefore, by modifying or propagating a
covered work, you indicate your acceptance of this License to do so.
10. Automatic Licensing of Downstream Recipients.
Each time you convey a covered work, the recipient automatically
receives a license from the original licensors, to run, modify and
propagate that work, subject to this License. You are not responsible
for enforcing compliance by third parties with this License.
An "entity transaction" is a transaction transferring control of an
organization, or substantially all assets of one, or subdividing an
organization, or merging organizations. If propagation of a covered
work results from an entity transaction, each party to that
transaction who receives a copy of the work also receives whatever
licenses to the work the party's predecessor in interest had or could
give under the previous paragraph, plus a right to possession of the
Corresponding Source of the work from the predecessor in interest, if
the predecessor has it or can get it with reasonable efforts.
You may not impose any further restrictions on the exercise of the
rights granted or affirmed under this License. For example, you may
not impose a license fee, royalty, or other charge for exercise of
rights granted under this License, and you may not initiate litigation
(including a cross-claim or counterclaim in a lawsuit) alleging that
any patent claim is infringed by making, using, selling, offering for
sale, or importing the Program or any portion of it.
11. Patents.
A "contributor" is a copyright holder who authorizes use under this
License of the Program or a work on which the Program is based. The
work thus licensed is called the contributor's "contributor version".
A contributor's "essential patent claims" are all patent claims
owned or controlled by the contributor, whether already acquired or
hereafter acquired, that would be infringed by some manner, permitted
by this License, of making, using, or selling its contributor version,
but do not include claims that would be infringed only as a
consequence of further modification of the contributor version. For
purposes of this definition, "control" includes the right to grant
patent sublicenses in a manner consistent with the requirements of
this License.
Each contributor grants you a non-exclusive, worldwide, royalty-free
patent license under the contributor's essential patent claims, to
make, use, sell, offer for sale, import and otherwise run, modify and
propagate the contents of its contributor version.
In the following three paragraphs, a "patent license" is any express
agreement or commitment, however denominated, not to enforce a patent
(such as an express permission to practice a patent or covenant not to
sue for patent infringement). To "grant" such a patent license to a
party means to make such an agreement or commitment not to enforce a
patent against the party.
If you convey a covered work, knowingly relying on a patent license,
and the Corresponding Source of the work is not available for anyone
to copy, free of charge and under the terms of this License, through a
publicly available network server or other readily accessible means,
then you must either (1) cause the Corresponding Source to be so
available, or (2) arrange to deprive yourself of the benefit of the
patent license for this particular work, or (3) arrange, in a manner
consistent with the requirements of this License, to extend the patent
license to downstream recipients. "Knowingly relying" means you have
actual knowledge that, but for the patent license, your conveying the
covered work in a country, or your recipient's use of the covered work
in a country, would infringe one or more identifiable patents in that
country that you have reason to believe are valid.
If, pursuant to or in connection with a single transaction or
arrangement, you convey, or propagate by procuring conveyance of, a
covered work, and grant a patent license to some of the parties
receiving the covered work authorizing them to use, propagate, modify
or convey a specific copy of the covered work, then the patent license
you grant is automatically extended to all recipients of the covered
work and works based on it.
A patent license is "discriminatory" if it does not include within
the scope of its coverage, prohibits the exercise of, or is
conditioned on the non-exercise of one or more of the rights that are
specifically granted under this License. You may not convey a covered
work if you are a party to an arrangement with a third party that is
in the business of distributing software, under which you make payment
to the third party based on the extent of your activity of conveying
the work, and under which the third party grants, to any of the
parties who would receive the covered work from you, a discriminatory
patent license (a) in connection with copies of the covered work
conveyed by you (or copies made from those copies), or (b) primarily
for and in connection with specific products or compilations that
contain the covered work, unless you entered into that arrangement,
or that patent license was granted, prior to 28 March 2007.
Nothing in this License shall be construed as excluding or limiting
any implied license or other defenses to infringement that may
otherwise be available to you under applicable patent law.
12. No Surrender of Others' Freedom.
If conditions are imposed on you (whether by court order, agreement or
otherwise) that contradict the conditions of this License, they do not
excuse you from the conditions of this License. If you cannot convey a
covered work so as to satisfy simultaneously your obligations under this
License and any other pertinent obligations, then as a consequence you may
not convey it at all. For example, if you agree to terms that obligate you
to collect a royalty for further conveying from those to whom you convey
the Program, the only way you could satisfy both those terms and this
License would be to refrain entirely from conveying the Program.
13. Use with the GNU Affero General Public License.
Notwithstanding any other provision of this License, you have
permission to link or combine any covered work with a work licensed
under version 3 of the GNU Affero General Public License into a single
combined work, and to convey the resulting work. The terms of this
License will continue to apply to the part which is the covered work,
but the special requirements of the GNU Affero General Public License,
section 13, concerning interaction through a network will apply to the
combination as such.
14. Revised Versions of this License.
The Free Software Foundation may publish revised and/or new versions of
the GNU General Public License from time to time. Such new versions will
be similar in spirit to the present version, but may differ in detail to
address new problems or concerns.
Each version is given a distinguishing version number. If the
Program specifies that a certain numbered version of the GNU General
Public License "or any later version" applies to it, you have the
option of following the terms and conditions either of that numbered
version or of any later version published by the Free Software
Foundation. If the Program does not specify a version number of the
GNU General Public License, you may choose any version ever published
by the Free Software Foundation.
If the Program specifies that a proxy can decide which future
versions of the GNU General Public License can be used, that proxy's
public statement of acceptance of a version permanently authorizes you
to choose that version for the Program.
Later license versions may give you additional or different
permissions. However, no additional obligations are imposed on any
author or copyright holder as a result of your choosing to follow a
later version.
15. Disclaimer of Warranty.
THERE IS NO WARRANTY FOR THE PROGRAM, TO THE EXTENT PERMITTED BY
APPLICABLE LAW. EXCEPT WHEN OTHERWISE STATED IN WRITING THE COPYRIGHT
HOLDERS AND/OR OTHER PARTIES PROVIDE THE PROGRAM "AS IS" WITHOUT WARRANTY
OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING, BUT NOT LIMITED TO,
THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
PURPOSE. THE ENTIRE RISK AS TO THE QUALITY AND PERFORMANCE OF THE PROGRAM
IS WITH YOU. SHOULD THE PROGRAM PROVE DEFECTIVE, YOU ASSUME THE COST OF
ALL NECESSARY SERVICING, REPAIR OR CORRECTION.
16. Limitation of Liability.
IN NO EVENT UNLESS REQUIRED BY APPLICABLE LAW OR AGREED TO IN WRITING
WILL ANY COPYRIGHT HOLDER, OR ANY OTHER PARTY WHO MODIFIES AND/OR CONVEYS
THE PROGRAM AS PERMITTED ABOVE, BE LIABLE TO YOU FOR DAMAGES, INCLUDING ANY
GENERAL, SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THE
USE OR INABILITY TO USE THE PROGRAM (INCLUDING BUT NOT LIMITED TO LOSS OF
DATA OR DATA BEING RENDERED INACCURATE OR LOSSES SUSTAINED BY YOU OR THIRD
PARTIES OR A FAILURE OF THE PROGRAM TO OPERATE WITH ANY OTHER PROGRAMS),
EVEN IF SUCH HOLDER OR OTHER PARTY HAS BEEN ADVISED OF THE POSSIBILITY OF
SUCH DAMAGES.
17. Interpretation of Sections 15 and 16.
If the disclaimer of warranty and limitation of liability provided
above cannot be given local legal effect according to their terms,
reviewing courts shall apply local law that most closely approximates
an absolute waiver of all civil liability in connection with the
Program, unless a warranty or assumption of liability accompanies a
copy of the Program in return for a fee.
END OF TERMS AND CONDITIONS
How to Apply These Terms to Your New Programs
If you develop a new program, and you want it to be of the greatest
possible use to the public, the best way to achieve this is to make it
free software which everyone can redistribute and change under these terms.
To do so, attach the following notices to the program. It is safest
to attach them to the start of each source file to most effectively
state the exclusion of warranty; and each file should have at least
the "copyright" line and a pointer to where the full notice is found.
<one line to give the program's name and a brief idea of what it does.>
Copyright (C) <year> <name of author>
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
Also add information on how to contact you by electronic and paper mail.
If the program does terminal interaction, make it output a short
notice like this when it starts in an interactive mode:
<program> Copyright (C) <year> <name of author>
This program comes with ABSOLUTELY NO WARRANTY; for details type 'show w'.
This is free software, and you are welcome to redistribute it
under certain conditions; type 'show c' for details.
The hypothetical commands 'show w' and 'show c' should show the appropriate
parts of the General Public License. Of course, your program's commands
might be different; for a GUI interface, you would use an "about box".
You should also get your employer (if you work as a programmer) or school,
if any, to sign a "copyright disclaimer" for the program, if necessary.
For more information on this, and how to apply and follow the GNU GPL, see
<http://www.gnu.org/licenses/>.
The GNU General Public License does not permit incorporating your program
into proprietary programs. If your program is a subroutine library, you
may consider it more useful to permit linking proprietary applications with
the library. If this is what you want to do, use the GNU Lesser General
Public License instead of this License. But first, please read
<http://www.gnu.org/philosophy/why-not-lgpl.html>.
`,
}
}

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@ -1,186 +0,0 @@
package cmd
func initLgpl() {
Licenses["lgpl"] = License{
Name: "GNU Lesser General Public License",
PossibleMatches: []string{"LGPL-3.0", "lgpl", "lesser gpl", "gnu lgpl"},
Header: `
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU Lesser General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.`,
Text: ` GNU LESSER GENERAL PUBLIC LICENSE
Version 3, 29 June 2007
Copyright (C) 2007 Free Software Foundation, Inc. <http://fsf.org/>
Everyone is permitted to copy and distribute verbatim copies
of this license document, but changing it is not allowed.
This version of the GNU Lesser General Public License incorporates
the terms and conditions of version 3 of the GNU General Public
License, supplemented by the additional permissions listed below.
0. Additional Definitions.
As used herein, "this License" refers to version 3 of the GNU Lesser
General Public License, and the "GNU GPL" refers to version 3 of the GNU
General Public License.
"The Library" refers to a covered work governed by this License,
other than an Application or a Combined Work as defined below.
An "Application" is any work that makes use of an interface provided
by the Library, but which is not otherwise based on the Library.
Defining a subclass of a class defined by the Library is deemed a mode
of using an interface provided by the Library.
A "Combined Work" is a work produced by combining or linking an
Application with the Library. The particular version of the Library
with which the Combined Work was made is also called the "Linked
Version".
The "Minimal Corresponding Source" for a Combined Work means the
Corresponding Source for the Combined Work, excluding any source code
for portions of the Combined Work that, considered in isolation, are
based on the Application, and not on the Linked Version.
The "Corresponding Application Code" for a Combined Work means the
object code and/or source code for the Application, including any data
and utility programs needed for reproducing the Combined Work from the
Application, but excluding the System Libraries of the Combined Work.
1. Exception to Section 3 of the GNU GPL.
You may convey a covered work under sections 3 and 4 of this License
without being bound by section 3 of the GNU GPL.
2. Conveying Modified Versions.
If you modify a copy of the Library, and, in your modifications, a
facility refers to a function or data to be supplied by an Application
that uses the facility (other than as an argument passed when the
facility is invoked), then you may convey a copy of the modified
version:
a) under this License, provided that you make a good faith effort to
ensure that, in the event an Application does not supply the
function or data, the facility still operates, and performs
whatever part of its purpose remains meaningful, or
b) under the GNU GPL, with none of the additional permissions of
this License applicable to that copy.
3. Object Code Incorporating Material from Library Header Files.
The object code form of an Application may incorporate material from
a header file that is part of the Library. You may convey such object
code under terms of your choice, provided that, if the incorporated
material is not limited to numerical parameters, data structure
layouts and accessors, or small macros, inline functions and templates
(ten or fewer lines in length), you do both of the following:
a) Give prominent notice with each copy of the object code that the
Library is used in it and that the Library and its use are
covered by this License.
b) Accompany the object code with a copy of the GNU GPL and this license
document.
4. Combined Works.
You may convey a Combined Work under terms of your choice that,
taken together, effectively do not restrict modification of the
portions of the Library contained in the Combined Work and reverse
engineering for debugging such modifications, if you also do each of
the following:
a) Give prominent notice with each copy of the Combined Work that
the Library is used in it and that the Library and its use are
covered by this License.
b) Accompany the Combined Work with a copy of the GNU GPL and this license
document.
c) For a Combined Work that displays copyright notices during
execution, include the copyright notice for the Library among
these notices, as well as a reference directing the user to the
copies of the GNU GPL and this license document.
d) Do one of the following:
0) Convey the Minimal Corresponding Source under the terms of this
License, and the Corresponding Application Code in a form
suitable for, and under terms that permit, the user to
recombine or relink the Application with a modified version of
the Linked Version to produce a modified Combined Work, in the
manner specified by section 6 of the GNU GPL for conveying
Corresponding Source.
1) Use a suitable shared library mechanism for linking with the
Library. A suitable mechanism is one that (a) uses at run time
a copy of the Library already present on the user's computer
system, and (b) will operate properly with a modified version
of the Library that is interface-compatible with the Linked
Version.
e) Provide Installation Information, but only if you would otherwise
be required to provide such information under section 6 of the
GNU GPL, and only to the extent that such information is
necessary to install and execute a modified version of the
Combined Work produced by recombining or relinking the
Application with a modified version of the Linked Version. (If
you use option 4d0, the Installation Information must accompany
the Minimal Corresponding Source and Corresponding Application
Code. If you use option 4d1, you must provide the Installation
Information in the manner specified by section 6 of the GNU GPL
for conveying Corresponding Source.)
5. Combined Libraries.
You may place library facilities that are a work based on the
Library side by side in a single library together with other library
facilities that are not Applications and are not covered by this
License, and convey such a combined library under terms of your
choice, if you do both of the following:
a) Accompany the combined library with a copy of the same work based
on the Library, uncombined with any other library facilities,
conveyed under the terms of this License.
b) Give prominent notice with the combined library that part of it
is a work based on the Library, and explaining where to find the
accompanying uncombined form of the same work.
6. Revised Versions of the GNU Lesser General Public License.
The Free Software Foundation may publish revised and/or new versions
of the GNU Lesser General Public License from time to time. Such new
versions will be similar in spirit to the present version, but may
differ in detail to address new problems or concerns.
Each version is given a distinguishing version number. If the
Library as you received it specifies that a certain numbered version
of the GNU Lesser General Public License "or any later version"
applies to it, you have the option of following the terms and
conditions either of that published version or of any later version
published by the Free Software Foundation. If the Library as you
received it does not specify a version number of the GNU Lesser
General Public License, you may choose any version of the GNU Lesser
General Public License ever published by the Free Software Foundation.
If the Library as you received it specifies that a proxy can decide
whether future versions of the GNU Lesser General Public License shall
apply, that proxy's public statement of acceptance of any version is
permanent authorization for you to choose that version for the
Library.`,
}
}

View file

@ -1,63 +0,0 @@
// Copyright © 2015 Steve Francia <spf@spf13.com>.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
// Parts inspired by https://github.com/ryanuber/go-license
package cmd
func initMit() {
Licenses["mit"] = License{
Name: "MIT License",
PossibleMatches: []string{"MIT", "mit"},
Header: `
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in
all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
THE SOFTWARE.`,
Text: `The MIT License (MIT)
{{ .copyright }}
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in
all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
THE SOFTWARE.
`,
}
}

View file

@ -1,120 +0,0 @@
// Copyright © 2021 Steve Francia <spf@spf13.com>.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
// Parts inspired by https://github.com/ryanuber/go-license
package cmd
import (
"fmt"
"strings"
"time"
"github.com/spf13/cobra"
"github.com/spf13/viper"
)
// Licenses contains all possible licenses a user can choose from.
var Licenses = make(map[string]License)
// License represents a software license agreement, containing the Name of
// the license, its possible matches (on the command line as given to cobra),
// the header to be used with each file on the file's creating, and the text
// of the license
type License struct {
Name string // The type of license in use
PossibleMatches []string // Similar names to guess
Text string // License text data
Header string // License header for source files
}
func init() {
// Allows a user to not use a license.
Licenses["none"] = License{"None", []string{"none", "false"}, "", ""}
initApache2()
initMit()
initBsdClause3()
initBsdClause2()
initGpl2()
initGpl3()
initLgpl()
initAgpl()
}
// getLicense returns license specified by user in flag or in config.
// If user didn't specify the license, it returns none
//
// TODO: Inspect project for existing license
func getLicense() License {
// If explicitly flagged, use that.
if userLicense != "" {
return findLicense(userLicense)
}
// If user wants to have custom license, use that.
if viper.IsSet("license.header") || viper.IsSet("license.text") {
return License{Header: viper.GetString("license.header"),
Text: viper.GetString("license.text")}
}
// If user wants to have built-in license, use that.
if viper.IsSet("license") {
return findLicense(viper.GetString("license"))
}
// If user didn't set any license, use none by default
return Licenses["none"]
}
func copyrightLine() string {
author := viper.GetString("author")
year := viper.GetString("year") // For tests.
if year == "" {
year = time.Now().Format("2006")
}
return "Copyright © " + year + " " + author
}
// findLicense looks for License object of built-in licenses.
// If it didn't find license, then the app will be terminated and
// error will be printed.
func findLicense(name string) License {
found := matchLicense(name)
if found == "" {
cobra.CheckErr(fmt.Errorf("unknown license: " + name))
}
return Licenses[found]
}
// matchLicense compares the given a license name
// to PossibleMatches of all built-in licenses.
// It returns blank string, if name is blank string or it didn't find
// then appropriate match to name.
func matchLicense(name string) string {
if name == "" {
return ""
}
for key, lic := range Licenses {
for _, match := range lic.PossibleMatches {
if strings.EqualFold(name, match) {
return key
}
}
}
return ""
}

View file

@ -1,98 +0,0 @@
package cmd
import (
"fmt"
"os"
"text/template"
"github.com/spf13/cobra"
"github.com/spf13/cobra/cobra/tpl"
)
// Project contains name, license and paths to projects.
type Project struct {
// v2
PkgName string
Copyright string
AbsolutePath string
Legal License
Viper bool
AppName string
}
type Command struct {
CmdName string
CmdParent string
*Project
}
func (p *Project) Create() error {
// check if AbsolutePath exists
if _, err := os.Stat(p.AbsolutePath); os.IsNotExist(err) {
// create directory
if err := os.Mkdir(p.AbsolutePath, 0754); err != nil {
return err
}
}
// create main.go
mainFile, err := os.Create(fmt.Sprintf("%s/main.go", p.AbsolutePath))
if err != nil {
return err
}
defer mainFile.Close()
mainTemplate := template.Must(template.New("main").Parse(string(tpl.MainTemplate())))
err = mainTemplate.Execute(mainFile, p)
if err != nil {
return err
}
// create cmd/root.go
if _, err = os.Stat(fmt.Sprintf("%s/cmd", p.AbsolutePath)); os.IsNotExist(err) {
cobra.CheckErr(os.Mkdir(fmt.Sprintf("%s/cmd", p.AbsolutePath), 0751))
}
rootFile, err := os.Create(fmt.Sprintf("%s/cmd/root.go", p.AbsolutePath))
if err != nil {
return err
}
defer rootFile.Close()
rootTemplate := template.Must(template.New("root").Parse(string(tpl.RootTemplate())))
err = rootTemplate.Execute(rootFile, p)
if err != nil {
return err
}
// create license
return p.createLicenseFile()
}
func (p *Project) createLicenseFile() error {
data := map[string]interface{}{
"copyright": copyrightLine(),
}
licenseFile, err := os.Create(fmt.Sprintf("%s/LICENSE", p.AbsolutePath))
if err != nil {
return err
}
defer licenseFile.Close()
licenseTemplate := template.Must(template.New("license").Parse(p.Legal.Text))
return licenseTemplate.Execute(licenseFile, data)
}
func (c *Command) Create() error {
cmdFile, err := os.Create(fmt.Sprintf("%s/cmd/%s.go", c.AbsolutePath, c.CmdName))
if err != nil {
return err
}
defer cmdFile.Close()
commandTemplate := template.Must(template.New("sub").Parse(string(tpl.AddCommandTemplate())))
err = commandTemplate.Execute(cmdFile, c)
if err != nil {
return err
}
return nil
}

View file

@ -1,3 +0,0 @@
package cmd
/* todo: write tests */

View file

@ -1,79 +0,0 @@
// Copyright © 2021 Steve Francia <spf@spf13.com>.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package cmd
import (
"fmt"
"os"
"github.com/spf13/cobra"
"github.com/spf13/viper"
)
var (
// Used for flags.
cfgFile string
userLicense string
rootCmd = &cobra.Command{
Use: "cobra",
Short: "A generator for Cobra based Applications",
Long: `Cobra is a CLI library for Go that empowers applications.
This application is a tool to generate the needed files
to quickly create a Cobra application.`,
}
)
// Execute executes the root command.
func Execute() error {
return rootCmd.Execute()
}
func init() {
cobra.OnInitialize(initConfig)
rootCmd.PersistentFlags().StringVar(&cfgFile, "config", "", "config file (default is $HOME/.cobra.yaml)")
rootCmd.PersistentFlags().StringP("author", "a", "YOUR NAME", "author name for copyright attribution")
rootCmd.PersistentFlags().StringVarP(&userLicense, "license", "l", "", "name of license for the project")
rootCmd.PersistentFlags().Bool("viper", false, "use Viper for configuration")
cobra.CheckErr(viper.BindPFlag("author", rootCmd.PersistentFlags().Lookup("author")))
cobra.CheckErr(viper.BindPFlag("useViper", rootCmd.PersistentFlags().Lookup("viper")))
viper.SetDefault("author", "NAME HERE <EMAIL ADDRESS>")
viper.SetDefault("license", "none")
rootCmd.AddCommand(addCmd)
rootCmd.AddCommand(initCmd)
}
func initConfig() {
if cfgFile != "" {
// Use config file from the flag.
viper.SetConfigFile(cfgFile)
} else {
// Find home directory.
home, err := os.UserHomeDir()
cobra.CheckErr(err)
// Search config in home directory with name ".cobra" (without extension).
viper.AddConfigPath(home)
viper.SetConfigType("yaml")
viper.SetConfigName(".cobra")
}
viper.AutomaticEnv()
if err := viper.ReadInConfig(); err == nil {
fmt.Fprintln(os.Stderr, "Using config file:", viper.ConfigFileUsed())
}
}

View file

@ -1,202 +0,0 @@
Apache License
Version 2.0, January 2004
http://www.apache.org/licenses/
TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION
1. Definitions.
"License" shall mean the terms and conditions for use, reproduction,
and distribution as defined by Sections 1 through 9 of this document.
"Licensor" shall mean the copyright owner or entity authorized by
the copyright owner that is granting the License.
"Legal Entity" shall mean the union of the acting entity and all
other entities that control, are controlled by, or are under common
control with that entity. For the purposes of this definition,
"control" means (i) the power, direct or indirect, to cause the
direction or management of such entity, whether by contract or
otherwise, or (ii) ownership of fifty percent (50%) or more of the
outstanding shares, or (iii) beneficial ownership of such entity.
"You" (or "Your") shall mean an individual or Legal Entity
exercising permissions granted by this License.
"Source" form shall mean the preferred form for making modifications,
including but not limited to software source code, documentation
source, and configuration files.
"Object" form shall mean any form resulting from mechanical
transformation or translation of a Source form, including but
not limited to compiled object code, generated documentation,
and conversions to other media types.
"Work" shall mean the work of authorship, whether in Source or
Object form, made available under the License, as indicated by a
copyright notice that is included in or attached to the work
(an example is provided in the Appendix below).
"Derivative Works" shall mean any work, whether in Source or Object
form, that is based on (or derived from) the Work and for which the
editorial revisions, annotations, elaborations, or other modifications
represent, as a whole, an original work of authorship. For the purposes
of this License, Derivative Works shall not include works that remain
separable from, or merely link (or bind by name) to the interfaces of,
the Work and Derivative Works thereof.
"Contribution" shall mean any work of authorship, including
the original version of the Work and any modifications or additions
to that Work or Derivative Works thereof, that is intentionally
submitted to Licensor for inclusion in the Work by the copyright owner
or by an individual or Legal Entity authorized to submit on behalf of
the copyright owner. For the purposes of this definition, "submitted"
means any form of electronic, verbal, or written communication sent
to the Licensor or its representatives, including but not limited to
communication on electronic mailing lists, source code control systems,
and issue tracking systems that are managed by, or on behalf of, the
Licensor for the purpose of discussing and improving the Work, but
excluding communication that is conspicuously marked or otherwise
designated in writing by the copyright owner as "Not a Contribution."
"Contributor" shall mean Licensor and any individual or Legal Entity
on behalf of whom a Contribution has been received by Licensor and
subsequently incorporated within the Work.
2. Grant of Copyright License. Subject to the terms and conditions of
this License, each Contributor hereby grants to You a perpetual,
worldwide, non-exclusive, no-charge, royalty-free, irrevocable
copyright license to reproduce, prepare Derivative Works of,
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Work and such Derivative Works in Source or Object form.
3. Grant of Patent License. Subject to the terms and conditions of
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use, offer to sell, sell, import, and otherwise transfer the Work,
where such license applies only to those patent claims licensable
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or a Contribution incorporated within the Work constitutes direct
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granted to You under this License for that Work shall terminate
as of the date such litigation is filed.
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Work or Derivative Works thereof in any medium, with or without
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meet the following conditions:
(a) You must give any other recipients of the Work or
Derivative Works a copy of this License; and
(b) You must cause any modified files to carry prominent notices
stating that You changed the files; and
(c) You must retain, in the Source form of any Derivative Works
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do not modify the License. You may add Your own attribution
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or as an addendum to the NOTICE text from the Work, provided
that such additional attribution notices cannot be construed
as modifying the License.
You may add Your own copyright statement to Your modifications and
may provide additional or different license terms and conditions
for use, reproduction, or distribution of Your modifications, or
for any such Derivative Works as a whole, provided Your use,
reproduction, and distribution of the Work otherwise complies with
the conditions stated in this License.
5. Submission of Contributions. Unless You explicitly state otherwise,
any Contribution intentionally submitted for inclusion in the Work
by You to the Licensor shall be under the terms and conditions of
this License, without any additional terms or conditions.
Notwithstanding the above, nothing herein shall supersede or modify
the terms of any separate license agreement you may have executed
with Licensor regarding such Contributions.
6. Trademarks. This License does not grant permission to use the trade
names, trademarks, service marks, or product names of the Licensor,
except as required for reasonable and customary use in describing the
origin of the Work and reproducing the content of the NOTICE file.
7. Disclaimer of Warranty. Unless required by applicable law or
agreed to in writing, Licensor provides the Work (and each
Contributor provides its Contributions) on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
implied, including, without limitation, any warranties or conditions
of TITLE, NON-INFRINGEMENT, MERCHANTABILITY, or FITNESS FOR A
PARTICULAR PURPOSE. You are solely responsible for determining the
appropriateness of using or redistributing the Work and assume any
risks associated with Your exercise of permissions under this License.
8. Limitation of Liability. In no event and under no legal theory,
whether in tort (including negligence), contract, or otherwise,
unless required by applicable law (such as deliberate and grossly
negligent acts) or agreed to in writing, shall any Contributor be
liable to You for damages, including any direct, indirect, special,
incidental, or consequential damages of any character arising as a
result of this License or out of the use or inability to use the
Work (including but not limited to damages for loss of goodwill,
work stoppage, computer failure or malfunction, or any and all
other commercial damages or losses), even if such Contributor
has been advised of the possibility of such damages.
9. Accepting Warranty or Additional Liability. While redistributing
the Work or Derivative Works thereof, You may choose to offer,
and charge a fee for, acceptance of support, warranty, indemnity,
or other liability obligations and/or rights consistent with this
License. However, in accepting such obligations, You may act only
on Your own behalf and on Your sole responsibility, not on behalf
of any other Contributor, and only if You agree to indemnify,
defend, and hold each Contributor harmless for any liability
incurred by, or claims asserted against, such Contributor by reason
of your accepting any such warranty or additional liability.
END OF TERMS AND CONDITIONS
APPENDIX: How to apply the Apache License to your work.
To apply the Apache License to your work, attach the following
boilerplate notice, with the fields enclosed by brackets "[]"
replaced with your own identifying information. (Don't include
the brackets!) The text should be enclosed in the appropriate
comment syntax for the file format. We also recommend that a
file or class name and description of purpose be included on the
same "printed page" as the copyright notice for easier
identification within third-party archives.
Copyright [yyyy] [name of copyright owner]
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.

View file

@ -1,22 +0,0 @@
/*
Copyright © 2021 NAME HERE <EMAIL ADDRESS>
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
package main
import "github.com/spf13/cobra/cobra/cmd/cmd"
func main() {
cmd.Execute()
}

View file

@ -1,88 +0,0 @@
/*
Copyright © 2021 NAME HERE <EMAIL ADDRESS>
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
package cmd
import (
"fmt"
"os"
"github.com/spf13/cobra"
"github.com/spf13/viper"
)
var cfgFile string
// rootCmd represents the base command when called without any subcommands
var rootCmd = &cobra.Command{
Use: "cmd",
Short: "A brief description of your application",
Long: `A longer description that spans multiple lines and likely contains
examples and usage of using your application. For example:
Cobra is a CLI library for Go that empowers applications.
This application is a tool to generate the needed files
to quickly create a Cobra application.`,
// Uncomment the following line if your bare application
// has an action associated with it:
// Run: func(cmd *cobra.Command, args []string) { },
}
// Execute adds all child commands to the root command and sets flags appropriately.
// This is called by main.main(). It only needs to happen once to the rootCmd.
func Execute() {
err := rootCmd.Execute()
if err != nil {
os.Exit(1)
}
}
func init() {
cobra.OnInitialize(initConfig)
// Here you will define your flags and configuration settings.
// Cobra supports persistent flags, which, if defined here,
// will be global for your application.
rootCmd.PersistentFlags().StringVar(&cfgFile, "config", "", "config file (default is $HOME/.cmd.yaml)")
// Cobra also supports local flags, which will only run
// when this action is called directly.
rootCmd.Flags().BoolP("toggle", "t", false, "Help message for toggle")
}
// initConfig reads in config file and ENV variables if set.
func initConfig() {
if cfgFile != "" {
// Use config file from the flag.
viper.SetConfigFile(cfgFile)
} else {
// Find home directory.
home, err := os.UserHomeDir()
cobra.CheckErr(err)
// Search config in home directory with name ".cmd" (without extension).
viper.AddConfigPath(home)
viper.SetConfigType("yaml")
viper.SetConfigName(".cmd")
}
viper.AutomaticEnv() // read in environment variables that match
// If a config file is found, read it in.
if err := viper.ReadInConfig(); err == nil {
fmt.Fprintln(os.Stderr, "Using config file:", viper.ConfigFileUsed())
}
}

View file

@ -1,51 +0,0 @@
/*
Copyright © 2021 NAME HERE <EMAIL ADDRESS>
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
package cmd
import (
"fmt"
"github.com/spf13/cobra"
)
// testCmd represents the test command
var testCmd = &cobra.Command{
Use: "test",
Short: "A brief description of your command",
Long: `A longer description that spans multiple lines and likely contains examples
and usage of using your command. For example:
Cobra is a CLI library for Go that empowers applications.
This application is a tool to generate the needed files
to quickly create a Cobra application.`,
Run: func(cmd *cobra.Command, args []string) {
fmt.Println("test called")
},
}
func init() {
rootCmd.AddCommand(testCmd)
// Here you will define your flags and configuration settings.
// Cobra supports Persistent Flags which will work for this command
// and all subcommands, e.g.:
// testCmd.PersistentFlags().String("foo", "", "A help for foo")
// Cobra supports local flags which will only run when this command
// is called directly, e.g.:
// testCmd.Flags().BoolP("toggle", "t", false, "Help message for toggle")
}

View file

@ -1,163 +0,0 @@
// Copyright © 2021 Steve Francia <spf@spf13.com>.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package tpl
func MainTemplate() []byte {
return []byte(`/*
{{ .Copyright }}
{{ if .Legal.Header }}{{ .Legal.Header }}{{ end }}
*/
package main
import "{{ .PkgName }}/cmd"
func main() {
cmd.Execute()
}
`)
}
func RootTemplate() []byte {
return []byte(`/*
{{ .Copyright }}
{{ if .Legal.Header }}{{ .Legal.Header }}{{ end }}
*/
package cmd
import (
{{- if .Viper }}
"fmt"{{ end }}
"os"
"github.com/spf13/cobra"
{{- if .Viper }}
"github.com/spf13/viper"{{ end }}
)
{{ if .Viper -}}
var cfgFile string
{{- end }}
// rootCmd represents the base command when called without any subcommands
var rootCmd = &cobra.Command{
Use: "{{ .AppName }}",
Short: "A brief description of your application",
Long: ` + "`" + `A longer description that spans multiple lines and likely contains
examples and usage of using your application. For example:
Cobra is a CLI library for Go that empowers applications.
This application is a tool to generate the needed files
to quickly create a Cobra application.` + "`" + `,
// Uncomment the following line if your bare application
// has an action associated with it:
// Run: func(cmd *cobra.Command, args []string) { },
}
// Execute adds all child commands to the root command and sets flags appropriately.
// This is called by main.main(). It only needs to happen once to the rootCmd.
func Execute() {
err := rootCmd.Execute()
if err != nil {
os.Exit(1)
}
}
func init() {
{{- if .Viper }}
cobra.OnInitialize(initConfig)
{{ end }}
// Here you will define your flags and configuration settings.
// Cobra supports persistent flags, which, if defined here,
// will be global for your application.
{{ if .Viper }}
rootCmd.PersistentFlags().StringVar(&cfgFile, "config", "", "config file (default is $HOME/.{{ .AppName }}.yaml)")
{{ else }}
// rootCmd.PersistentFlags().StringVar(&cfgFile, "config", "", "config file (default is $HOME/.{{ .AppName }}.yaml)")
{{ end }}
// Cobra also supports local flags, which will only run
// when this action is called directly.
rootCmd.Flags().BoolP("toggle", "t", false, "Help message for toggle")
}
{{ if .Viper -}}
// initConfig reads in config file and ENV variables if set.
func initConfig() {
if cfgFile != "" {
// Use config file from the flag.
viper.SetConfigFile(cfgFile)
} else {
// Find home directory.
home, err := os.UserHomeDir()
cobra.CheckErr(err)
// Search config in home directory with name ".{{ .AppName }}" (without extension).
viper.AddConfigPath(home)
viper.SetConfigType("yaml")
viper.SetConfigName(".{{ .AppName }}")
}
viper.AutomaticEnv() // read in environment variables that match
// If a config file is found, read it in.
if err := viper.ReadInConfig(); err == nil {
fmt.Fprintln(os.Stderr, "Using config file:", viper.ConfigFileUsed())
}
}
{{- end }}
`)
}
func AddCommandTemplate() []byte {
return []byte(`/*
{{ .Project.Copyright }}
{{ if .Legal.Header }}{{ .Legal.Header }}{{ end }}
*/
package cmd
import (
"fmt"
"github.com/spf13/cobra"
)
// {{ .CmdName }}Cmd represents the {{ .CmdName }} command
var {{ .CmdName }}Cmd = &cobra.Command{
Use: "{{ .CmdName }}",
Short: "A brief description of your command",
Long: ` + "`" + `A longer description that spans multiple lines and likely contains examples
and usage of using your command. For example:
Cobra is a CLI library for Go that empowers applications.
This application is a tool to generate the needed files
to quickly create a Cobra application.` + "`" + `,
Run: func(cmd *cobra.Command, args []string) {
fmt.Println("{{ .CmdName }} called")
},
}
func init() {
{{ .CmdParent }}.AddCommand({{ .CmdName }}Cmd)
// Here you will define your flags and configuration settings.
// Cobra supports Persistent Flags which will work for this command
// and all subcommands, e.g.:
// {{ .CmdName }}Cmd.PersistentFlags().String("foo", "", "A help for foo")
// Cobra supports local flags which will only run when this command
// is called directly, e.g.:
// {{ .CmdName }}Cmd.Flags().BoolP("toggle", "t", false, "Help message for toggle")
}
`)
}

View file

@ -1,3 +1,17 @@
// Copyright 2013-2023 The Cobra Authors
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package cobra
import (
@ -26,3 +40,185 @@ func TestAddTemplateFunctions(t *testing.T) {
t.Errorf("Expected UsageString: %v\nGot: %v", expected, got)
}
}
func TestLevenshteinDistance(t *testing.T) {
tests := []struct {
name string
s string
t string
ignoreCase bool
expected int
}{
{
name: "Equal strings (case-sensitive)",
s: "hello",
t: "hello",
ignoreCase: false,
expected: 0,
},
{
name: "Equal strings (case-insensitive)",
s: "Hello",
t: "hello",
ignoreCase: true,
expected: 0,
},
{
name: "Different strings (case-sensitive)",
s: "kitten",
t: "sitting",
ignoreCase: false,
expected: 3,
},
{
name: "Different strings (case-insensitive)",
s: "Kitten",
t: "Sitting",
ignoreCase: true,
expected: 3,
},
{
name: "Empty strings",
s: "",
t: "",
ignoreCase: false,
expected: 0,
},
{
name: "One empty string",
s: "abc",
t: "",
ignoreCase: false,
expected: 3,
},
{
name: "Both empty strings",
s: "",
t: "",
ignoreCase: true,
expected: 0,
},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
// Act
got := ld(tt.s, tt.t, tt.ignoreCase)
// Assert
if got != tt.expected {
t.Errorf("Expected ld: %v\nGot: %v", tt.expected, got)
}
})
}
}
func TestStringInSlice(t *testing.T) {
tests := []struct {
name string
a string
list []string
expected bool
}{
{
name: "String in slice (case-sensitive)",
a: "apple",
list: []string{"orange", "banana", "apple", "grape"},
expected: true,
},
{
name: "String not in slice (case-sensitive)",
a: "pear",
list: []string{"orange", "banana", "apple", "grape"},
expected: false,
},
{
name: "String in slice (case-insensitive)",
a: "APPLE",
list: []string{"orange", "banana", "apple", "grape"},
expected: false,
},
{
name: "Empty slice",
a: "apple",
list: []string{},
expected: false,
},
{
name: "Empty string",
a: "",
list: []string{"orange", "banana", "apple", "grape"},
expected: false,
},
{
name: "Empty strings match",
a: "",
list: []string{"orange", ""},
expected: true,
},
{
name: "Empty string in empty slice",
a: "",
list: []string{},
expected: false,
},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
// Act
got := stringInSlice(tt.a, tt.list)
// Assert
if got != tt.expected {
t.Errorf("Expected stringInSlice: %v\nGot: %v", tt.expected, got)
}
})
}
}
func TestRpad(t *testing.T) {
tests := []struct {
name string
inputString string
padding int
expected string
}{
{
name: "Padding required",
inputString: "Hello",
padding: 10,
expected: "Hello ",
},
{
name: "No padding required",
inputString: "World",
padding: 5,
expected: "World",
},
{
name: "Empty string",
inputString: "",
padding: 8,
expected: " ",
},
{
name: "Zero padding",
inputString: "cobra",
padding: 0,
expected: "cobra",
},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
// Act
got := rpad(tt.inputString, tt.padding)
// Assert
if got != tt.expected {
t.Errorf("Expected rpad: %v\nGot: %v", tt.expected, got)
}
})
}
}

View file

@ -1,9 +1,10 @@
// Copyright © 2013 Steve Francia <spf@spf13.com>.
// Copyright 2013-2023 The Cobra Authors
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
// http://www.apache.org/licenses/LICENSE-2.0
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
@ -18,6 +19,7 @@ package cobra
import (
"bytes"
"context"
"errors"
"fmt"
"io"
"os"
@ -28,16 +30,27 @@ import (
flag "github.com/spf13/pflag"
)
const (
FlagSetByCobraAnnotation = "cobra_annotation_flag_set_by_cobra"
CommandDisplayNameAnnotation = "cobra_annotation_command_display_name"
)
// FParseErrWhitelist configures Flag parse errors to be ignored
type FParseErrWhitelist flag.ParseErrorsWhitelist
// Group Structure to manage groups for commands
type Group struct {
ID string
Title string
}
// Command is just that, a command for your application.
// E.g. 'go run ...' - 'run' is the command. Cobra requires
// you to define the usage and description as part of your command
// definition to ensure usability.
type Command struct {
// Use is the one-line usage message.
// Recommended syntax is as follow:
// Recommended syntax is as follows:
// [ ] identifies an optional argument. Arguments that are not enclosed in brackets are required.
// ... indicates that you can specify multiple values for the previous argument.
// | indicates mutually exclusive information. You can use the argument to the left of the separator or the
@ -57,6 +70,9 @@ type Command struct {
// Short is the short description shown in the 'help' output.
Short string
// The group id under which this subcommand is grouped in the 'help' output of its parent.
GroupID string
// Long is the long message shown in the 'help <this-command>' output.
Long string
@ -86,7 +102,7 @@ type Command struct {
Deprecated string
// Annotations are key/value pairs that can be used by applications to identify or
// group commands.
// group commands or set special options.
Annotations map[string]string
// Version defines the version for this command. If this value is non-empty and the command does not
@ -102,6 +118,8 @@ type Command struct {
// * PostRun()
// * PersistentPostRun()
// All functions get the same args, the arguments after the command name.
// The *PreRun and *PostRun functions will only be executed if the Run function of the current
// command has been declared.
//
// PersistentPreRun: children of this command will inherit and execute.
PersistentPreRun func(cmd *Command, args []string)
@ -124,6 +142,9 @@ type Command struct {
// PersistentPostRunE: PersistentPostRun but returns an error.
PersistentPostRunE func(cmd *Command, args []string) error
// groups for subcommands
commandgroups []*Group
// args is actual args parsed from flags.
args []string
// flagErrorBuf contains all error messages from pflag.
@ -133,8 +154,10 @@ type Command struct {
// pflags contains persistent flags.
pflags *flag.FlagSet
// lflags contains local flags.
// This field does not represent internal state, it's used as a cache to optimise LocalFlags function call
lflags *flag.FlagSet
// iflags contains inherited flags.
// This field does not represent internal state, it's used as a cache to optimise InheritedFlags function call
iflags *flag.FlagSet
// parentsPflags is all persistent flags of cmd's parents.
parentsPflags *flag.FlagSet
@ -156,9 +179,18 @@ type Command struct {
// helpCommand is command with usage 'help'. If it's not defined by user,
// cobra uses default help command.
helpCommand *Command
// helpCommandGroupID is the group id for the helpCommand
helpCommandGroupID string
// completionCommandGroupID is the group id for the completion command
completionCommandGroupID string
// versionTemplate is the version template defined by user.
versionTemplate string
// errPrefix is the error message prefix defined by user.
errPrefix string
// inReader is a reader defined by the user that replaces stdin
inReader io.Reader
// outWriter is a writer defined by the user that replaces stdout
@ -166,7 +198,7 @@ type Command struct {
// errWriter is a writer defined by the user that replaces stderr
errWriter io.Writer
//FParseErrWhitelist flag parse errors to be ignored
// FParseErrWhitelist flag parse errors to be ignored
FParseErrWhitelist FParseErrWhitelist
// CompletionOptions is a set of options to control the handling of shell completion
@ -224,12 +256,23 @@ type Command struct {
SuggestionsMinimumDistance int
}
// Context returns underlying command context. If command wasn't
// executed with ExecuteContext Context returns Background context.
// Context returns underlying command context. If command was executed
// with ExecuteContext or the context was set with SetContext, the
// previously set context will be returned. Otherwise, nil is returned.
//
// Notice that a call to Execute and ExecuteC will replace a nil context of
// a command with a context.Background, so a background context will be
// returned by Context after one of these functions has been called.
func (c *Command) Context() context.Context {
return c.ctx
}
// SetContext sets context for the command. This context will be overwritten by
// Command.ExecuteContext or Command.ExecuteContextC.
func (c *Command) SetContext(ctx context.Context) {
c.ctx = ctx
}
// SetArgs sets arguments for the command. It is set to os.Args[1:] by default, if desired, can be overridden
// particularly useful when testing.
func (c *Command) SetArgs(a []string) {
@ -288,6 +331,21 @@ func (c *Command) SetHelpCommand(cmd *Command) {
c.helpCommand = cmd
}
// SetHelpCommandGroupID sets the group id of the help command.
func (c *Command) SetHelpCommandGroupID(groupID string) {
if c.helpCommand != nil {
c.helpCommand.GroupID = groupID
}
// helpCommandGroupID is used if no helpCommand is defined by the user
c.helpCommandGroupID = groupID
}
// SetCompletionCommandGroupID sets the group id of the completion command.
func (c *Command) SetCompletionCommandGroupID(groupID string) {
// completionCommandGroupID is used if no completion command is defined by the user
c.Root().completionCommandGroupID = groupID
}
// SetHelpTemplate sets help template to be used. Application can use it to set custom template.
func (c *Command) SetHelpTemplate(s string) {
c.helpTemplate = s
@ -298,6 +356,11 @@ func (c *Command) SetVersionTemplate(s string) {
c.versionTemplate = s
}
// SetErrPrefix sets error message prefix to be used. Application can use it to set custom prefix.
func (c *Command) SetErrPrefix(s string) {
c.errPrefix = s
}
// SetGlobalNormalizationFunc sets a normalization function to all flag sets and also to child commands.
// The user should not have a cyclic dependency on commands.
func (c *Command) SetGlobalNormalizationFunc(n func(f *flag.FlagSet, name string) flag.NormalizedName) {
@ -496,10 +559,16 @@ Aliases:
{{.NameAndAliases}}{{end}}{{if .HasExample}}
Examples:
{{.Example}}{{end}}{{if .HasAvailableSubCommands}}
{{.Example}}{{end}}{{if .HasAvailableSubCommands}}{{$cmds := .Commands}}{{if eq (len .Groups) 0}}
Available Commands:{{range .Commands}}{{if (or .IsAvailableCommand (eq .Name "help"))}}
{{rpad .Name .NamePadding }} {{.Short}}{{end}}{{end}}{{end}}{{if .HasAvailableLocalFlags}}
Available Commands:{{range $cmds}}{{if (or .IsAvailableCommand (eq .Name "help"))}}
{{rpad .Name .NamePadding }} {{.Short}}{{end}}{{end}}{{else}}{{range $group := .Groups}}
{{.Title}}{{range $cmds}}{{if (and (eq .GroupID $group.ID) (or .IsAvailableCommand (eq .Name "help")))}}
{{rpad .Name .NamePadding }} {{.Short}}{{end}}{{end}}{{end}}{{if not .AllChildCommandsHaveGroup}}
Additional Commands:{{range $cmds}}{{if (and (eq .GroupID "") (or .IsAvailableCommand (eq .Name "help")))}}
{{rpad .Name .NamePadding }} {{.Short}}{{end}}{{end}}{{end}}{{end}}{{end}}{{if .HasAvailableLocalFlags}}
Flags:
{{.LocalFlags.FlagUsages | trimTrailingWhitespaces}}{{end}}{{if .HasAvailableInheritedFlags}}
@ -541,6 +610,18 @@ func (c *Command) VersionTemplate() string {
`
}
// ErrPrefix return error message prefix for the command
func (c *Command) ErrPrefix() string {
if c.errPrefix != "" {
return c.errPrefix
}
if c.HasParent() {
return c.parent.ErrPrefix()
}
return "Error:"
}
func hasNoOptDefVal(name string, fs *flag.FlagSet) bool {
flag := fs.Lookup(name)
if flag == nil {
@ -601,20 +682,44 @@ Loop:
// argsMinusFirstX removes only the first x from args. Otherwise, commands that look like
// openshift admin policy add-role-to-user admin my-user, lose the admin argument (arg[4]).
func argsMinusFirstX(args []string, x string) []string {
for i, y := range args {
if x == y {
ret := []string{}
ret = append(ret, args[:i]...)
ret = append(ret, args[i+1:]...)
return ret
// Special care needs to be taken not to remove a flag value.
func (c *Command) argsMinusFirstX(args []string, x string) []string {
if len(args) == 0 {
return args
}
c.mergePersistentFlags()
flags := c.Flags()
Loop:
for pos := 0; pos < len(args); pos++ {
s := args[pos]
switch {
case s == "--":
// -- means we have reached the end of the parseable args. Break out of the loop now.
break Loop
case strings.HasPrefix(s, "--") && !strings.Contains(s, "=") && !hasNoOptDefVal(s[2:], flags):
fallthrough
case strings.HasPrefix(s, "-") && !strings.Contains(s, "=") && len(s) == 2 && !shortHasNoOptDefVal(s[1:], flags):
// This is a flag without a default value, and an equal sign is not used. Increment pos in order to skip
// over the next arg, because that is the value of this flag.
pos++
continue
case !strings.HasPrefix(s, "-"):
// This is not a flag or a flag value. Check to see if it matches what we're looking for, and if so,
// return the args, excluding the one at this position.
if s == x {
ret := make([]string, 0, len(args)-1)
ret = append(ret, args[:pos]...)
ret = append(ret, args[pos+1:]...)
return ret
}
}
}
return args
}
func isFlagArg(arg string) bool {
return ((len(arg) >= 3 && arg[1] == '-') ||
return ((len(arg) >= 3 && arg[0:2] == "--") ||
(len(arg) >= 2 && arg[0] == '-' && arg[1] != '-'))
}
@ -632,7 +737,7 @@ func (c *Command) Find(args []string) (*Command, []string, error) {
cmd := c.findNext(nextSubCmd)
if cmd != nil {
return innerfind(cmd, argsMinusFirstX(innerArgs, nextSubCmd))
return innerfind(cmd, c.argsMinusFirstX(innerArgs, nextSubCmd))
}
return c, innerArgs
}
@ -651,20 +756,20 @@ func (c *Command) findSuggestions(arg string) string {
if c.SuggestionsMinimumDistance <= 0 {
c.SuggestionsMinimumDistance = 2
}
suggestionsString := ""
var sb strings.Builder
if suggestions := c.SuggestionsFor(arg); len(suggestions) > 0 {
suggestionsString += "\n\nDid you mean this?\n"
sb.WriteString("\n\nDid you mean this?\n")
for _, s := range suggestions {
suggestionsString += fmt.Sprintf("\t%v\n", s)
_, _ = fmt.Fprintf(&sb, "\t%v\n", s)
}
}
return suggestionsString
return sb.String()
}
func (c *Command) findNext(next string) *Command {
matches := make([]*Command, 0)
for _, cmd := range c.commands {
if cmd.Name() == next || cmd.HasAlias(next) {
if commandNameMatches(cmd.Name(), next) || cmd.HasAlias(next) {
cmd.commandCalledAs.name = next
return cmd
}
@ -674,7 +779,9 @@ func (c *Command) findNext(next string) *Command {
}
if len(matches) == 1 {
return matches[0]
// Temporarily disable gosec G602, which produces a false positive.
// See https://github.com/securego/gosec/issues/1005.
return matches[0] // #nosec G602
}
return nil
@ -768,7 +875,7 @@ func (c *Command) ArgsLenAtDash() int {
func (c *Command) execute(a []string) (err error) {
if c == nil {
return fmt.Errorf("Called Execute() on a nil Command")
return fmt.Errorf("called Execute() on a nil Command")
}
if len(c.Deprecated) > 0 {
@ -821,6 +928,8 @@ func (c *Command) execute(a []string) (err error) {
c.preRun()
defer c.postRun()
argWoFlags := c.Flags().Args()
if c.DisableFlagParsing {
argWoFlags = a
@ -830,15 +939,31 @@ func (c *Command) execute(a []string) (err error) {
return err
}
parents := make([]*Command, 0, 5)
for p := c; p != nil; p = p.Parent() {
if EnableTraverseRunHooks {
// When EnableTraverseRunHooks is set:
// - Execute all persistent pre-runs from the root parent till this command.
// - Execute all persistent post-runs from this command till the root parent.
parents = append([]*Command{p}, parents...)
} else {
// Otherwise, execute only the first found persistent hook.
parents = append(parents, p)
}
}
for _, p := range parents {
if p.PersistentPreRunE != nil {
if err := p.PersistentPreRunE(c, argWoFlags); err != nil {
return err
}
break
if !EnableTraverseRunHooks {
break
}
} else if p.PersistentPreRun != nil {
p.PersistentPreRun(c, argWoFlags)
break
if !EnableTraverseRunHooks {
break
}
}
}
if c.PreRunE != nil {
@ -849,9 +974,13 @@ func (c *Command) execute(a []string) (err error) {
c.PreRun(c, argWoFlags)
}
if err := c.validateRequiredFlags(); err != nil {
if err := c.ValidateRequiredFlags(); err != nil {
return err
}
if err := c.ValidateFlagGroups(); err != nil {
return err
}
if c.RunE != nil {
if err := c.RunE(c, argWoFlags); err != nil {
return err
@ -871,10 +1000,14 @@ func (c *Command) execute(a []string) (err error) {
if err := p.PersistentPostRunE(c, argWoFlags); err != nil {
return err
}
break
if !EnableTraverseRunHooks {
break
}
} else if p.PersistentPostRun != nil {
p.PersistentPostRun(c, argWoFlags)
break
if !EnableTraverseRunHooks {
break
}
}
}
@ -887,6 +1020,12 @@ func (c *Command) preRun() {
}
}
func (c *Command) postRun() {
for _, x := range finalizers {
x()
}
}
// ExecuteContext is the same as Execute(), but sets the ctx on the command.
// Retrieve ctx by calling cmd.Context() inside your *Run lifecycle or ValidArgs
// functions.
@ -930,7 +1069,11 @@ func (c *Command) ExecuteC() (cmd *Command, err error) {
// initialize help at the last point to allow for user overriding
c.InitDefaultHelpCmd()
// initialize completion at the last point to allow for user overriding
c.initDefaultCompletionCmd()
c.InitDefaultCompletionCmd()
// Now that all commands have been created, let's make sure all groups
// are properly created also
c.checkCommandGroups()
args := c.args
@ -954,7 +1097,7 @@ func (c *Command) ExecuteC() (cmd *Command, err error) {
c = cmd
}
if !c.SilenceErrors {
c.PrintErrln("Error:", err.Error())
c.PrintErrln(c.ErrPrefix(), err.Error())
c.PrintErrf("Run '%v --help' for usage.\n", c.CommandPath())
}
return c, err
@ -975,7 +1118,7 @@ func (c *Command) ExecuteC() (cmd *Command, err error) {
if err != nil {
// Always show help if requested, even if SilenceErrors is in
// effect
if err == flag.ErrHelp {
if errors.Is(err, flag.ErrHelp) {
cmd.HelpFunc()(cmd, args)
return cmd, nil
}
@ -983,7 +1126,7 @@ func (c *Command) ExecuteC() (cmd *Command, err error) {
// If root command has SilenceErrors flagged,
// all subcommands should respect it
if !cmd.SilenceErrors && !c.SilenceErrors {
c.PrintErrln("Error:", err.Error())
c.PrintErrln(cmd.ErrPrefix(), err.Error())
}
// If root command has SilenceUsage flagged,
@ -997,12 +1140,13 @@ func (c *Command) ExecuteC() (cmd *Command, err error) {
func (c *Command) ValidateArgs(args []string) error {
if c.Args == nil {
return nil
return ArbitraryArgs(c, args)
}
return c.Args(c, args)
}
func (c *Command) validateRequiredFlags() error {
// ValidateRequiredFlags validates all required flags are present and returns an error otherwise
func (c *Command) ValidateRequiredFlags() error {
if c.DisableFlagParsing {
return nil
}
@ -1025,6 +1169,19 @@ func (c *Command) validateRequiredFlags() error {
return nil
}
// checkCommandGroups checks if a command has been added to a group that does not exists.
// If so, we panic because it indicates a coding error that should be corrected.
func (c *Command) checkCommandGroups() {
for _, sub := range c.commands {
// if Group is not defined let the developer know right away
if sub.GroupID != "" && !c.ContainsGroup(sub.GroupID) {
panic(fmt.Sprintf("group id '%s' is not defined for subcommand '%s'", sub.GroupID, sub.CommandPath()))
}
sub.checkCommandGroups()
}
}
// InitDefaultHelpFlag adds default help flag to c.
// It is called automatically by executing the c or by calling help and usage.
// If c already has help flag, it will do nothing.
@ -1032,12 +1189,14 @@ func (c *Command) InitDefaultHelpFlag() {
c.mergePersistentFlags()
if c.Flags().Lookup("help") == nil {
usage := "help for "
if c.Name() == "" {
name := c.displayName()
if name == "" {
usage += "this command"
} else {
usage += c.Name()
usage += name
}
c.Flags().BoolP("help", "h", false, usage)
_ = c.Flags().SetAnnotation("help", FlagSetByCobraAnnotation, []string{"true"})
}
}
@ -1063,6 +1222,7 @@ func (c *Command) InitDefaultVersionFlag() {
} else {
c.Flags().Bool("version", false, usage)
}
_ = c.Flags().SetAnnotation("version", FlagSetByCobraAnnotation, []string{"true"})
}
}
@ -1079,7 +1239,7 @@ func (c *Command) InitDefaultHelpCmd() {
Use: "help [command]",
Short: "Help about any command",
Long: `Help provides help for any command in the application.
Simply type ` + c.Name() + ` help [path to command] for full details.`,
Simply type ` + c.displayName() + ` help [path to command] for full details.`,
ValidArgsFunction: func(c *Command, args []string, toComplete string) ([]string, ShellCompDirective) {
var completions []string
cmd, _, e := c.Root().Find(args)
@ -1105,10 +1265,12 @@ Simply type ` + c.Name() + ` help [path to command] for full details.`,
c.Printf("Unknown help topic %#q\n", args)
CheckErr(c.Root().Usage())
} else {
cmd.InitDefaultHelpFlag() // make possible 'help' flag to be shown
cmd.InitDefaultHelpFlag() // make possible 'help' flag to be shown
cmd.InitDefaultVersionFlag() // make possible 'version' flag to be shown
CheckErr(cmd.Help())
}
},
GroupID: c.helpCommandGroupID,
}
}
c.RemoveCommand(c.helpCommand)
@ -1169,6 +1331,36 @@ func (c *Command) AddCommand(cmds ...*Command) {
}
}
// Groups returns a slice of child command groups.
func (c *Command) Groups() []*Group {
return c.commandgroups
}
// AllChildCommandsHaveGroup returns if all subcommands are assigned to a group
func (c *Command) AllChildCommandsHaveGroup() bool {
for _, sub := range c.commands {
if (sub.IsAvailableCommand() || sub == c.helpCommand) && sub.GroupID == "" {
return false
}
}
return true
}
// ContainsGroup return if groupID exists in the list of command groups.
func (c *Command) ContainsGroup(groupID string) bool {
for _, x := range c.commandgroups {
if x.ID == groupID {
return true
}
}
return false
}
// AddGroup adds one or more command groups to this parent command.
func (c *Command) AddGroup(groups ...*Group) {
c.commandgroups = append(c.commandgroups, groups...)
}
// RemoveCommand removes one or more commands from a parent command.
func (c *Command) RemoveCommand(cmds ...*Command) {
commands := []*Command{}
@ -1238,16 +1430,24 @@ func (c *Command) CommandPath() string {
if c.HasParent() {
return c.Parent().CommandPath() + " " + c.Name()
}
return c.displayName()
}
func (c *Command) displayName() string {
if displayName, ok := c.Annotations[CommandDisplayNameAnnotation]; ok {
return displayName
}
return c.Name()
}
// UseLine puts out the full usage for a given command (including parents).
func (c *Command) UseLine() string {
var useline string
use := strings.Replace(c.Use, c.Name(), c.displayName(), 1)
if c.HasParent() {
useline = c.parent.CommandPath() + " " + c.Use
useline = c.parent.CommandPath() + " " + use
} else {
useline = c.Use
useline = use
}
if c.DisableFlagsInUseLine {
return useline
@ -1312,7 +1512,7 @@ func (c *Command) Name() string {
// HasAlias determines if a given string is an alias of the command.
func (c *Command) HasAlias(s string) bool {
for _, a := range c.Aliases {
if a == s {
if commandNameMatches(a, s) {
return true
}
}
@ -1449,7 +1649,7 @@ func (c *Command) GlobalNormalizationFunc() func(f *flag.FlagSet, name string) f
// to this command (local and persistent declared here and by all parents).
func (c *Command) Flags() *flag.FlagSet {
if c.flags == nil {
c.flags = flag.NewFlagSet(c.Name(), flag.ContinueOnError)
c.flags = flag.NewFlagSet(c.displayName(), flag.ContinueOnError)
if c.flagErrorBuf == nil {
c.flagErrorBuf = new(bytes.Buffer)
}
@ -1460,10 +1660,11 @@ func (c *Command) Flags() *flag.FlagSet {
}
// LocalNonPersistentFlags are flags specific to this command which will NOT persist to subcommands.
// This function does not modify the flags of the current command, it's purpose is to return the current state.
func (c *Command) LocalNonPersistentFlags() *flag.FlagSet {
persistentFlags := c.PersistentFlags()
out := flag.NewFlagSet(c.Name(), flag.ContinueOnError)
out := flag.NewFlagSet(c.displayName(), flag.ContinueOnError)
c.LocalFlags().VisitAll(func(f *flag.Flag) {
if persistentFlags.Lookup(f.Name) == nil {
out.AddFlag(f)
@ -1473,11 +1674,12 @@ func (c *Command) LocalNonPersistentFlags() *flag.FlagSet {
}
// LocalFlags returns the local FlagSet specifically set in the current command.
// This function does not modify the flags of the current command, it's purpose is to return the current state.
func (c *Command) LocalFlags() *flag.FlagSet {
c.mergePersistentFlags()
if c.lflags == nil {
c.lflags = flag.NewFlagSet(c.Name(), flag.ContinueOnError)
c.lflags = flag.NewFlagSet(c.displayName(), flag.ContinueOnError)
if c.flagErrorBuf == nil {
c.flagErrorBuf = new(bytes.Buffer)
}
@ -1489,7 +1691,8 @@ func (c *Command) LocalFlags() *flag.FlagSet {
}
addToLocal := func(f *flag.Flag) {
if c.lflags.Lookup(f.Name) == nil && c.parentsPflags.Lookup(f.Name) == nil {
// Add the flag if it is not a parent PFlag, or it shadows a parent PFlag
if c.lflags.Lookup(f.Name) == nil && f != c.parentsPflags.Lookup(f.Name) {
c.lflags.AddFlag(f)
}
}
@ -1499,11 +1702,12 @@ func (c *Command) LocalFlags() *flag.FlagSet {
}
// InheritedFlags returns all flags which were inherited from parent commands.
// This function does not modify the flags of the current command, it's purpose is to return the current state.
func (c *Command) InheritedFlags() *flag.FlagSet {
c.mergePersistentFlags()
if c.iflags == nil {
c.iflags = flag.NewFlagSet(c.Name(), flag.ContinueOnError)
c.iflags = flag.NewFlagSet(c.displayName(), flag.ContinueOnError)
if c.flagErrorBuf == nil {
c.flagErrorBuf = new(bytes.Buffer)
}
@ -1524,6 +1728,7 @@ func (c *Command) InheritedFlags() *flag.FlagSet {
}
// NonInheritedFlags returns all flags which were not inherited from parent commands.
// This function does not modify the flags of the current command, it's purpose is to return the current state.
func (c *Command) NonInheritedFlags() *flag.FlagSet {
return c.LocalFlags()
}
@ -1531,7 +1736,7 @@ func (c *Command) NonInheritedFlags() *flag.FlagSet {
// PersistentFlags returns the persistent FlagSet specifically set in the current command.
func (c *Command) PersistentFlags() *flag.FlagSet {
if c.pflags == nil {
c.pflags = flag.NewFlagSet(c.Name(), flag.ContinueOnError)
c.pflags = flag.NewFlagSet(c.displayName(), flag.ContinueOnError)
if c.flagErrorBuf == nil {
c.flagErrorBuf = new(bytes.Buffer)
}
@ -1544,9 +1749,9 @@ func (c *Command) PersistentFlags() *flag.FlagSet {
func (c *Command) ResetFlags() {
c.flagErrorBuf = new(bytes.Buffer)
c.flagErrorBuf.Reset()
c.flags = flag.NewFlagSet(c.Name(), flag.ContinueOnError)
c.flags = flag.NewFlagSet(c.displayName(), flag.ContinueOnError)
c.flags.SetOutput(c.flagErrorBuf)
c.pflags = flag.NewFlagSet(c.Name(), flag.ContinueOnError)
c.pflags = flag.NewFlagSet(c.displayName(), flag.ContinueOnError)
c.pflags.SetOutput(c.flagErrorBuf)
c.lflags = nil
@ -1663,7 +1868,7 @@ func (c *Command) mergePersistentFlags() {
// If c.parentsPflags == nil, it makes new.
func (c *Command) updateParentsPflags() {
if c.parentsPflags == nil {
c.parentsPflags = flag.NewFlagSet(c.Name(), flag.ContinueOnError)
c.parentsPflags = flag.NewFlagSet(c.displayName(), flag.ContinueOnError)
c.parentsPflags.SetOutput(c.flagErrorBuf)
c.parentsPflags.SortFlags = false
}
@ -1678,3 +1883,14 @@ func (c *Command) updateParentsPflags() {
c.parentsPflags.AddFlagSet(parent.PersistentFlags())
})
}
// commandNameMatches checks if two command names are equal
// taking into account case sensitivity according to
// EnableCaseInsensitive global configuration.
func commandNameMatches(s string, t string) bool {
if EnableCaseInsensitive {
return strings.EqualFold(s, t)
}
return s == t
}

View file

@ -1,3 +1,17 @@
// Copyright 2013-2023 The Cobra Authors
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
//go:build !windows
// +build !windows

File diff suppressed because it is too large Load diff

View file

@ -1,3 +1,17 @@
// Copyright 2013-2023 The Cobra Authors
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
//go:build windows
// +build windows

View file

@ -1,8 +1,24 @@
// Copyright 2013-2023 The Cobra Authors
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package cobra
import (
"fmt"
"os"
"regexp"
"strconv"
"strings"
"sync"
@ -63,6 +79,10 @@ const (
// obtain the same behavior but only for flags.
ShellCompDirectiveFilterDirs
// ShellCompDirectiveKeepOrder indicates that the shell should preserve the order
// in which the completions are provided
ShellCompDirectiveKeepOrder
// ===========================================================================
// All directives using iota should be above this one.
@ -103,6 +123,14 @@ func NoFileCompletions(cmd *Command, args []string, toComplete string) ([]string
return nil, ShellCompDirectiveNoFileComp
}
// FixedCompletions can be used to create a completion function which always
// returns the same results.
func FixedCompletions(choices []string, directive ShellCompDirective) func(cmd *Command, args []string, toComplete string) ([]string, ShellCompDirective) {
return func(cmd *Command, args []string, toComplete string) ([]string, ShellCompDirective) {
return choices, directive
}
}
// RegisterFlagCompletionFunc should be called to register a function to provide completion for a flag.
func (c *Command) RegisterFlagCompletionFunc(flagName string, f func(cmd *Command, args []string, toComplete string) ([]string, ShellCompDirective)) error {
flag := c.Flag(flagName)
@ -119,6 +147,20 @@ func (c *Command) RegisterFlagCompletionFunc(flagName string, f func(cmd *Comman
return nil
}
// GetFlagCompletionFunc returns the completion function for the given flag of the command, if available.
func (c *Command) GetFlagCompletionFunc(flagName string) (func(*Command, []string, string) ([]string, ShellCompDirective), bool) {
flag := c.Flag(flagName)
if flag == nil {
return nil, false
}
flagCompletionMutex.RLock()
defer flagCompletionMutex.RUnlock()
completionFunc, exists := flagCompletionFunctions[flag]
return completionFunc, exists
}
// Returns a string listing the different directive enabled in the specified parameter
func (d ShellCompDirective) string() string {
var directives []string
@ -137,6 +179,9 @@ func (d ShellCompDirective) string() string {
if d&ShellCompDirectiveFilterDirs != 0 {
directives = append(directives, "ShellCompDirectiveFilterDirs")
}
if d&ShellCompDirectiveKeepOrder != 0 {
directives = append(directives, "ShellCompDirectiveKeepOrder")
}
if len(directives) == 0 {
directives = append(directives, "ShellCompDirectiveDefault")
}
@ -147,7 +192,7 @@ func (d ShellCompDirective) string() string {
return strings.Join(directives, ", ")
}
// Adds a special hidden command that can be used to request custom completions.
// initCompleteCmd adds a special hidden command that can be used to request custom completions.
func (c *Command) initCompleteCmd(args []string) {
completeCmd := &Command{
Use: fmt.Sprintf("%s [command-line]", ShellCompRequestCmd),
@ -168,18 +213,29 @@ func (c *Command) initCompleteCmd(args []string) {
// 2- Even without completions, we need to print the directive
}
noDescriptions := (cmd.CalledAs() == ShellCompNoDescRequestCmd)
noDescriptions := cmd.CalledAs() == ShellCompNoDescRequestCmd
if !noDescriptions {
if doDescriptions, err := strconv.ParseBool(getEnvConfig(cmd, configEnvVarSuffixDescriptions)); err == nil {
noDescriptions = !doDescriptions
}
}
noActiveHelp := GetActiveHelpConfig(finalCmd) == activeHelpGlobalDisable
out := finalCmd.OutOrStdout()
for _, comp := range completions {
if noActiveHelp && strings.HasPrefix(comp, activeHelpMarker) {
// Remove all activeHelp entries if it's disabled.
continue
}
if noDescriptions {
// Remove any description that may be included following a tab character.
comp = strings.Split(comp, "\t")[0]
comp = strings.SplitN(comp, "\t", 2)[0]
}
// Make sure we only write the first line to the output.
// This is needed if a description contains a linebreak.
// Otherwise the shell scripts will interpret the other lines as new flags
// and could therefore provide a wrong completion.
comp = strings.Split(comp, "\n")[0]
comp = strings.SplitN(comp, "\n", 2)[0]
// Finally trim the completion. This is especially important to get rid
// of a trailing tab when there are no description following it.
@ -188,14 +244,14 @@ func (c *Command) initCompleteCmd(args []string) {
// although there is no description).
comp = strings.TrimSpace(comp)
// Print each possible completion to stdout for the completion script to consume.
fmt.Fprintln(finalCmd.OutOrStdout(), comp)
// Print each possible completion to the output for the completion script to consume.
fmt.Fprintln(out, comp)
}
// As the last printout, print the completion directive for the completion script to parse.
// The directive integer must be that last character following a single colon (:).
// The completion script expects :<directive>
fmt.Fprintf(finalCmd.OutOrStdout(), ":%d\n", directive)
fmt.Fprintf(out, ":%d\n", directive)
// Print some helpful info to stderr for the user to understand.
// Output from stderr must be ignored by the completion script.
@ -242,10 +298,20 @@ func (c *Command) getCompletions(args []string) (*Command, []string, ShellCompDi
}
if err != nil {
// Unable to find the real command. E.g., <program> someInvalidCmd <TAB>
return c, []string{}, ShellCompDirectiveDefault, fmt.Errorf("Unable to find a command for arguments: %v", trimmedArgs)
return c, []string{}, ShellCompDirectiveDefault, fmt.Errorf("unable to find a command for arguments: %v", trimmedArgs)
}
finalCmd.ctx = c.ctx
// These flags are normally added when `execute()` is called on `finalCmd`,
// however, when doing completion, we don't call `finalCmd.execute()`.
// Let's add the --help and --version flag ourselves but only if the finalCmd
// has not disabled flag parsing; if flag parsing is disabled, it is up to the
// finalCmd itself to handle the completion of *all* flags.
if !finalCmd.DisableFlagParsing {
finalCmd.InitDefaultHelpFlag()
finalCmd.InitDefaultVersionFlag()
}
// Check if we are doing flag value completion before parsing the flags.
// This is important because if we are completing a flag value, we need to also
// remove the flag name argument from the list of finalArgs or else the parsing
@ -278,6 +344,12 @@ func (c *Command) getCompletions(args []string) (*Command, []string, ShellCompDi
}
}
// Look for the --help or --version flags. If they are present,
// there should be no further completions.
if helpOrVersionFlagPresent(finalCmd) {
return finalCmd, []string{}, ShellCompDirectiveNoFileComp, nil
}
// We only remove the flags from the arguments if DisableFlagParsing is not set.
// This is important for commands which have requested to do their own flag completion.
if !finalCmd.DisableFlagParsing {
@ -311,8 +383,11 @@ func (c *Command) getCompletions(args []string) (*Command, []string, ShellCompDi
var completions []string
var directive ShellCompDirective
// Enforce flag groups before doing flag completions
finalCmd.enforceFlagGroupsForCompletion()
// Note that we want to perform flagname completion even if finalCmd.DisableFlagParsing==true;
// doing this allows for completion of persistant flag names even for commands that disable flag parsing.
// doing this allows for completion of persistent flag names even for commands that disable flag parsing.
//
// When doing completion of a flag name, as soon as an argument starts with
// a '-' we know it is a flag. We cannot use isFlagArg() here as it requires
@ -339,6 +414,11 @@ func (c *Command) getCompletions(args []string) (*Command, []string, ShellCompDi
finalCmd.InheritedFlags().VisitAll(func(flag *pflag.Flag) {
doCompleteFlags(flag)
})
// Try to complete non-inherited flags even if DisableFlagParsing==true.
// This allows programs to tell Cobra about flags for completion even
// if the actual parsing of flags is not done by Cobra.
// For instance, Helm uses this to provide flag name completion for
// some of its plugins.
finalCmd.NonInheritedFlags().VisitAll(func(flag *pflag.Flag) {
doCompleteFlags(flag)
})
@ -446,6 +526,18 @@ func (c *Command) getCompletions(args []string) (*Command, []string, ShellCompDi
return finalCmd, completions, directive, nil
}
func helpOrVersionFlagPresent(cmd *Command) bool {
if versionFlag := cmd.Flags().Lookup("version"); versionFlag != nil &&
len(versionFlag.Annotations[FlagSetByCobraAnnotation]) > 0 && versionFlag.Changed {
return true
}
if helpFlag := cmd.Flags().Lookup("help"); helpFlag != nil &&
len(helpFlag.Annotations[FlagSetByCobraAnnotation]) > 0 && helpFlag.Changed {
return true
}
return false
}
func getFlagNameCompletions(flag *pflag.Flag, toComplete string) []string {
if nonCompletableFlag(flag) {
return []string{}
@ -590,12 +682,12 @@ func checkIfFlagCompletion(finalCmd *Command, args []string, lastArg string) (*p
return flag, trimmedArgs, lastArg, nil
}
// initDefaultCompletionCmd adds a default 'completion' command to c.
// InitDefaultCompletionCmd adds a default 'completion' command to c.
// This function will do nothing if any of the following is true:
// 1- the feature has been explicitly disabled by the program,
// 2- c has no subcommands (to avoid creating one),
// 3- c already has a 'completion' command provided by the program.
func (c *Command) initDefaultCompletionCmd() {
func (c *Command) InitDefaultCompletionCmd() {
if c.CompletionOptions.DisableDefaultCmd || !c.HasSubCommands() {
return
}
@ -618,6 +710,7 @@ See each sub-command's help for details on how to use the generated script.
Args: NoArgs,
ValidArgsFunction: NoFileCompletions,
Hidden: c.CompletionOptions.HiddenDefaultCmd,
GroupID: c.completionCommandGroupID,
}
c.AddCommand(completionCmd)
@ -644,7 +737,7 @@ To load completions for every new session, execute once:
#### macOS:
%[1]s completion bash > /usr/local/etc/bash_completion.d/%[1]s
%[1]s completion bash > $(brew --prefix)/etc/bash_completion.d/%[1]s
You will need to start a new shell for this setup to take effect.
`, c.Root().Name()),
@ -669,6 +762,10 @@ to enable it. You can execute the following once:
echo "autoload -U compinit; compinit" >> ~/.zshrc
To load completions in your current shell session:
source <(%[1]s completion zsh)
To load completions for every new session, execute once:
#### Linux:
@ -677,7 +774,7 @@ To load completions for every new session, execute once:
#### macOS:
%[1]s completion zsh > /usr/local/share/zsh/site-functions/_%[1]s
%[1]s completion zsh > $(brew --prefix)/share/zsh/site-functions/_%[1]s
You will need to start a new shell for this setup to take effect.
`, c.Root().Name()),
@ -809,3 +906,34 @@ func CompError(msg string) {
func CompErrorln(msg string) {
CompError(fmt.Sprintf("%s\n", msg))
}
// These values should not be changed: users will be using them explicitly.
const (
configEnvVarGlobalPrefix = "COBRA"
configEnvVarSuffixDescriptions = "COMPLETION_DESCRIPTIONS"
)
var configEnvVarPrefixSubstRegexp = regexp.MustCompile(`[^A-Z0-9_]`)
// configEnvVar returns the name of the program-specific configuration environment
// variable. It has the format <PROGRAM>_<SUFFIX> where <PROGRAM> is the name of the
// root command in upper case, with all non-ASCII-alphanumeric characters replaced by `_`.
func configEnvVar(name, suffix string) string {
// This format should not be changed: users will be using it explicitly.
v := strings.ToUpper(fmt.Sprintf("%s_%s", name, suffix))
v = configEnvVarPrefixSubstRegexp.ReplaceAllString(v, "_")
return v
}
// getEnvConfig returns the value of the configuration environment variable
// <PROGRAM>_<SUFFIX> where <PROGRAM> is the name of the root command in upper
// case, with all non-ASCII-alphanumeric characters replaced by `_`.
// If the value is empty or not set, the value of the environment variable
// COBRA_<SUFFIX> is returned instead.
func getEnvConfig(cmd *Command, suffix string) string {
v := os.Getenv(configEnvVar(cmd.Root().Name(), suffix))
if v == "" {
v = os.Getenv(configEnvVar(configEnvVarGlobalPrefix, suffix))
}
return v
}

File diff suppressed because it is too large Load diff

View file

@ -1,12 +0,0 @@
# Documentation generation
- [Man page docs](./man_docs.md)
- [Markdown docs](./md_docs.md)
- [Rest docs](./rest_docs.md)
- [Yaml docs](./yaml_docs.md)
## Options
### `DisableAutoGenTag`
You may set `cmd.DisableAutoGenTag = true`
to _entirely_ remove the auto generated string "Auto generated by spf13/cobra..."
from any documentation source.

View file

@ -1,3 +1,17 @@
// Copyright 2013-2023 The Cobra Authors
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package doc
import (

View file

@ -1,9 +1,10 @@
// Copyright 2015 Red Hat Inc. All rights reserved.
// Copyright 2013-2023 The Cobra Authors
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
// http://www.apache.org/licenses/LICENSE-2.0
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
@ -66,7 +67,7 @@ func GenManTreeFromOpts(cmd *cobra.Command, opts GenManTreeOptions) error {
if opts.CommandSeparator != "" {
separator = opts.CommandSeparator
}
basename := strings.Replace(cmd.CommandPath(), " ", separator, -1)
basename := strings.ReplaceAll(cmd.CommandPath(), " ", separator)
filename := filepath.Join(opts.Path, basename+"."+section)
f, err := os.Create(filename)
if err != nil {
@ -116,7 +117,7 @@ func GenMan(cmd *cobra.Command, header *GenManHeader, w io.Writer) error {
func fillHeader(header *GenManHeader, name string, disableAutoGen bool) error {
if header.Title == "" {
header.Title = strings.ToUpper(strings.Replace(name, " ", "\\-", -1))
header.Title = strings.ToUpper(strings.ReplaceAll(name, " ", "\\-"))
}
if header.Section == "" {
header.Section = "1"
@ -132,7 +133,7 @@ func fillHeader(header *GenManHeader, name string, disableAutoGen bool) error {
}
header.Date = &now
}
header.date = (*header.Date).Format("Jan 2006")
header.date = header.Date.Format("Jan 2006")
if header.Source == "" && !disableAutoGen {
header.Source = "Auto generated by spf13/cobra"
}
@ -203,7 +204,7 @@ func genMan(cmd *cobra.Command, header *GenManHeader) []byte {
cmd.InitDefaultHelpFlag()
// something like `rootcmd-subcmd1-subcmd2`
dashCommandName := strings.Replace(cmd.CommandPath(), " ", "-", -1)
dashCommandName := strings.ReplaceAll(cmd.CommandPath(), " ", "-")
buf := new(bytes.Buffer)
@ -218,7 +219,7 @@ func genMan(cmd *cobra.Command, header *GenManHeader) []byte {
seealsos := make([]string, 0)
if cmd.HasParent() {
parentPath := cmd.Parent().CommandPath()
dashParentPath := strings.Replace(parentPath, " ", "-", -1)
dashParentPath := strings.ReplaceAll(parentPath, " ", "-")
seealso := fmt.Sprintf("**%s(%s)**", dashParentPath, header.Section)
seealsos = append(seealsos, seealso)
cmd.VisitParents(func(c *cobra.Command) {

View file

@ -1,3 +1,17 @@
// Copyright 2013-2023 The Cobra Authors
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package doc
import (
@ -20,7 +34,7 @@ func assertNoErr(t *testing.T, e error) {
}
func translate(in string) string {
return strings.Replace(in, "-", "\\-", -1)
return strings.ReplaceAll(in, "-", "\\-")
}
func TestGenManDoc(t *testing.T) {
@ -38,7 +52,7 @@ func TestGenManDoc(t *testing.T) {
// Make sure parent has - in CommandPath() in SEE ALSO:
parentPath := echoCmd.Parent().CommandPath()
dashParentPath := strings.Replace(parentPath, " ", "-", -1)
dashParentPath := strings.ReplaceAll(parentPath, " ", "-")
expected := translate(dashParentPath)
expected = expected + "(" + header.Section + ")"
checkStringContains(t, output, expected)
@ -73,7 +87,7 @@ func TestGenManNoHiddenParents(t *testing.T) {
// Make sure parent has - in CommandPath() in SEE ALSO:
parentPath := echoCmd.Parent().CommandPath()
dashParentPath := strings.Replace(parentPath, " ", "-", -1)
dashParentPath := strings.ReplaceAll(parentPath, " ", "-")
expected := translate(dashParentPath)
expected = expected + "(" + header.Section + ")"
checkStringContains(t, output, expected)
@ -136,7 +150,7 @@ func TestGenManSeeAlso(t *testing.T) {
}
}
func TestManPrintFlagsHidesShortDeperecated(t *testing.T) {
func TestManPrintFlagsHidesShortDeprecated(t *testing.T) {
c := &cobra.Command{}
c.Flags().StringP("foo", "f", "default", "Foo flag")
assertNoErr(t, c.Flags().MarkShorthandDeprecated("foo", "don't use it no more"))

View file

@ -1,3 +1,17 @@
// Copyright 2013-2023 The Cobra Authors
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package doc_test
import (

View file

@ -1,9 +1,10 @@
//Copyright 2015 Red Hat Inc. All rights reserved.
// Copyright 2013-2023 The Cobra Authors
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
// http://www.apache.org/licenses/LICENSE-2.0
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
@ -26,6 +27,8 @@ import (
"github.com/spf13/cobra"
)
const markdownExtension = ".md"
func printOptions(buf *bytes.Buffer, cmd *cobra.Command, name string) error {
flags := cmd.NonInheritedFlags()
flags.SetOutput(buf)
@ -82,8 +85,8 @@ func GenMarkdownCustom(cmd *cobra.Command, w io.Writer, linkHandler func(string)
if cmd.HasParent() {
parent := cmd.Parent()
pname := parent.CommandPath()
link := pname + ".md"
link = strings.Replace(link, " ", "_", -1)
link := pname + markdownExtension
link = strings.ReplaceAll(link, " ", "_")
buf.WriteString(fmt.Sprintf("* [%s](%s)\t - %s\n", pname, linkHandler(link), parent.Short))
cmd.VisitParents(func(c *cobra.Command) {
if c.DisableAutoGenTag {
@ -100,8 +103,8 @@ func GenMarkdownCustom(cmd *cobra.Command, w io.Writer, linkHandler func(string)
continue
}
cname := name + " " + child.Name()
link := cname + ".md"
link = strings.Replace(link, " ", "_", -1)
link := cname + markdownExtension
link = strings.ReplaceAll(link, " ", "_")
buf.WriteString(fmt.Sprintf("* [%s](%s)\t - %s\n", cname, linkHandler(link), child.Short))
}
buf.WriteString("\n")
@ -125,7 +128,7 @@ func GenMarkdownTree(cmd *cobra.Command, dir string) error {
return GenMarkdownTreeCustom(cmd, dir, emptyStr, identity)
}
// GenMarkdownTreeCustom is the the same as GenMarkdownTree, but
// GenMarkdownTreeCustom is the same as GenMarkdownTree, but
// with custom filePrepender and linkHandler.
func GenMarkdownTreeCustom(cmd *cobra.Command, dir string, filePrepender, linkHandler func(string) string) error {
for _, c := range cmd.Commands() {
@ -137,7 +140,7 @@ func GenMarkdownTreeCustom(cmd *cobra.Command, dir string, filePrepender, linkHa
}
}
basename := strings.Replace(cmd.CommandPath(), " ", "_", -1) + ".md"
basename := strings.ReplaceAll(cmd.CommandPath(), " ", "_") + markdownExtension
filename := filepath.Join(dir, basename)
f, err := os.Create(filename)
if err != nil {

View file

@ -1,3 +1,17 @@
// Copyright 2013-2023 The Cobra Authors
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package doc
import (

View file

@ -1,9 +1,10 @@
//Copyright 2015 Red Hat Inc. All rights reserved.
// Copyright 2013-2023 The Cobra Authors
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
// http://www.apache.org/licenses/LICENSE-2.0
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
@ -47,7 +48,7 @@ func printOptionsReST(buf *bytes.Buffer, cmd *cobra.Command, name string) error
return nil
}
// linkHandler for default ReST hyperlink markup
// defaultLinkHandler for default ReST hyperlink markup
func defaultLinkHandler(name, ref string) string {
return fmt.Sprintf("`%s <%s.rst>`_", name, ref)
}
@ -70,7 +71,7 @@ func GenReSTCustom(cmd *cobra.Command, w io.Writer, linkHandler func(string, str
if len(long) == 0 {
long = short
}
ref := strings.Replace(name, " ", "_", -1)
ref := strings.ReplaceAll(name, " ", "_")
buf.WriteString(".. _" + ref + ":\n\n")
buf.WriteString(name + "\n")
@ -99,7 +100,7 @@ func GenReSTCustom(cmd *cobra.Command, w io.Writer, linkHandler func(string, str
if cmd.HasParent() {
parent := cmd.Parent()
pname := parent.CommandPath()
ref = strings.Replace(pname, " ", "_", -1)
ref = strings.ReplaceAll(pname, " ", "_")
buf.WriteString(fmt.Sprintf("* %s \t - %s\n", linkHandler(pname, ref), parent.Short))
cmd.VisitParents(func(c *cobra.Command) {
if c.DisableAutoGenTag {
@ -116,7 +117,7 @@ func GenReSTCustom(cmd *cobra.Command, w io.Writer, linkHandler func(string, str
continue
}
cname := name + " " + child.Name()
ref = strings.Replace(cname, " ", "_", -1)
ref = strings.ReplaceAll(cname, " ", "_")
buf.WriteString(fmt.Sprintf("* %s \t - %s\n", linkHandler(cname, ref), child.Short))
}
buf.WriteString("\n")
@ -139,7 +140,7 @@ func GenReSTTree(cmd *cobra.Command, dir string) error {
return GenReSTTreeCustom(cmd, dir, emptyStr, defaultLinkHandler)
}
// GenReSTTreeCustom is the the same as GenReSTTree, but
// GenReSTTreeCustom is the same as GenReSTTree, but
// with custom filePrepender and linkHandler.
func GenReSTTreeCustom(cmd *cobra.Command, dir string, filePrepender func(string) string, linkHandler func(string, string) string) error {
for _, c := range cmd.Commands() {
@ -151,7 +152,7 @@ func GenReSTTreeCustom(cmd *cobra.Command, dir string, filePrepender func(string
}
}
basename := strings.Replace(cmd.CommandPath(), " ", "_", -1) + ".rst"
basename := strings.ReplaceAll(cmd.CommandPath(), " ", "_") + ".rst"
filename := filepath.Join(dir, basename)
f, err := os.Create(filename)
if err != nil {
@ -168,7 +169,7 @@ func GenReSTTreeCustom(cmd *cobra.Command, dir string, filePrepender func(string
return nil
}
// adapted from: https://github.com/kr/text/blob/main/indent.go
// indentString adapted from: https://github.com/kr/text/blob/main/indent.go
func indentString(s, p string) string {
var res []byte
b := []byte(s)

View file

@ -1,3 +1,17 @@
// Copyright 2013-2023 The Cobra Authors
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package doc
import (

View file

@ -1,9 +1,10 @@
// Copyright 2015 Red Hat Inc. All rights reserved.
// Copyright 2013-2023 The Cobra Authors
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
// http://www.apache.org/licenses/LICENSE-2.0
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
@ -39,7 +40,7 @@ func hasSeeAlso(cmd *cobra.Command) bool {
// that do not contain \n.
func forceMultiLine(s string) string {
if len(s) > 60 && !strings.Contains(s, "\n") {
s = s + "\n"
s += "\n"
}
return s
}

View file

@ -1,9 +1,10 @@
// Copyright 2016 French Ben. All rights reserved.
// Copyright 2013-2023 The Cobra Authors
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
// http://www.apache.org/licenses/LICENSE-2.0
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
@ -23,7 +24,7 @@ import (
"github.com/spf13/cobra"
"github.com/spf13/pflag"
"gopkg.in/yaml.v2"
"gopkg.in/yaml.v3"
)
type cmdOption struct {
@ -66,7 +67,7 @@ func GenYamlTreeCustom(cmd *cobra.Command, dir string, filePrepender, linkHandle
}
}
basename := strings.Replace(cmd.CommandPath(), " ", "_", -1) + ".yaml"
basename := strings.ReplaceAll(cmd.CommandPath(), " ", "_") + ".yaml"
filename := filepath.Join(dir, basename)
f, err := os.Create(filename)
if err != nil {
@ -128,7 +129,7 @@ func GenYamlCustom(cmd *cobra.Command, w io.Writer, linkHandler func(string) str
if !child.IsAvailableCommand() || child.IsAdditionalHelpTopicCommand() {
continue
}
result = append(result, child.Name()+" - "+child.Short)
result = append(result, child.CommandPath()+" - "+child.Short)
}
yamlDoc.SeeAlso = result
}

View file

@ -1,7 +1,22 @@
// Copyright 2013-2023 The Cobra Authors
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package doc
import (
"bytes"
"fmt"
"io/ioutil"
"os"
"path/filepath"
@ -24,6 +39,7 @@ func TestGenYamlDoc(t *testing.T) {
checkStringContains(t, output, "rootflag")
checkStringContains(t, output, rootCmd.Short)
checkStringContains(t, output, echoSubCmd.Short)
checkStringContains(t, output, fmt.Sprintf("- %s - %s", echoSubCmd.CommandPath(), echoSubCmd.Short))
}
func TestGenYamlNoTag(t *testing.T) {

View file

@ -1,3 +1,17 @@
// Copyright 2013-2023 The Cobra Authors
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package cobra
import (
@ -11,8 +25,8 @@ import (
func genFishComp(buf io.StringWriter, name string, includeDesc bool) {
// Variables should not contain a '-' or ':' character
nameForVar := name
nameForVar = strings.Replace(nameForVar, "-", "_", -1)
nameForVar = strings.Replace(nameForVar, ":", "_", -1)
nameForVar = strings.ReplaceAll(nameForVar, "-", "_")
nameForVar = strings.ReplaceAll(nameForVar, ":", "_")
compCmd := ShellCompRequestCmd
if !includeDesc {
@ -38,7 +52,8 @@ function __%[1]s_perform_completion
__%[1]s_debug "args: $args"
__%[1]s_debug "last arg: $lastArg"
set -l requestComp "$args[1] %[3]s $args[2..-1] $lastArg"
# Disable ActiveHelp which is not supported for fish shell
set -l requestComp "%[10]s=0 $args[1] %[3]s $args[2..-1] $lastArg"
__%[1]s_debug "Calling $requestComp"
set -l results (eval $requestComp 2> /dev/null)
@ -74,6 +89,60 @@ function __%[1]s_perform_completion
printf "%%s\n" "$directiveLine"
end
# this function limits calls to __%[1]s_perform_completion, by caching the result behind $__%[1]s_perform_completion_once_result
function __%[1]s_perform_completion_once
__%[1]s_debug "Starting __%[1]s_perform_completion_once"
if test -n "$__%[1]s_perform_completion_once_result"
__%[1]s_debug "Seems like a valid result already exists, skipping __%[1]s_perform_completion"
return 0
end
set --global __%[1]s_perform_completion_once_result (__%[1]s_perform_completion)
if test -z "$__%[1]s_perform_completion_once_result"
__%[1]s_debug "No completions, probably due to a failure"
return 1
end
__%[1]s_debug "Performed completions and set __%[1]s_perform_completion_once_result"
return 0
end
# this function is used to clear the $__%[1]s_perform_completion_once_result variable after completions are run
function __%[1]s_clear_perform_completion_once_result
__%[1]s_debug ""
__%[1]s_debug "========= clearing previously set __%[1]s_perform_completion_once_result variable =========="
set --erase __%[1]s_perform_completion_once_result
__%[1]s_debug "Successfully erased the variable __%[1]s_perform_completion_once_result"
end
function __%[1]s_requires_order_preservation
__%[1]s_debug ""
__%[1]s_debug "========= checking if order preservation is required =========="
__%[1]s_perform_completion_once
if test -z "$__%[1]s_perform_completion_once_result"
__%[1]s_debug "Error determining if order preservation is required"
return 1
end
set -l directive (string sub --start 2 $__%[1]s_perform_completion_once_result[-1])
__%[1]s_debug "Directive is: $directive"
set -l shellCompDirectiveKeepOrder %[9]d
set -l keeporder (math (math --scale 0 $directive / $shellCompDirectiveKeepOrder) %% 2)
__%[1]s_debug "Keeporder is: $keeporder"
if test $keeporder -ne 0
__%[1]s_debug "This does require order preservation"
return 0
end
__%[1]s_debug "This doesn't require order preservation"
return 1
end
# This function does two things:
# - Obtain the completions and store them in the global __%[1]s_comp_results
# - Return false if file completion should be performed
@ -84,17 +153,17 @@ function __%[1]s_prepare_completions
# Start fresh
set --erase __%[1]s_comp_results
set -l results (__%[1]s_perform_completion)
__%[1]s_debug "Completion results: $results"
__%[1]s_perform_completion_once
__%[1]s_debug "Completion results: $__%[1]s_perform_completion_once_result"
if test -z "$results"
if test -z "$__%[1]s_perform_completion_once_result"
__%[1]s_debug "No completion, probably due to a failure"
# Might as well do file completion, in case it helps
return 1
end
set -l directive (string sub --start 2 $results[-1])
set --global __%[1]s_comp_results $results[1..-2]
set -l directive (string sub --start 2 $__%[1]s_perform_completion_once_result[-1])
set --global __%[1]s_comp_results $__%[1]s_perform_completion_once_result[1..-2]
__%[1]s_debug "Completions are: $__%[1]s_comp_results"
__%[1]s_debug "Directive is: $directive"
@ -190,13 +259,17 @@ end
# Remove any pre-existing completions for the program since we will be handling all of them.
complete -c %[2]s -e
# this will get called after the two calls below and clear the $__%[1]s_perform_completion_once_result global
complete -c %[2]s -n '__%[1]s_clear_perform_completion_once_result'
# The call to __%[1]s_prepare_completions will setup __%[1]s_comp_results
# which provides the program's completion choices.
complete -c %[2]s -n '__%[1]s_prepare_completions' -f -a '$__%[1]s_comp_results'
# If this doesn't require order preservation, we don't use the -k flag
complete -c %[2]s -n 'not __%[1]s_requires_order_preservation && __%[1]s_prepare_completions' -f -a '$__%[1]s_comp_results'
# otherwise we use the -k flag
complete -k -c %[2]s -n '__%[1]s_requires_order_preservation && __%[1]s_prepare_completions' -f -a '$__%[1]s_comp_results'
`, nameForVar, name, compCmd,
ShellCompDirectiveError, ShellCompDirectiveNoSpace, ShellCompDirectiveNoFileComp,
ShellCompDirectiveFilterFileExt, ShellCompDirectiveFilterDirs))
ShellCompDirectiveFilterFileExt, ShellCompDirectiveFilterDirs, ShellCompDirectiveKeepOrder, activeHelpEnvVar(name)))
}
// GenFishCompletion generates fish completion file and writes to the passed writer.

View file

@ -1,4 +0,0 @@
## Generating Fish Completions For Your cobra.Command
Please refer to [Shell Completions](shell_completions.md) for details.

View file

@ -1,7 +1,25 @@
// Copyright 2013-2023 The Cobra Authors
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package cobra
import (
"bytes"
"errors"
"fmt"
"os"
"path/filepath"
"testing"
)
@ -67,3 +85,59 @@ func TestProgWithColon(t *testing.T) {
check(t, output, "-c root:colon")
checkOmit(t, output, "-c root_colon")
}
func TestFishCompletionNoActiveHelp(t *testing.T) {
c := &Command{Use: "c", Run: emptyRun}
buf := new(bytes.Buffer)
assertNoErr(t, c.GenFishCompletion(buf, true))
output := buf.String()
// check that active help is being disabled
activeHelpVar := activeHelpEnvVar(c.Name())
check(t, output, fmt.Sprintf("%s=0", activeHelpVar))
}
func TestGenFishCompletionFile(t *testing.T) {
tmpFile, err := os.CreateTemp("", "cobra-test")
if err != nil {
t.Fatal(err.Error())
}
defer os.Remove(tmpFile.Name())
rootCmd := &Command{Use: "root", Args: NoArgs, Run: emptyRun}
child := &Command{
Use: "child",
ValidArgsFunction: validArgsFunc,
Run: emptyRun,
}
rootCmd.AddCommand(child)
assertNoErr(t, rootCmd.GenFishCompletionFile(tmpFile.Name(), false))
}
func TestFailGenFishCompletionFile(t *testing.T) {
tmpDir, err := os.MkdirTemp("", "cobra-test")
if err != nil {
t.Fatal(err.Error())
}
defer os.RemoveAll(tmpDir)
f, _ := os.OpenFile(filepath.Join(tmpDir, "test"), os.O_CREATE, 0400)
defer f.Close()
rootCmd := &Command{Use: "root", Args: NoArgs, Run: emptyRun}
child := &Command{
Use: "child",
ValidArgsFunction: validArgsFunc,
Run: emptyRun,
}
rootCmd.AddCommand(child)
got := rootCmd.GenFishCompletionFile(f.Name(), false)
if !errors.Is(got, os.ErrPermission) {
t.Errorf("got: %s, want: %s", got.Error(), os.ErrPermission.Error())
}
}

290
flag_groups.go Normal file
View file

@ -0,0 +1,290 @@
// Copyright 2013-2023 The Cobra Authors
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package cobra
import (
"fmt"
"sort"
"strings"
flag "github.com/spf13/pflag"
)
const (
requiredAsGroupAnnotation = "cobra_annotation_required_if_others_set"
oneRequiredAnnotation = "cobra_annotation_one_required"
mutuallyExclusiveAnnotation = "cobra_annotation_mutually_exclusive"
)
// MarkFlagsRequiredTogether marks the given flags with annotations so that Cobra errors
// if the command is invoked with a subset (but not all) of the given flags.
func (c *Command) MarkFlagsRequiredTogether(flagNames ...string) {
c.mergePersistentFlags()
for _, v := range flagNames {
f := c.Flags().Lookup(v)
if f == nil {
panic(fmt.Sprintf("Failed to find flag %q and mark it as being required in a flag group", v))
}
if err := c.Flags().SetAnnotation(v, requiredAsGroupAnnotation, append(f.Annotations[requiredAsGroupAnnotation], strings.Join(flagNames, " "))); err != nil {
// Only errs if the flag isn't found.
panic(err)
}
}
}
// MarkFlagsOneRequired marks the given flags with annotations so that Cobra errors
// if the command is invoked without at least one flag from the given set of flags.
func (c *Command) MarkFlagsOneRequired(flagNames ...string) {
c.mergePersistentFlags()
for _, v := range flagNames {
f := c.Flags().Lookup(v)
if f == nil {
panic(fmt.Sprintf("Failed to find flag %q and mark it as being in a one-required flag group", v))
}
if err := c.Flags().SetAnnotation(v, oneRequiredAnnotation, append(f.Annotations[oneRequiredAnnotation], strings.Join(flagNames, " "))); err != nil {
// Only errs if the flag isn't found.
panic(err)
}
}
}
// MarkFlagsMutuallyExclusive marks the given flags with annotations so that Cobra errors
// if the command is invoked with more than one flag from the given set of flags.
func (c *Command) MarkFlagsMutuallyExclusive(flagNames ...string) {
c.mergePersistentFlags()
for _, v := range flagNames {
f := c.Flags().Lookup(v)
if f == nil {
panic(fmt.Sprintf("Failed to find flag %q and mark it as being in a mutually exclusive flag group", v))
}
// Each time this is called is a single new entry; this allows it to be a member of multiple groups if needed.
if err := c.Flags().SetAnnotation(v, mutuallyExclusiveAnnotation, append(f.Annotations[mutuallyExclusiveAnnotation], strings.Join(flagNames, " "))); err != nil {
panic(err)
}
}
}
// ValidateFlagGroups validates the mutuallyExclusive/oneRequired/requiredAsGroup logic and returns the
// first error encountered.
func (c *Command) ValidateFlagGroups() error {
if c.DisableFlagParsing {
return nil
}
flags := c.Flags()
// groupStatus format is the list of flags as a unique ID,
// then a map of each flag name and whether it is set or not.
groupStatus := map[string]map[string]bool{}
oneRequiredGroupStatus := map[string]map[string]bool{}
mutuallyExclusiveGroupStatus := map[string]map[string]bool{}
flags.VisitAll(func(pflag *flag.Flag) {
processFlagForGroupAnnotation(flags, pflag, requiredAsGroupAnnotation, groupStatus)
processFlagForGroupAnnotation(flags, pflag, oneRequiredAnnotation, oneRequiredGroupStatus)
processFlagForGroupAnnotation(flags, pflag, mutuallyExclusiveAnnotation, mutuallyExclusiveGroupStatus)
})
if err := validateRequiredFlagGroups(groupStatus); err != nil {
return err
}
if err := validateOneRequiredFlagGroups(oneRequiredGroupStatus); err != nil {
return err
}
if err := validateExclusiveFlagGroups(mutuallyExclusiveGroupStatus); err != nil {
return err
}
return nil
}
func hasAllFlags(fs *flag.FlagSet, flagnames ...string) bool {
for _, fname := range flagnames {
f := fs.Lookup(fname)
if f == nil {
return false
}
}
return true
}
func processFlagForGroupAnnotation(flags *flag.FlagSet, pflag *flag.Flag, annotation string, groupStatus map[string]map[string]bool) {
groupInfo, found := pflag.Annotations[annotation]
if found {
for _, group := range groupInfo {
if groupStatus[group] == nil {
flagnames := strings.Split(group, " ")
// Only consider this flag group at all if all the flags are defined.
if !hasAllFlags(flags, flagnames...) {
continue
}
groupStatus[group] = make(map[string]bool, len(flagnames))
for _, name := range flagnames {
groupStatus[group][name] = false
}
}
groupStatus[group][pflag.Name] = pflag.Changed
}
}
}
func validateRequiredFlagGroups(data map[string]map[string]bool) error {
keys := sortedKeys(data)
for _, flagList := range keys {
flagnameAndStatus := data[flagList]
unset := []string{}
for flagname, isSet := range flagnameAndStatus {
if !isSet {
unset = append(unset, flagname)
}
}
if len(unset) == len(flagnameAndStatus) || len(unset) == 0 {
continue
}
// Sort values, so they can be tested/scripted against consistently.
sort.Strings(unset)
return fmt.Errorf("if any flags in the group [%v] are set they must all be set; missing %v", flagList, unset)
}
return nil
}
func validateOneRequiredFlagGroups(data map[string]map[string]bool) error {
keys := sortedKeys(data)
for _, flagList := range keys {
flagnameAndStatus := data[flagList]
var set []string
for flagname, isSet := range flagnameAndStatus {
if isSet {
set = append(set, flagname)
}
}
if len(set) >= 1 {
continue
}
// Sort values, so they can be tested/scripted against consistently.
sort.Strings(set)
return fmt.Errorf("at least one of the flags in the group [%v] is required", flagList)
}
return nil
}
func validateExclusiveFlagGroups(data map[string]map[string]bool) error {
keys := sortedKeys(data)
for _, flagList := range keys {
flagnameAndStatus := data[flagList]
var set []string
for flagname, isSet := range flagnameAndStatus {
if isSet {
set = append(set, flagname)
}
}
if len(set) == 0 || len(set) == 1 {
continue
}
// Sort values, so they can be tested/scripted against consistently.
sort.Strings(set)
return fmt.Errorf("if any flags in the group [%v] are set none of the others can be; %v were all set", flagList, set)
}
return nil
}
func sortedKeys(m map[string]map[string]bool) []string {
keys := make([]string, len(m))
i := 0
for k := range m {
keys[i] = k
i++
}
sort.Strings(keys)
return keys
}
// enforceFlagGroupsForCompletion will do the following:
// - when a flag in a group is present, other flags in the group will be marked required
// - when none of the flags in a one-required group are present, all flags in the group will be marked required
// - when a flag in a mutually exclusive group is present, other flags in the group will be marked as hidden
// This allows the standard completion logic to behave appropriately for flag groups
func (c *Command) enforceFlagGroupsForCompletion() {
if c.DisableFlagParsing {
return
}
flags := c.Flags()
groupStatus := map[string]map[string]bool{}
oneRequiredGroupStatus := map[string]map[string]bool{}
mutuallyExclusiveGroupStatus := map[string]map[string]bool{}
c.Flags().VisitAll(func(pflag *flag.Flag) {
processFlagForGroupAnnotation(flags, pflag, requiredAsGroupAnnotation, groupStatus)
processFlagForGroupAnnotation(flags, pflag, oneRequiredAnnotation, oneRequiredGroupStatus)
processFlagForGroupAnnotation(flags, pflag, mutuallyExclusiveAnnotation, mutuallyExclusiveGroupStatus)
})
// If a flag that is part of a group is present, we make all the other flags
// of that group required so that the shell completion suggests them automatically
for flagList, flagnameAndStatus := range groupStatus {
for _, isSet := range flagnameAndStatus {
if isSet {
// One of the flags of the group is set, mark the other ones as required
for _, fName := range strings.Split(flagList, " ") {
_ = c.MarkFlagRequired(fName)
}
}
}
}
// If none of the flags of a one-required group are present, we make all the flags
// of that group required so that the shell completion suggests them automatically
for flagList, flagnameAndStatus := range oneRequiredGroupStatus {
isSet := false
for _, isSet = range flagnameAndStatus {
if isSet {
break
}
}
// None of the flags of the group are set, mark all flags in the group
// as required
if !isSet {
for _, fName := range strings.Split(flagList, " ") {
_ = c.MarkFlagRequired(fName)
}
}
}
// If a flag that is mutually exclusive to others is present, we hide the other
// flags of that group so the shell completion does not suggest them
for flagList, flagnameAndStatus := range mutuallyExclusiveGroupStatus {
for flagName, isSet := range flagnameAndStatus {
if isSet {
// One of the flags of the mutually exclusive group is set, mark the other ones as hidden
// Don't mark the flag that is already set as hidden because it may be an
// array or slice flag and therefore must continue being suggested
for _, fName := range strings.Split(flagList, " ") {
if fName != flagName {
flag := c.Flags().Lookup(fName)
flag.Hidden = true
}
}
}
}
}
}

195
flag_groups_test.go Normal file
View file

@ -0,0 +1,195 @@
// Copyright 2013-2023 The Cobra Authors
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package cobra
import (
"strings"
"testing"
)
func TestValidateFlagGroups(t *testing.T) {
getCmd := func() *Command {
c := &Command{
Use: "testcmd",
Run: func(cmd *Command, args []string) {
}}
// Define lots of flags to utilize for testing.
for _, v := range []string{"a", "b", "c", "d"} {
c.Flags().String(v, "", "")
}
for _, v := range []string{"e", "f", "g"} {
c.PersistentFlags().String(v, "", "")
}
subC := &Command{
Use: "subcmd",
Run: func(cmd *Command, args []string) {
}}
subC.Flags().String("subonly", "", "")
c.AddCommand(subC)
return c
}
// Each test case uses a unique command from the function above.
testcases := []struct {
desc string
flagGroupsRequired []string
flagGroupsOneRequired []string
flagGroupsExclusive []string
subCmdFlagGroupsRequired []string
subCmdFlagGroupsOneRequired []string
subCmdFlagGroupsExclusive []string
args []string
expectErr string
}{
{
desc: "No flags no problem",
}, {
desc: "No flags no problem even with conflicting groups",
flagGroupsRequired: []string{"a b"},
flagGroupsExclusive: []string{"a b"},
}, {
desc: "Required flag group not satisfied",
flagGroupsRequired: []string{"a b c"},
args: []string{"--a=foo"},
expectErr: "if any flags in the group [a b c] are set they must all be set; missing [b c]",
}, {
desc: "One-required flag group not satisfied",
flagGroupsOneRequired: []string{"a b"},
args: []string{"--c=foo"},
expectErr: "at least one of the flags in the group [a b] is required",
}, {
desc: "Exclusive flag group not satisfied",
flagGroupsExclusive: []string{"a b c"},
args: []string{"--a=foo", "--b=foo"},
expectErr: "if any flags in the group [a b c] are set none of the others can be; [a b] were all set",
}, {
desc: "Multiple required flag group not satisfied returns first error",
flagGroupsRequired: []string{"a b c", "a d"},
args: []string{"--c=foo", "--d=foo"},
expectErr: `if any flags in the group [a b c] are set they must all be set; missing [a b]`,
}, {
desc: "Multiple one-required flag group not satisfied returns first error",
flagGroupsOneRequired: []string{"a b", "d e"},
args: []string{"--c=foo", "--f=foo"},
expectErr: `at least one of the flags in the group [a b] is required`,
}, {
desc: "Multiple exclusive flag group not satisfied returns first error",
flagGroupsExclusive: []string{"a b c", "a d"},
args: []string{"--a=foo", "--c=foo", "--d=foo"},
expectErr: `if any flags in the group [a b c] are set none of the others can be; [a c] were all set`,
}, {
desc: "Validation of required groups occurs on groups in sorted order",
flagGroupsRequired: []string{"a d", "a b", "a c"},
args: []string{"--a=foo"},
expectErr: `if any flags in the group [a b] are set they must all be set; missing [b]`,
}, {
desc: "Validation of one-required groups occurs on groups in sorted order",
flagGroupsOneRequired: []string{"d e", "a b", "f g"},
args: []string{"--c=foo"},
expectErr: `at least one of the flags in the group [a b] is required`,
}, {
desc: "Validation of exclusive groups occurs on groups in sorted order",
flagGroupsExclusive: []string{"a d", "a b", "a c"},
args: []string{"--a=foo", "--b=foo", "--c=foo"},
expectErr: `if any flags in the group [a b] are set none of the others can be; [a b] were all set`,
}, {
desc: "Persistent flags utilize required and exclusive groups and can fail required groups",
flagGroupsRequired: []string{"a e", "e f"},
flagGroupsExclusive: []string{"f g"},
args: []string{"--a=foo", "--f=foo", "--g=foo"},
expectErr: `if any flags in the group [a e] are set they must all be set; missing [e]`,
}, {
desc: "Persistent flags utilize one-required and exclusive groups and can fail one-required groups",
flagGroupsOneRequired: []string{"a b", "e f"},
flagGroupsExclusive: []string{"e f"},
args: []string{"--e=foo"},
expectErr: `at least one of the flags in the group [a b] is required`,
}, {
desc: "Persistent flags utilize required and exclusive groups and can fail mutually exclusive groups",
flagGroupsRequired: []string{"a e", "e f"},
flagGroupsExclusive: []string{"f g"},
args: []string{"--a=foo", "--e=foo", "--f=foo", "--g=foo"},
expectErr: `if any flags in the group [f g] are set none of the others can be; [f g] were all set`,
}, {
desc: "Persistent flags utilize required and exclusive groups and can pass",
flagGroupsRequired: []string{"a e", "e f"},
flagGroupsExclusive: []string{"f g"},
args: []string{"--a=foo", "--e=foo", "--f=foo"},
}, {
desc: "Persistent flags utilize one-required and exclusive groups and can pass",
flagGroupsOneRequired: []string{"a e", "e f"},
flagGroupsExclusive: []string{"f g"},
args: []string{"--a=foo", "--e=foo", "--f=foo"},
}, {
desc: "Subcmds can use required groups using inherited flags",
subCmdFlagGroupsRequired: []string{"e subonly"},
args: []string{"subcmd", "--e=foo", "--subonly=foo"},
}, {
desc: "Subcmds can use one-required groups using inherited flags",
subCmdFlagGroupsOneRequired: []string{"e subonly"},
args: []string{"subcmd", "--e=foo", "--subonly=foo"},
}, {
desc: "Subcmds can use one-required groups using inherited flags and fail one-required groups",
subCmdFlagGroupsOneRequired: []string{"e subonly"},
args: []string{"subcmd"},
expectErr: "at least one of the flags in the group [e subonly] is required",
}, {
desc: "Subcmds can use exclusive groups using inherited flags",
subCmdFlagGroupsExclusive: []string{"e subonly"},
args: []string{"subcmd", "--e=foo", "--subonly=foo"},
expectErr: "if any flags in the group [e subonly] are set none of the others can be; [e subonly] were all set",
}, {
desc: "Subcmds can use exclusive groups using inherited flags and pass",
subCmdFlagGroupsExclusive: []string{"e subonly"},
args: []string{"subcmd", "--e=foo"},
}, {
desc: "Flag groups not applied if not found on invoked command",
subCmdFlagGroupsRequired: []string{"e subonly"},
args: []string{"--e=foo"},
},
}
for _, tc := range testcases {
t.Run(tc.desc, func(t *testing.T) {
c := getCmd()
sub := c.Commands()[0]
for _, flagGroup := range tc.flagGroupsRequired {
c.MarkFlagsRequiredTogether(strings.Split(flagGroup, " ")...)
}
for _, flagGroup := range tc.flagGroupsOneRequired {
c.MarkFlagsOneRequired(strings.Split(flagGroup, " ")...)
}
for _, flagGroup := range tc.flagGroupsExclusive {
c.MarkFlagsMutuallyExclusive(strings.Split(flagGroup, " ")...)
}
for _, flagGroup := range tc.subCmdFlagGroupsRequired {
sub.MarkFlagsRequiredTogether(strings.Split(flagGroup, " ")...)
}
for _, flagGroup := range tc.subCmdFlagGroupsOneRequired {
sub.MarkFlagsOneRequired(strings.Split(flagGroup, " ")...)
}
for _, flagGroup := range tc.subCmdFlagGroupsExclusive {
sub.MarkFlagsMutuallyExclusive(strings.Split(flagGroup, " ")...)
}
c.SetArgs(tc.args)
err := c.Execute()
switch {
case err == nil && len(tc.expectErr) > 0:
t.Errorf("Expected error %q but got nil", tc.expectErr)
case err != nil && err.Error() != tc.expectErr:
t.Errorf("Expected error %q but got %q", tc.expectErr, err)
}
})
}
}

7
go.mod
View file

@ -3,9 +3,8 @@ module github.com/spf13/cobra
go 1.15
require (
github.com/cpuguy83/go-md2man/v2 v2.0.1
github.com/inconshreveable/mousetrap v1.0.0
github.com/cpuguy83/go-md2man/v2 v2.0.4
github.com/inconshreveable/mousetrap v1.1.0
github.com/spf13/pflag v1.0.5
github.com/spf13/viper v1.10.0
gopkg.in/yaml.v2 v2.4.0
gopkg.in/yaml.v3 v3.0.1
)

781
go.sum
View file

@ -1,779 +1,12 @@
cloud.google.com/go v0.26.0/go.mod h1:aQUYkXzVsufM+DwF1aE+0xfcU+56JwCaLick0ClmMTw=
cloud.google.com/go v0.34.0/go.mod h1:aQUYkXzVsufM+DwF1aE+0xfcU+56JwCaLick0ClmMTw=
cloud.google.com/go v0.38.0/go.mod h1:990N+gfupTy94rShfmMCWGDn0LpTmnzTp2qbd1dvSRU=
cloud.google.com/go v0.44.1/go.mod h1:iSa0KzasP4Uvy3f1mN/7PiObzGgflwredwwASm/v6AU=
cloud.google.com/go v0.44.2/go.mod h1:60680Gw3Yr4ikxnPRS/oxxkBccT6SA1yMk63TGekxKY=
cloud.google.com/go v0.45.1/go.mod h1:RpBamKRgapWJb87xiFSdk4g1CME7QZg3uwTez+TSTjc=
cloud.google.com/go v0.46.3/go.mod h1:a6bKKbmY7er1mI7TEI4lsAkts/mkhTSZK8w33B4RAg0=
cloud.google.com/go v0.50.0/go.mod h1:r9sluTvynVuxRIOHXQEHMFffphuXHOMZMycpNR5e6To=
cloud.google.com/go v0.52.0/go.mod h1:pXajvRH/6o3+F9jDHZWQ5PbGhn+o8w9qiu/CffaVdO4=
cloud.google.com/go v0.53.0/go.mod h1:fp/UouUEsRkN6ryDKNW/Upv/JBKnv6WDthjR6+vze6M=
cloud.google.com/go v0.54.0/go.mod h1:1rq2OEkV3YMf6n/9ZvGWI3GWw0VoqH/1x2nd8Is/bPc=
cloud.google.com/go v0.56.0/go.mod h1:jr7tqZxxKOVYizybht9+26Z/gUq7tiRzu+ACVAMbKVk=
cloud.google.com/go v0.57.0/go.mod h1:oXiQ6Rzq3RAkkY7N6t3TcE6jE+CIBBbA36lwQ1JyzZs=
cloud.google.com/go v0.62.0/go.mod h1:jmCYTdRCQuc1PHIIJ/maLInMho30T/Y0M4hTdTShOYc=
cloud.google.com/go v0.65.0/go.mod h1:O5N8zS7uWy9vkA9vayVHs65eM1ubvY4h553ofrNHObY=
cloud.google.com/go v0.72.0/go.mod h1:M+5Vjvlc2wnp6tjzE102Dw08nGShTscUx2nZMufOKPI=
cloud.google.com/go v0.74.0/go.mod h1:VV1xSbzvo+9QJOxLDaJfTjx5e+MePCpCWwvftOeQmWk=
cloud.google.com/go v0.78.0/go.mod h1:QjdrLG0uq+YwhjoVOLsS1t7TW8fs36kLs4XO5R5ECHg=
cloud.google.com/go v0.79.0/go.mod h1:3bzgcEeQlzbuEAYu4mrWhKqWjmpprinYgKJLgKHnbb8=
cloud.google.com/go v0.81.0/go.mod h1:mk/AM35KwGk/Nm2YSeZbxXdrNK3KZOYHmLkOqC2V6E0=
cloud.google.com/go v0.83.0/go.mod h1:Z7MJUsANfY0pYPdw0lbnivPx4/vhy/e2FEkSkF7vAVY=
cloud.google.com/go v0.84.0/go.mod h1:RazrYuxIK6Kb7YrzzhPoLmCVzl7Sup4NrbKPg8KHSUM=
cloud.google.com/go v0.87.0/go.mod h1:TpDYlFy7vuLzZMMZ+B6iRiELaY7z/gJPaqbMx6mlWcY=
cloud.google.com/go v0.90.0/go.mod h1:kRX0mNRHe0e2rC6oNakvwQqzyDmg57xJ+SZU1eT2aDQ=
cloud.google.com/go v0.93.3/go.mod h1:8utlLll2EF5XMAV15woO4lSbWQlk8rer9aLOfLh7+YI=
cloud.google.com/go v0.94.1/go.mod h1:qAlAugsXlC+JWO+Bke5vCtc9ONxjQT3drlTTnAplMW4=
cloud.google.com/go v0.97.0/go.mod h1:GF7l59pYBVlXQIBLx3a761cZ41F9bBH3JUlihCt2Udc=
cloud.google.com/go v0.98.0/go.mod h1:ua6Ush4NALrHk5QXDWnjvZHN93OuF0HfuEPq9I1X0cM=
cloud.google.com/go v0.99.0/go.mod h1:w0Xx2nLzqWJPuozYQX+hFfCSI8WioryfRDzkoI/Y2ZA=
cloud.google.com/go/bigquery v1.0.1/go.mod h1:i/xbL2UlR5RvWAURpBYZTtm/cXjCha9lbfbpx4poX+o=
cloud.google.com/go/bigquery v1.3.0/go.mod h1:PjpwJnslEMmckchkHFfq+HTD2DmtT67aNFKH1/VBDHE=
cloud.google.com/go/bigquery v1.4.0/go.mod h1:S8dzgnTigyfTmLBfrtrhyYhwRxG72rYxvftPBK2Dvzc=
cloud.google.com/go/bigquery v1.5.0/go.mod h1:snEHRnqQbz117VIFhE8bmtwIDY80NLUZUMb4Nv6dBIg=
cloud.google.com/go/bigquery v1.7.0/go.mod h1://okPTzCYNXSlb24MZs83e2Do+h+VXtc4gLoIoXIAPc=
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github.com/stretchr/testify v1.7.0/go.mod h1:6Fq8oRcR53rry900zMqJjRRixrwX3KX962/h/Wwjteg=
github.com/subosito/gotenv v1.2.0 h1:Slr1R9HxAlEKefgq5jn9U+DnETlIUa6HfgEzj0g5d7s=
github.com/subosito/gotenv v1.2.0/go.mod h1:N0PQaV/YGNqwC0u51sEeR/aUtSLEXKX9iv69rRypqCw=
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github.com/yuin/goldmark v1.1.25/go.mod h1:3hX8gzYuyVAZsxl0MRgGTJEmQBFcNTphYh9decYSb74=
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golang.org/x/exp v0.0.0-20200224162631-6cc2880d07d6/go.mod h1:3jZMyOhIsHpP37uCMkUooju7aAi5cS1Q23tOzKc+0MU=
golang.org/x/image v0.0.0-20190227222117-0694c2d4d067/go.mod h1:kZ7UVZpmo3dzQBMxlp+ypCbDeSB+sBbTgSJuh5dn5js=
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golang.org/x/lint v0.0.0-20181026193005-c67002cb31c3/go.mod h1:UVdnD1Gm6xHRNCYTkRU2/jEulfH38KcIWyp/GAMgvoE=
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golang.org/x/lint v0.0.0-20190409202823-959b441ac422/go.mod h1:6SW0HCj/g11FgYtHlgUYUwCkIfeOF89ocIRzGO/8vkc=
golang.org/x/lint v0.0.0-20190909230951-414d861bb4ac/go.mod h1:6SW0HCj/g11FgYtHlgUYUwCkIfeOF89ocIRzGO/8vkc=
golang.org/x/lint v0.0.0-20190930215403-16217165b5de/go.mod h1:6SW0HCj/g11FgYtHlgUYUwCkIfeOF89ocIRzGO/8vkc=
golang.org/x/lint v0.0.0-20191125180803-fdd1cda4f05f/go.mod h1:5qLYkcX4OjUUV8bRuDixDT3tpyyb+LUpUlRWLxfhWrs=
golang.org/x/lint v0.0.0-20200130185559-910be7a94367/go.mod h1:3xt1FjdF8hUf6vQPIChWIBhFzV8gjjsPE/fR3IyQdNY=
golang.org/x/lint v0.0.0-20200302205851-738671d3881b/go.mod h1:3xt1FjdF8hUf6vQPIChWIBhFzV8gjjsPE/fR3IyQdNY=
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golang.org/x/lint v0.0.0-20210508222113-6edffad5e616/go.mod h1:3xt1FjdF8hUf6vQPIChWIBhFzV8gjjsPE/fR3IyQdNY=
golang.org/x/mobile v0.0.0-20190312151609-d3739f865fa6/go.mod h1:z+o9i4GpDbdi3rU15maQ/Ox0txvL9dWGYEHz965HBQE=
golang.org/x/mobile v0.0.0-20190719004257-d2bd2a29d028/go.mod h1:E/iHnbuqvinMTCcRqshq8CkpyQDoeVncDDYHnLhea+o=
golang.org/x/mod v0.0.0-20190513183733-4bf6d317e70e/go.mod h1:mXi4GBBbnImb6dmsKGUJ2LatrhH/nqhxcFungHvyanc=
golang.org/x/mod v0.1.0/go.mod h1:0QHyrYULN0/3qlju5TqG8bIK38QM8yzMo5ekMj3DlcY=
golang.org/x/mod v0.1.1-0.20191105210325-c90efee705ee/go.mod h1:QqPTAvyqsEbceGzBzNggFXnrqF1CaUcvgkdR5Ot7KZg=
golang.org/x/mod v0.1.1-0.20191107180719-034126e5016b/go.mod h1:QqPTAvyqsEbceGzBzNggFXnrqF1CaUcvgkdR5Ot7KZg=
golang.org/x/mod v0.2.0/go.mod h1:s0Qsj1ACt9ePp/hMypM3fl4fZqREWJwdYDEqhRiZZUA=
golang.org/x/mod v0.3.0/go.mod h1:s0Qsj1ACt9ePp/hMypM3fl4fZqREWJwdYDEqhRiZZUA=
golang.org/x/mod v0.4.0/go.mod h1:s0Qsj1ACt9ePp/hMypM3fl4fZqREWJwdYDEqhRiZZUA=
golang.org/x/mod v0.4.1/go.mod h1:s0Qsj1ACt9ePp/hMypM3fl4fZqREWJwdYDEqhRiZZUA=
golang.org/x/mod v0.4.2/go.mod h1:s0Qsj1ACt9ePp/hMypM3fl4fZqREWJwdYDEqhRiZZUA=
golang.org/x/mod v0.5.0/go.mod h1:5OXOZSfqPIIbmVBIIKWRFfZjPR0E5r58TLhUjH0a2Ro=
golang.org/x/net v0.0.0-20180724234803-3673e40ba225/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
golang.org/x/net v0.0.0-20180826012351-8a410e7b638d/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
golang.org/x/net v0.0.0-20181023162649-9b4f9f5ad519/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
golang.org/x/net v0.0.0-20181114220301-adae6a3d119a/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
golang.org/x/net v0.0.0-20190108225652-1e06a53dbb7e/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
golang.org/x/net v0.0.0-20190213061140-3a22650c66bd/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
golang.org/x/net v0.0.0-20190311183353-d8887717615a/go.mod h1:t9HGtf8HONx5eT2rtn7q6eTqICYqUVnKs3thJo3Qplg=
golang.org/x/net v0.0.0-20190404232315-eb5bcb51f2a3/go.mod h1:t9HGtf8HONx5eT2rtn7q6eTqICYqUVnKs3thJo3Qplg=
golang.org/x/net v0.0.0-20190501004415-9ce7a6920f09/go.mod h1:t9HGtf8HONx5eT2rtn7q6eTqICYqUVnKs3thJo3Qplg=
golang.org/x/net v0.0.0-20190503192946-f4e77d36d62c/go.mod h1:t9HGtf8HONx5eT2rtn7q6eTqICYqUVnKs3thJo3Qplg=
golang.org/x/net v0.0.0-20190603091049-60506f45cf65/go.mod h1:HSz+uSET+XFnRR8LxR5pz3Of3rY3CfYBVs4xY44aLks=
golang.org/x/net v0.0.0-20190613194153-d28f0bde5980/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s=
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google.golang.org/appengine v1.1.0/go.mod h1:EbEs0AVv82hx2wNQdGPgUI5lhzA/G0D9YwlJXL52JkM=
google.golang.org/appengine v1.4.0/go.mod h1:xpcJRLb0r/rnEns0DIKYYv+WjYCduHsrkT7/EB5XEv4=
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google.golang.org/appengine v1.6.5/go.mod h1:8WjMMxjGQR8xUklV/ARdw2HLXBOI7O7uCIDZVag1xfc=
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google.golang.org/genproto v0.0.0-20190418145605-e7d98fc518a7/go.mod h1:VzzqZJRnGkLBvHegQrXjBqPurQTc5/KpmUdxsrq26oE=
google.golang.org/genproto v0.0.0-20190425155659-357c62f0e4bb/go.mod h1:VzzqZJRnGkLBvHegQrXjBqPurQTc5/KpmUdxsrq26oE=
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honnef.co/go/tools v0.0.0-20190523083050-ea95bdfd59fc/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4=
honnef.co/go/tools v0.0.1-2019.2.3/go.mod h1:a3bituU0lyd329TUQxRnasdCoJDkEUEAqEt0JzvZhAg=
honnef.co/go/tools v0.0.1-2020.1.3/go.mod h1:X/FiERA/W4tHapMX5mGpAtMSVEeEUOyHaw9vFzvIQ3k=
honnef.co/go/tools v0.0.1-2020.1.4/go.mod h1:X/FiERA/W4tHapMX5mGpAtMSVEeEUOyHaw9vFzvIQ3k=
rsc.io/binaryregexp v0.2.0/go.mod h1:qTv7/COck+e2FymRvadv62gMdZztPaShugOCi3I+8D8=
rsc.io/quote/v3 v3.1.0/go.mod h1:yEA65RcK8LyAZtP9Kv3t0HmxON59tX3rD+tICJqUlj0=
rsc.io/sampler v1.3.0/go.mod h1:T1hPZKmBbMNahiBKFy5HrXp6adAjACjK9JXDnKaTXpA=
gopkg.in/yaml.v3 v3.0.1 h1:fxVm/GzAzEWqLHuvctI91KS9hhNmmWOoWu0XTYJS7CA=
gopkg.in/yaml.v3 v3.0.1/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=

View file

@ -1,3 +1,17 @@
// Copyright 2013-2023 The Cobra Authors
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
// The generated scripts require PowerShell v5.0+ (which comes Windows 10, but
// can be downloaded separately for windows 7 or 8.1).
@ -8,9 +22,15 @@ import (
"fmt"
"io"
"os"
"strings"
)
func genPowerShellComp(buf io.StringWriter, name string, includeDesc bool) {
// Variables should not contain a '-' or ':' character
nameForVar := name
nameForVar = strings.ReplaceAll(nameForVar, "-", "_")
nameForVar = strings.ReplaceAll(nameForVar, ":", "_")
compCmd := ShellCompRequestCmd
if !includeDesc {
compCmd = ShellCompNoDescRequestCmd
@ -27,7 +47,7 @@ filter __%[1]s_escapeStringWithSpecialChars {
`+" $_ -replace '\\s|#|@|\\$|;|,|''|\\{|\\}|\\(|\\)|\"|`|\\||<|>|&','`$&'"+`
}
Register-ArgumentCompleter -CommandName '%[1]s' -ScriptBlock {
[scriptblock]${__%[2]sCompleterBlock} = {
param(
$WordToComplete,
$CommandAst,
@ -52,16 +72,18 @@ Register-ArgumentCompleter -CommandName '%[1]s' -ScriptBlock {
}
__%[1]s_debug "Truncated command: $Command"
$ShellCompDirectiveError=%[3]d
$ShellCompDirectiveNoSpace=%[4]d
$ShellCompDirectiveNoFileComp=%[5]d
$ShellCompDirectiveFilterFileExt=%[6]d
$ShellCompDirectiveFilterDirs=%[7]d
$ShellCompDirectiveError=%[4]d
$ShellCompDirectiveNoSpace=%[5]d
$ShellCompDirectiveNoFileComp=%[6]d
$ShellCompDirectiveFilterFileExt=%[7]d
$ShellCompDirectiveFilterDirs=%[8]d
$ShellCompDirectiveKeepOrder=%[9]d
# Prepare the command to request completions for the program.
# Split the command at the first space to separate the program and arguments.
$Program,$Arguments = $Command.Split(" ",2)
$RequestComp="$Program %[2]s $Arguments"
$RequestComp="$Program %[3]s $Arguments"
__%[1]s_debug "RequestComp: $RequestComp"
# we cannot use $WordToComplete because it
@ -85,16 +107,27 @@ Register-ArgumentCompleter -CommandName '%[1]s' -ScriptBlock {
# If the last parameter is complete (there is a space following it)
# We add an extra empty parameter so we can indicate this to the go method.
__%[1]s_debug "Adding extra empty parameter"
`+" # We need to use `\"`\" to pass an empty argument a \"\" or '' does not work!!!"+`
`+" $RequestComp=\"$RequestComp\" + ' `\"`\"'"+`
# PowerShell 7.2+ changed the way how the arguments are passed to executables,
# so for pre-7.2 or when Legacy argument passing is enabled we need to use
`+" # `\"`\" to pass an empty argument, a \"\" or '' does not work!!!"+`
if ($PSVersionTable.PsVersion -lt [version]'7.2.0' -or
($PSVersionTable.PsVersion -lt [version]'7.3.0' -and -not [ExperimentalFeature]::IsEnabled("PSNativeCommandArgumentPassing")) -or
(($PSVersionTable.PsVersion -ge [version]'7.3.0' -or [ExperimentalFeature]::IsEnabled("PSNativeCommandArgumentPassing")) -and
$PSNativeCommandArgumentPassing -eq 'Legacy')) {
`+" $RequestComp=\"$RequestComp\" + ' `\"`\"'"+`
} else {
$RequestComp="$RequestComp" + ' ""'
}
}
__%[1]s_debug "Calling $RequestComp"
# First disable ActiveHelp which is not supported for Powershell
${env:%[10]s}=0
#call the command store the output in $out and redirect stderr and stdout to null
# $Out is an array contains each line per element
Invoke-Expression -OutVariable out "$RequestComp" 2>&1 | Out-Null
# get directive from last line
[int]$Directive = $Out[-1].TrimStart(':')
if ($Directive -eq "") {
@ -114,7 +147,7 @@ Register-ArgumentCompleter -CommandName '%[1]s' -ScriptBlock {
}
$Longest = 0
$Values = $Out | ForEach-Object {
[Array]$Values = $Out | ForEach-Object {
#Split the output in name and description
`+" $Name, $Description = $_.Split(\"`t\",2)"+`
__%[1]s_debug "Name: $Name Description: $Description"
@ -159,6 +192,11 @@ Register-ArgumentCompleter -CommandName '%[1]s' -ScriptBlock {
}
}
# we sort the values in ascending order by name if keep order isn't passed
if (($Directive -band $ShellCompDirectiveKeepOrder) -eq 0 ) {
$Values = $Values | Sort-Object -Property Name
}
if (($Directive -band $ShellCompDirectiveNoFileComp) -ne 0 ) {
__%[1]s_debug "ShellCompDirectiveNoFileComp is called"
@ -240,9 +278,11 @@ Register-ArgumentCompleter -CommandName '%[1]s' -ScriptBlock {
}
}
`, name, compCmd,
Register-ArgumentCompleter -CommandName '%[1]s' -ScriptBlock ${__%[2]sCompleterBlock}
`, name, nameForVar, compCmd,
ShellCompDirectiveError, ShellCompDirectiveNoSpace, ShellCompDirectiveNoFileComp,
ShellCompDirectiveFilterFileExt, ShellCompDirectiveFilterDirs))
ShellCompDirectiveFilterFileExt, ShellCompDirectiveFilterDirs, ShellCompDirectiveKeepOrder, activeHelpEnvVar(name)))
}
func (c *Command) genPowerShellCompletion(w io.Writer, includeDesc bool) error {

View file

@ -1,3 +0,0 @@
# Generating PowerShell Completions For Your Own cobra.Command
Please refer to [Shell Completions](shell_completions.md#powershell-completions) for details.

View file

@ -0,0 +1,33 @@
// Copyright 2013-2023 The Cobra Authors
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package cobra
import (
"bytes"
"fmt"
"testing"
)
func TestPwshCompletionNoActiveHelp(t *testing.T) {
c := &Command{Use: "c", Run: emptyRun}
buf := new(bytes.Buffer)
assertNoErr(t, c.GenPowerShellCompletion(buf))
output := buf.String()
// check that active help is being disabled
activeHelpVar := activeHelpEnvVar(c.Name())
check(t, output, fmt.Sprintf("${env:%s}=0", activeHelpVar))
}

View file

@ -1,3 +1,17 @@
// Copyright 2013-2023 The Cobra Authors
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package cobra
import (

157
site/content/active_help.md Normal file
View file

@ -0,0 +1,157 @@
# Active Help
Active Help is a framework provided by Cobra which allows a program to define messages (hints, warnings, etc) that will be printed during program usage. It aims to make it easier for your users to learn how to use your program. If configured by the program, Active Help is printed when the user triggers shell completion.
For example,
```
bash-5.1$ helm repo add [tab]
You must choose a name for the repo you are adding.
bash-5.1$ bin/helm package [tab]
Please specify the path to the chart to package
bash-5.1$ bin/helm package [tab][tab]
bin/ internal/ scripts/ pkg/ testdata/
```
**Hint**: A good place to use Active Help messages is when the normal completion system does not provide any suggestions. In such cases, Active Help nicely supplements the normal shell completions to guide the user in knowing what is expected by the program.
## Supported shells
Active Help is currently only supported for the following shells:
- Bash (using [bash completion V2](shell_completions.md#bash-completion-v2) only). Note that bash 4.4 or higher is required for the prompt to appear when an Active Help message is printed.
- Zsh
## Adding Active Help messages
As Active Help uses the shell completion system, the implementation of Active Help messages is done by enhancing custom dynamic completions. If you are not familiar with dynamic completions, please refer to [Shell Completions](shell_completions.md).
Adding Active Help is done through the use of the `cobra.AppendActiveHelp(...)` function, where the program repeatedly adds Active Help messages to the list of completions. Keep reading for details.
### Active Help for nouns
Adding Active Help when completing a noun is done within the `ValidArgsFunction(...)` of a command. Please notice the use of `cobra.AppendActiveHelp(...)` in the following example:
```go
cmd := &cobra.Command{
Use: "add [NAME] [URL]",
Short: "add a chart repository",
Args: require.ExactArgs(2),
RunE: func(cmd *cobra.Command, args []string) error {
return addRepo(args)
},
ValidArgsFunction: func(cmd *cobra.Command, args []string, toComplete string) ([]string, cobra.ShellCompDirective) {
var comps []string
if len(args) == 0 {
comps = cobra.AppendActiveHelp(comps, "You must choose a name for the repo you are adding")
} else if len(args) == 1 {
comps = cobra.AppendActiveHelp(comps, "You must specify the URL for the repo you are adding")
} else {
comps = cobra.AppendActiveHelp(comps, "This command does not take any more arguments")
}
return comps, cobra.ShellCompDirectiveNoFileComp
},
}
```
The example above defines the completions (none, in this specific example) as well as the Active Help messages for the `helm repo add` command. It yields the following behavior:
```
bash-5.1$ helm repo add [tab]
You must choose a name for the repo you are adding
bash-5.1$ helm repo add grafana [tab]
You must specify the URL for the repo you are adding
bash-5.1$ helm repo add grafana https://grafana.github.io/helm-charts [tab]
This command does not take any more arguments
```
**Hint**: As can be seen in the above example, a good place to use Active Help messages is when the normal completion system does not provide any suggestions. In such cases, Active Help nicely supplements the normal shell completions.
### Active Help for flags
Providing Active Help for flags is done in the same fashion as for nouns, but using the completion function registered for the flag. For example:
```go
_ = cmd.RegisterFlagCompletionFunc("version", func(cmd *cobra.Command, args []string, toComplete string) ([]string, cobra.ShellCompDirective) {
if len(args) != 2 {
return cobra.AppendActiveHelp(nil, "You must first specify the chart to install before the --version flag can be completed"), cobra.ShellCompDirectiveNoFileComp
}
return compVersionFlag(args[1], toComplete)
})
```
The example above prints an Active Help message when not enough information was given by the user to complete the `--version` flag.
```
bash-5.1$ bin/helm install myrelease --version 2.0.[tab]
You must first specify the chart to install before the --version flag can be completed
bash-5.1$ bin/helm install myrelease bitnami/solr --version 2.0.[tab][tab]
2.0.1 2.0.2 2.0.3
```
## User control of Active Help
You may want to allow your users to disable Active Help or choose between different levels of Active Help. It is entirely up to the program to define the type of configurability of Active Help that it wants to offer, if any.
Allowing to configure Active Help is entirely optional; you can use Active Help in your program without doing anything about Active Help configuration.
The way to configure Active Help is to use the program's Active Help environment
variable. That variable is named `<PROGRAM>_ACTIVE_HELP` where `<PROGRAM>` is the name of your
program in uppercase with any non-ASCII-alphanumeric characters replaced by an `_`. The variable should be set by the user to whatever
Active Help configuration values are supported by the program.
For example, say `helm` has chosen to support three levels for Active Help: `on`, `off`, `local`. Then a user
would set the desired behavior to `local` by doing `export HELM_ACTIVE_HELP=local` in their shell.
For simplicity, when in `cmd.ValidArgsFunction(...)` or a flag's completion function, the program should read the
Active Help configuration using the `cobra.GetActiveHelpConfig(cmd)` function and select what Active Help messages
should or should not be added (instead of reading the environment variable directly).
For example:
```go
ValidArgsFunction: func(cmd *cobra.Command, args []string, toComplete string) ([]string, cobra.ShellCompDirective) {
activeHelpLevel := cobra.GetActiveHelpConfig(cmd)
var comps []string
if len(args) == 0 {
if activeHelpLevel != "off" {
comps = cobra.AppendActiveHelp(comps, "You must choose a name for the repo you are adding")
}
} else if len(args) == 1 {
if activeHelpLevel != "off" {
comps = cobra.AppendActiveHelp(comps, "You must specify the URL for the repo you are adding")
}
} else {
if activeHelpLevel == "local" {
comps = cobra.AppendActiveHelp(comps, "This command does not take any more arguments")
}
}
return comps, cobra.ShellCompDirectiveNoFileComp
},
```
**Note 1**: If the `<PROGRAM>_ACTIVE_HELP` environment variable is set to the string "0", Cobra will automatically disable all Active Help output (even if some output was specified by the program using the `cobra.AppendActiveHelp(...)` function). Using "0" can simplify your code in situations where you want to blindly disable Active Help without having to call `cobra.GetActiveHelpConfig(cmd)` explicitly.
**Note 2**: If a user wants to disable Active Help for every single program based on Cobra, she can set the environment variable `COBRA_ACTIVE_HELP` to "0". In this case `cobra.GetActiveHelpConfig(cmd)` will return "0" no matter what the variable `<PROGRAM>_ACTIVE_HELP` is set to.
**Note 3**: If the user does not set `<PROGRAM>_ACTIVE_HELP` or `COBRA_ACTIVE_HELP` (which will be a common case), the default value for the Active Help configuration returned by `cobra.GetActiveHelpConfig(cmd)` will be the empty string.
## Active Help with Cobra's default completion command
Cobra provides a default `completion` command for programs that wish to use it.
When using the default `completion` command, Active Help is configurable in the same
fashion as described above using environment variables. You may wish to document this in more
details for your users.
## Debugging Active Help
Debugging your Active Help code is done in the same way as debugging your dynamic completion code, which is with Cobra's hidden `__complete` command. Please refer to [debugging shell completion](shell_completions.md#debugging) for details.
When debugging with the `__complete` command, if you want to specify different Active Help configurations, you should use the active help environment variable. That variable is named `<PROGRAM>_ACTIVE_HELP` where any non-ASCII-alphanumeric characters are replaced by an `_`. For example, we can test deactivating some Active Help as shown below:
```
$ HELM_ACTIVE_HELP=1 bin/helm __complete install wordpress bitnami/h<ENTER>
bitnami/haproxy
bitnami/harbor
_activeHelp_ WARNING: cannot re-use a name that is still in use
:0
Completion ended with directive: ShellCompDirectiveDefault
$ HELM_ACTIVE_HELP=0 bin/helm __complete install wordpress bitnami/h<ENTER>
bitnami/haproxy
bitnami/harbor
:0
Completion ended with directive: ShellCompDirectiveDefault
```

View file

@ -16,10 +16,12 @@ If you do not wish to use the default `completion` command, you can choose to
provide your own, which will take precedence over the default one. (This also provides
backwards-compatibility with programs that already have their own `completion` command.)
If you are using the generator, you can create a completion command by running
If you are using the `cobra-cli` generator,
which can be found at [spf13/cobra-cli](https://github.com/spf13/cobra-cli),
you can create a completion command by running
```bash
cobra add completion
cobra-cli add completion
```
and then modifying the generated `cmd/completion.go` file to look something like this
(writing the shell script to stdout allows the most flexible use):
@ -38,7 +40,7 @@ Bash:
# Linux:
$ %[1]s completion bash > /etc/bash_completion.d/%[1]s
# macOS:
$ %[1]s completion bash > /usr/local/etc/bash_completion.d/%[1]s
$ %[1]s completion bash > $(brew --prefix)/etc/bash_completion.d/%[1]s
Zsh:
@ -69,7 +71,7 @@ PowerShell:
`,cmd.Root().Name()),
DisableFlagsInUseLine: true,
ValidArgs: []string{"bash", "zsh", "fish", "powershell"},
Args: cobra.ExactValidArgs(1),
Args: cobra.MatchAll(cobra.ExactArgs(1), cobra.OnlyValidArgs),
Run: func(cmd *cobra.Command, args []string) {
switch args[0] {
case "bash":
@ -97,6 +99,11 @@ To tell Cobra *not* to provide the default `completion` command:
rootCmd.CompletionOptions.DisableDefaultCmd = true
```
To tell Cobra to mark the default `completion` command as *hidden*:
```
rootCmd.CompletionOptions.HiddenDefaultCmd = true
```
To tell Cobra *not* to provide the user with the `--no-descriptions` flag to the completion sub-commands:
```
rootCmd.CompletionOptions.DisableNoDescFlag = true
@ -120,7 +127,7 @@ For example, if you want `kubectl get [tab][tab]` to show a list of valid "nouns
Some simplified code from `kubectl get` looks like:
```go
validArgs []string = { "pod", "node", "service", "replicationcontroller" }
validArgs = []string{ "pod", "node", "service", "replicationcontroller" }
cmd := &cobra.Command{
Use: "get [(-o|--output=)json|yaml|template|...] (RESOURCE [NAME] | RESOURCE/NAME ...)",
@ -146,7 +153,7 @@ node pod replicationcontroller service
If your nouns have aliases, you can define them alongside `ValidArgs` using `ArgAliases`:
```go
argAliases []string = { "pods", "nodes", "services", "svc", "replicationcontrollers", "rc" }
argAliases = []string { "pods", "nodes", "services", "svc", "replicationcontrollers", "rc" }
cmd := &cobra.Command{
...
@ -155,16 +162,7 @@ cmd := &cobra.Command{
}
```
The aliases are not shown to the user on tab completion, but they are accepted as valid nouns by
the completion algorithm if entered manually, e.g. in:
```bash
$ kubectl get rc [tab][tab]
backend frontend database
```
Note that without declaring `rc` as an alias, the completion algorithm would not know to show the list of
replication controllers following `rc`.
The aliases are shown to the user on tab completion only if no completions were found within sub-commands or `ValidArgs`.
### Dynamic completion of nouns
@ -230,6 +228,10 @@ ShellCompDirectiveFilterFileExt
// return []string{"themes"}, ShellCompDirectiveFilterDirs
//
ShellCompDirectiveFilterDirs
// ShellCompDirectiveKeepOrder indicates that the shell should preserve the order
// in which the completions are provided
ShellCompDirectiveKeepOrder
```
***Note***: When using the `ValidArgsFunction`, Cobra will call your registered function after having parsed all flags and arguments provided in the command-line. You therefore don't need to do this parsing yourself. For example, when a user calls `helm status --namespace my-rook-ns [tab][tab]`, Cobra will call your registered `ValidArgsFunction` after having parsed the `--namespace` flag, as it would have done when calling the `RunE` function.
@ -378,6 +380,22 @@ or
```go
ValidArgs: []string{"bash\tCompletions for bash", "zsh\tCompletions for zsh"}
```
If you don't want to show descriptions in the completions, you can add `--no-descriptions` to the default `completion` command to disable them, like:
```bash
$ source <(helm completion bash)
$ helm completion [tab][tab]
bash (generate autocompletion script for bash) powershell (generate autocompletion script for powershell)
fish (generate autocompletion script for fish) zsh (generate autocompletion script for zsh)
$ source <(helm completion bash --no-descriptions)
$ helm completion [tab][tab]
bash fish powershell zsh
```
Setting the `<PROGRAM>_COMPLETION_DESCRIPTIONS` environment variable (falling back to `COBRA_COMPLETION_DESCRIPTIONS` if empty or not set) to a [falsey value](https://pkg.go.dev/strconv#ParseBool) achieves the same. `<PROGRAM>` is the name of your program with all non-ASCII-alphanumeric characters replaced by `_`.
## Bash completions
### Dependencies
@ -401,7 +419,7 @@ completion firstcommand secondcommand
### Bash legacy dynamic completions
For backward compatibility, Cobra still supports its bash legacy dynamic completion solution.
Please refer to [Bash Completions](bash_completions.md) for details.
Please refer to [Bash Completions](bash.md) for details.
### Bash completion V2
@ -410,13 +428,13 @@ Cobra provides two versions for bash completion. The original bash completion (
A new V2 bash completion version is also available. This version can be used by calling `GenBashCompletionV2()` or
`GenBashCompletionFileV2()`. The V2 version does **not** support the legacy dynamic completion
(see [Bash Completions](bash_completions.md)) but instead works only with the Go dynamic completion
(see [Bash Completions](bash.md)) but instead works only with the Go dynamic completion
solution described in this document.
Unless your program already uses the legacy dynamic completion solution, it is recommended that you use the bash
completion V2 solution which provides the following extra features:
- Supports completion descriptions (like the other shells)
- Small completion script of less than 300 lines (v1 generates scripts of thousands of lines; `kubectl` for example has a bash v1 completion script of over 13K lines)
- Streamlined user experience thanks to a completion behavior aligned with the other shells
- Streamlined user experience thanks to a completion behavior aligned with the other shells
`Bash` completion V2 supports descriptions for completions. When calling `GenBashCompletionV2()` or `GenBashCompletionFileV2()`
you must provide these functions with a parameter indicating if the completions should be annotated with a description; Cobra
@ -433,7 +451,7 @@ show (show information of a chart)
$ helm s[tab][tab]
search show status
```
**Note**: Cobra's default `completion` command uses bash completion V2. If for some reason you need to use bash completion V1, you will need to implement your own `completion` command.
**Note**: Cobra's default `completion` command uses bash completion V2. If for some reason you need to use bash completion V1, you will need to implement your own `completion` command.
## Zsh completions
Cobra supports native zsh completion generated from the root `cobra.Command`.
@ -467,7 +485,7 @@ search show status
### Zsh completions standardization
Cobra 1.1 standardized its zsh completion support to align it with its other shell completions. Although the API was kept backward-compatible, some small changes in behavior were introduced.
Please refer to [Zsh Completions](zsh_completions.md) for details.
Please refer to [Zsh Completions](zsh.md) for details.
## fish completions
@ -520,7 +538,7 @@ search (search for a keyword in charts) show (show information of a chart) s
# With descriptions and Mode 'MenuComplete' The description of the current selected value will be displayed below the suggestions.
$ helm s[tab]
search show status
search show status
search for a keyword in charts
@ -528,6 +546,21 @@ search for a keyword in charts
$ helm s[tab]
search show status
```
### Aliases
You can also configure `powershell` aliases for your program and they will also support completions.
```
$ sal aliasname origcommand
$ Register-ArgumentCompleter -CommandName 'aliasname' -ScriptBlock $__origcommandCompleterBlock
# and now when you run `aliasname` completion will make
# suggestions as it did for `origcommand`.
$ aliasname <tab>
completion firstcommand secondcommand
```
The name of the completer block variable is of the form `$__<programName>CompleterBlock` where every `-` and `:` in the program name have been replaced with `_`, to respect powershell naming syntax.
### Limitations

View file

@ -1,6 +1,6 @@
# Generating Bash Completions For Your cobra.Command
Please refer to [Shell Completions](shell_completions.md) for details.
Please refer to [Shell Completions](_index.md) for details.
## Bash legacy dynamic completions

View file

@ -0,0 +1,4 @@
## Generating Fish Completions For Your cobra.Command
Please refer to [Shell Completions](_index.md) for details.

View file

@ -0,0 +1,3 @@
# Generating PowerShell Completions For Your Own cobra.Command
Please refer to [Shell Completions](_index.md#powershell-completions) for details.

View file

@ -1,6 +1,6 @@
## Generating Zsh Completion For Your cobra.Command
Please refer to [Shell Completions](shell_completions.md) for details.
Please refer to [Shell Completions](_index.md) for details.
## Zsh completions standardization

View file

@ -0,0 +1,17 @@
# Documentation generation
- [Man page docs](man.md)
- [Markdown docs](md.md)
- [Rest docs](rest.md)
- [Yaml docs](yaml.md)
## Options
### `DisableAutoGenTag`
You may set `cmd.DisableAutoGenTag = true`
to _entirely_ remove the auto generated string "Auto generated by spf13/cobra..."
from any documentation source.
### `InitDefaultCompletionCmd`
You may call `cmd.InitDefaultCompletionCmd()` to document the default autocompletion command.

View file

@ -85,7 +85,7 @@ func GenMarkdownCustom(cmd *Command, out *bytes.Buffer, linkHandler func(string)
}
```
The `filePrepender` will prepend the return value given the full filepath to the rendered Markdown file. A common use case is to add front matter to use the generated documentation with [Hugo](http://gohugo.io/):
The `filePrepender` will prepend the return value given the full filepath to the rendered Markdown file. A common use case is to add front matter to use the generated documentation with [Hugo](https://gohugo.io/):
```go
const fmTemplate = `---

View file

@ -85,7 +85,7 @@ func GenReSTCustom(cmd *Command, out *bytes.Buffer, linkHandler func(string, str
}
```
The `filePrepender` will prepend the return value given the full filepath to the rendered ReST file. A common use case is to add front matter to use the generated documentation with [Hugo](http://gohugo.io/):
The `filePrepender` will prepend the return value given the full filepath to the rendered ReST file. A common use case is to add front matter to use the generated documentation with [Hugo](https://gohugo.io/):
```go
const fmTemplate = `---

View file

@ -82,7 +82,7 @@ func GenYamlCustom(cmd *Command, out *bytes.Buffer, linkHandler func(string) str
}
```
The `filePrepender` will prepend the return value given the full filepath to the rendered Yaml file. A common use case is to add front matter to use the generated documentation with [Hugo](http://gohugo.io/):
The `filePrepender` will prepend the return value given the full filepath to the rendered Yaml file. A common use case is to add front matter to use the generated documentation with [Hugo](https://gohugo.io/):
```go
const fmTemplate = `---

View file

@ -1,28 +1,38 @@
## Projects using Cobra
- [Allero](https://github.com/allero-io/allero)
- [Arewefastyet](https://benchmark.vitess.io)
- [Arduino CLI](https://github.com/arduino/arduino-cli)
- [Bleve](http://www.blevesearch.com/)
- [CockroachDB](http://www.cockroachlabs.com/)
- [Bleve](https://blevesearch.com/)
- [Cilium](https://cilium.io/)
- [CloudQuery](https://github.com/cloudquery/cloudquery)
- [CockroachDB](https://www.cockroachlabs.com/)
- [Constellation](https://github.com/edgelesssys/constellation)
- [Cosmos SDK](https://github.com/cosmos/cosmos-sdk)
- [Datree](https://github.com/datreeio/datree)
- [Delve](https://github.com/derekparker/delve)
- [Docker (distribution)](https://github.com/docker/distribution)
- [Encore](https://encore.dev)
- [Etcd](https://etcd.io/)
- [Gardener](https://github.com/gardener/gardenctl)
- [Giant Swarm's gsctl](https://github.com/giantswarm/gsctl)
- [Git Bump](https://github.com/erdaltsksn/git-bump)
- [Github CLI](https://github.com/cli/cli)
- [GitHub CLI](https://github.com/cli/cli)
- [GitHub Labeler](https://github.com/erdaltsksn/gh-label)
- [Golangci-lint](https://golangci-lint.run)
- [GopherJS](http://www.gopherjs.org/)
- [GopherJS](https://github.com/gopherjs/gopherjs)
- [GoReleaser](https://goreleaser.com)
- [Helm](https://helm.sh)
- [Hugo](https://gohugo.io)
- [Incus](https://linuxcontainers.org/incus/)
- [Infracost](https://github.com/infracost/infracost)
- [Istio](https://istio.io)
- [Kool](https://github.com/kool-dev/kool)
- [Kubernetes](http://kubernetes.io/)
- [Kubernetes](https://kubernetes.io/)
- [Kubescape](https://github.com/kubescape/kubescape)
- [KubeVirt](https://github.com/kubevirt/kubevirt)
- [Linkerd](https://linkerd.io/)
- [LXC](https://github.com/canonical/lxd)
- [Mattermost-server](https://github.com/mattermost/mattermost-server)
- [Mercure](https://mercure.rocks/)
- [Meroxa CLI](https://github.com/meroxa/cli)
@ -32,19 +42,28 @@
- [Multi-gitter](https://github.com/lindell/multi-gitter)
- [Nanobox](https://github.com/nanobox-io/nanobox)/[Nanopack](https://github.com/nanopack)
- [nFPM](https://nfpm.goreleaser.com)
- [Okteto](https://github.com/okteto/okteto)
- [OpenShift](https://www.openshift.com/)
- [Ory Hydra](https://github.com/ory/hydra)
- [Ory Kratos](https://github.com/ory/kratos)
- [Pixie](https://github.com/pixie-io/pixie)
- [Polygon Edge](https://github.com/0xPolygon/polygon-edge)
- [Pouch](https://github.com/alibaba/pouch)
- [ProjectAtomic (enterprise)](http://www.projectatomic.io/)
- [ProjectAtomic (enterprise)](https://www.projectatomic.io/)
- [Prototool](https://github.com/uber/prototool)
- [Pulumi](https://www.pulumi.com)
- [QRcp](https://github.com/claudiodangelis/qrcp)
- [Random](https://github.com/erdaltsksn/random)
- [Rclone](https://rclone.org/)
- [Scaleway CLI](https://github.com/scaleway/scaleway-cli)
- [Sia](https://github.com/SiaFoundation/siad)
- [Skaffold](https://skaffold.dev/)
- [Taikun](https://taikun.cloud/)
- [Tendermint](https://github.com/tendermint/tendermint)
- [Twitch CLI](https://github.com/twitchdev/twitch-cli)
- [UpCloud CLI (`upctl`)](https://github.com/UpCloudLtd/upcloud-cli)
- [Vitess](https://vitess.io)
- VMware's [Tanzu Community Edition](https://github.com/vmware-tanzu/community-edition) & [Tanzu Framework](https://github.com/vmware-tanzu/tanzu-framework)
- [Werf](https://werf.io/)
- [Zarf](https://github.com/defenseunicorns/zarf)
- [ZITADEL](https://github.com/zitadel/zitadel)

View file

@ -3,7 +3,7 @@
While you are welcome to provide your own organization, typically a Cobra-based
application will follow the following organizational structure:
```
```test
▾ appName/
▾ cmd/
add.go
@ -29,10 +29,10 @@ func main() {
## Using the Cobra Generator
Cobra provides its own program that will create your application and add any
commands you want. It's the easiest way to incorporate Cobra into your application.
Cobra-CLI is its own program that will create your application and add any commands you want.
It's the easiest way to incorporate Cobra into your application.
For complete details on using the Cobra generator, please read [The Cobra Generator README](https://github.com/spf13/cobra/blob/master/cobra/README.md)
For complete details on using the Cobra generator, please refer to [The Cobra-CLI Generator README](https://github.com/spf13/cobra-cli/blob/main/README.md)
## Using the Cobra Library
@ -51,7 +51,7 @@ var rootCmd = &cobra.Command{
Short: "Hugo is a very fast static site generator",
Long: `A Fast and Flexible Static Site Generator built with
love by spf13 and friends in Go.
Complete documentation is available at http://hugo.spf13.com`,
Complete documentation is available at https://gohugo.io/documentation/`,
Run: func(cmd *cobra.Command, args []string) {
// Do Stuff Here
},
@ -86,7 +86,7 @@ var (
userLicense string
rootCmd = &cobra.Command{
Use: "cobra",
Use: "cobra-cli",
Short: "A generator for Cobra based Applications",
Long: `Cobra is a CLI library for Go that empowers applications.
This application is a tool to generate the needed files
@ -188,6 +188,37 @@ var versionCmd = &cobra.Command{
}
```
### Organizing subcommands
A command may have subcommands which in turn may have other subcommands. This is achieved by using
`AddCommand`. In some cases, especially in larger applications, each subcommand may be defined in
its own go package.
The suggested approach is for the parent command to use `AddCommand` to add its most immediate
subcommands. For example, consider the following directory structure:
```text
├── cmd
│   ├── root.go
│   └── sub1
│   ├── sub1.go
│   └── sub2
│   ├── leafA.go
│   ├── leafB.go
│   └── sub2.go
└── main.go
```
In this case:
* The `init` function of `root.go` adds the command defined in `sub1.go` to the root command.
* The `init` function of `sub1.go` adds the command defined in `sub2.go` to the sub1 command.
* The `init` function of `sub2.go` adds the commands defined in `leafA.go` and `leafB.go` to the
sub2 command.
This approach ensures the subcommands are always included at compile time while avoiding cyclic
references.
### Returning and handling errors
If you wish to return an error to the caller of a command, `RunE` can be used.
@ -270,6 +301,7 @@ command := cobra.Command{
### Bind Flags with Config
You can also bind your flags with [viper](https://github.com/spf13/viper):
```go
var author string
@ -289,43 +321,99 @@ More in [viper documentation](https://github.com/spf13/viper#working-with-flags)
Flags are optional by default. If instead you wish your command to report an error
when a flag has not been set, mark it as required:
```go
rootCmd.Flags().StringVarP(&Region, "region", "r", "", "AWS region (required)")
rootCmd.MarkFlagRequired("region")
```
Or, for persistent flags:
```go
rootCmd.PersistentFlags().StringVarP(&Region, "region", "r", "", "AWS region (required)")
rootCmd.MarkPersistentFlagRequired("region")
```
### Flag Groups
If you have different flags that must be provided together (e.g. if they provide the `--username` flag they MUST provide the `--password` flag as well) then
Cobra can enforce that requirement:
```go
rootCmd.Flags().StringVarP(&u, "username", "u", "", "Username (required if password is set)")
rootCmd.Flags().StringVarP(&pw, "password", "p", "", "Password (required if username is set)")
rootCmd.MarkFlagsRequiredTogether("username", "password")
```
You can also prevent different flags from being provided together if they represent mutually
exclusive options such as specifying an output format as either `--json` or `--yaml` but never both:
```go
rootCmd.Flags().BoolVar(&ofJson, "json", false, "Output in JSON")
rootCmd.Flags().BoolVar(&ofYaml, "yaml", false, "Output in YAML")
rootCmd.MarkFlagsMutuallyExclusive("json", "yaml")
```
If you want to require at least one flag from a group to be present, you can use `MarkFlagsOneRequired`.
This can be combined with `MarkFlagsMutuallyExclusive` to enforce exactly one flag from a given group:
```go
rootCmd.Flags().BoolVar(&ofJson, "json", false, "Output in JSON")
rootCmd.Flags().BoolVar(&ofYaml, "yaml", false, "Output in YAML")
rootCmd.MarkFlagsOneRequired("json", "yaml")
rootCmd.MarkFlagsMutuallyExclusive("json", "yaml")
```
In these cases:
- both local and persistent flags can be used
- **NOTE:** the group is only enforced on commands where every flag is defined
- a flag may appear in multiple groups
- a group may contain any number of flags
## Positional and Custom Arguments
Validation of positional arguments can be specified using the `Args` field
of `Command`.
Validation of positional arguments can be specified using the `Args` field of `Command`.
The following validators are built in:
- `NoArgs` - the command will report an error if there are any positional args.
- `ArbitraryArgs` - the command will accept any args.
- `OnlyValidArgs` - the command will report an error if there are any positional args that are not in the `ValidArgs` field of `Command`.
- `MinimumNArgs(int)` - the command will report an error if there are not at least N positional args.
- `MaximumNArgs(int)` - the command will report an error if there are more than N positional args.
- `ExactArgs(int)` - the command will report an error if there are not exactly N positional args.
- `ExactValidArgs(int)` - the command will report an error if there are not exactly N positional args OR if there are any positional args that are not in the `ValidArgs` field of `Command`
- `RangeArgs(min, max)` - the command will report an error if the number of args is not between the minimum and maximum number of expected args.
- `MatchAll(pargs ...PositionalArgs)` - enables combining existing checks with arbitrary other checks (e.g. you want to check the ExactArgs length along with other qualities).
- Number of arguments:
- `NoArgs` - report an error if there are any positional args.
- `ArbitraryArgs` - accept any number of args.
- `MinimumNArgs(int)` - report an error if less than N positional args are provided.
- `MaximumNArgs(int)` - report an error if more than N positional args are provided.
- `ExactArgs(int)` - report an error if there are not exactly N positional args.
- `RangeArgs(min, max)` - report an error if the number of args is not between `min` and `max`.
- Content of the arguments:
- `OnlyValidArgs` - report an error if there are any positional args not specified in the `ValidArgs` field of `Command`, which can optionally be set to a list of valid values for positional args.
An example of setting the custom validator:
If `Args` is undefined or `nil`, it defaults to `ArbitraryArgs`.
Moreover, `MatchAll(pargs ...PositionalArgs)` enables combining existing checks with arbitrary other checks.
For instance, if you want to report an error if there are not exactly N positional args OR if there are any positional
args that are not in the `ValidArgs` field of `Command`, you can call `MatchAll` on `ExactArgs` and `OnlyValidArgs`, as
shown below:
```go
var cmd = &cobra.Command{
Short: "hello",
Args: cobra.MatchAll(cobra.ExactArgs(2), cobra.OnlyValidArgs),
Run: func(cmd *cobra.Command, args []string) {
fmt.Println("Hello, World!")
},
}
```
It is possible to set any custom validator that satisfies `func(cmd *cobra.Command, args []string) error`.
For example:
```go
var cmd = &cobra.Command{
Short: "hello",
Args: func(cmd *cobra.Command, args []string) error {
if len(args) < 1 {
return errors.New("requires a color argument")
// Optionally run one of the validators provided by cobra
if err := cobra.MinimumNArgs(1)(cmd, args); err != nil {
return err
}
// Run the custom validation logic
if myapp.IsValidColor(args[0]) {
return nil
}
@ -346,7 +434,7 @@ by not providing a 'Run' for the 'rootCmd'.
We have only defined one flag for a single command.
More documentation about flags is available at https://github.com/spf13/pflag
More documentation about flags is available at https://github.com/spf13/pflag.
```go
package main
@ -405,7 +493,7 @@ a count and a string.`,
}
```
For a more complete example of a larger application, please checkout [Hugo](http://gohugo.io/).
For a more complete example of a larger application, please checkout [Hugo](https://gohugo.io/).
## Help Command
@ -420,37 +508,46 @@ create' is called. Every command will automatically have the '--help' flag adde
The following output is automatically generated by Cobra. Nothing beyond the
command and flag definitions are needed.
$ cobra help
$ cobra-cli help
Cobra is a CLI library for Go that empowers applications.
This application is a tool to generate the needed files
to quickly create a Cobra application.
Usage:
cobra [command]
cobra-cli [command]
Available Commands:
add Add a command to a Cobra Application
completion Generate the autocompletion script for the specified shell
help Help about any command
init Initialize a Cobra Application
Flags:
-a, --author string author name for copyright attribution (default "YOUR NAME")
--config string config file (default is $HOME/.cobra.yaml)
-h, --help help for cobra
-h, --help help for cobra-cli
-l, --license string name of license for the project
--viper use Viper for configuration (default true)
--viper use Viper for configuration
Use "cobra [command] --help" for more information about a command.
Use "cobra-cli [command] --help" for more information about a command.
Help is just a command like any other. There is no special logic or behavior
around it. In fact, you can provide your own if you want.
### Grouping commands in help
Cobra supports grouping of available commands in the help output. To group commands, each group must be explicitly
defined using `AddGroup()` on the parent command. Then a subcommand can be added to a group using the `GroupID` element
of that subcommand. The groups will appear in the help output in the same order as they are defined using different
calls to `AddGroup()`. If you use the generated `help` or `completion` commands, you can set their group ids using
`SetHelpCommandGroupId()` and `SetCompletionCommandGroupId()` on the root command, respectively.
### Defining your own help
You can provide your own Help command or your own template for the default command to use
with following functions:
with the following functions:
```go
cmd.SetHelpCommand(cmd *Command)
@ -469,22 +566,23 @@ showing the user the 'usage'.
You may recognize this from the help above. That's because the default help
embeds the usage as part of its output.
$ cobra --invalid
$ cobra-cli --invalid
Error: unknown flag: --invalid
Usage:
cobra [command]
cobra-cli [command]
Available Commands:
add Add a command to a Cobra Application
completion Generate the autocompletion script for the specified shell
help Help about any command
init Initialize a Cobra Application
Flags:
-a, --author string author name for copyright attribution (default "YOUR NAME")
--config string config file (default is $HOME/.cobra.yaml)
-h, --help help for cobra
-h, --help help for cobra-cli
-l, --license string name of license for the project
--viper use Viper for configuration (default true)
--viper use Viper for configuration
Use "cobra [command] --help" for more information about a command.
@ -504,9 +602,15 @@ Running an application with the '--version' flag will print the version to stdou
the version template. The template can be customized using the
`cmd.SetVersionTemplate(s string)` function.
## Error Message Prefix
Cobra prints an error message when receiving a non-nil error value.
The default error message is `Error: <error contents>`.
The Prefix, `Error:` can be customized using the `cmd.SetErrPrefix(s string)` function.
## PreRun and PostRun Hooks
It is possible to run functions before or after the main `Run` function of your command. The `PersistentPreRun` and `PreRun` functions will be executed before `Run`. `PersistentPostRun` and `PostRun` will be executed after `Run`. The `Persistent*Run` functions will be inherited by children if they do not declare their own. These functions are run in the following order:
It is possible to run functions before or after the main `Run` function of your command. The `PersistentPreRun` and `PreRun` functions will be executed before `Run`. `PersistentPostRun` and `PostRun` will be executed after `Run`. The `Persistent*Run` functions will be inherited by children if they do not declare their own. The `*PreRun` and `*PostRun` functions will only be executed if the `Run` function of the current command has been declared. These functions are run in the following order:
- `PersistentPreRun`
- `PreRun`
@ -589,6 +693,10 @@ Inside subCmd PostRun with args: [arg1 arg2]
Inside subCmd PersistentPostRun with args: [arg1 arg2]
```
By default, only the first persistent hook found in the command chain is executed.
That is why in the above output, the `rootCmd PersistentPostRun` was not called for a child command.
Set `EnableTraverseRunHooks` global variable to `true` if you want to execute all parents' persistent hooks.
## Suggestions when "unknown command" happens
Cobra will print automatic suggestions when "unknown command" errors happen. This allows Cobra to behave similarly to the `git` command when a typo happens. For example:
@ -603,7 +711,7 @@ Did you mean this?
Run 'hugo --help' for usage.
```
Suggestions are automatic based on every subcommand registered and use an implementation of [Levenshtein distance](http://en.wikipedia.org/wiki/Levenshtein_distance). Every registered command that matches a minimum distance of 2 (ignoring case) will be displayed as a suggestion.
Suggestions are automatically generated based on existing subcommands and use an implementation of [Levenshtein distance](https://en.wikipedia.org/wiki/Levenshtein_distance). Every registered command that matches a minimum distance of 2 (ignoring case) will be displayed as a suggestion.
If you need to disable suggestions or tweak the string distance in your command, use:
@ -617,9 +725,10 @@ or
command.SuggestionsMinimumDistance = 1
```
You can also explicitly set names for which a given command will be suggested using the `SuggestFor` attribute. This allows suggestions for strings that are not close in terms of string distance, but makes sense in your set of commands and for some which you don't want aliases. Example:
You can also explicitly set names for which a given command will be suggested using the `SuggestFor` attribute. This allows suggestions for strings that are not close in terms of string distance, but make sense in your set of commands but for which
you don't want aliases. Example:
```
```bash
$ kubectl remove
Error: unknown command "remove" for "kubectl"
@ -631,8 +740,71 @@ Run 'kubectl help' for usage.
## Generating documentation for your command
Cobra can generate documentation based on subcommands, flags, etc. Read more about it in the [docs generation documentation](doc/README.md).
Cobra can generate documentation based on subcommands, flags, etc.
Read more about it in the [docs generation documentation](docgen/_index.md).
## Generating shell completions
Cobra can generate a shell-completion file for the following shells: bash, zsh, fish, PowerShell. If you add more information to your commands, these completions can be amazingly powerful and flexible. Read more about it in [Shell Completions](shell_completions.md).
Cobra can generate a shell-completion file for the following shells: bash, zsh, fish, PowerShell.
If you add more information to your commands, these completions can be amazingly powerful and flexible.
Read more about it in [Shell Completions](completions/_index.md).
## Providing Active Help
Cobra makes use of the shell-completion system to define a framework allowing you to provide Active Help to your users.
Active Help are messages (hints, warnings, etc) printed as the program is being used.
Read more about it in [Active Help](active_help.md).
## Creating a plugin
When creating a plugin for tools like *kubectl*, the executable is named
`kubectl-myplugin`, but it is used as `kubectl myplugin`. To fix help
messages and completions, annotate the root command with the
`cobra.CommandDisplayNameAnnotation` annotation.
### Example kubectl plugin
```go
package main
import (
"fmt"
"github.com/spf13/cobra"
)
func main() {
rootCmd := &cobra.Command{
Use: "kubectl-myplugin",
Annotations: map[string]string{
cobra.CommandDisplayNameAnnotation: "kubectl myplugin",
},
}
subCmd := &cobra.Command{
Use: "subcmd",
Run: func(cmd *cobra.Command, args []string) {
fmt.Println("kubectl myplugin subcmd")
},
}
rootCmd.AddCommand(subCmd)
rootCmd.Execute()
}
```
Example run as a kubectl plugin:
```bash
$ kubectl myplugin
Usage:
kubectl myplugin [command]
Available Commands:
completion Generate the autocompletion script for the specified shell
help Help about any command
subcmd
Flags:
-h, --help help for kubectl myplugin
Use "kubectl myplugin [command] --help" for more information about a command.
```

View file

@ -1,3 +1,17 @@
// Copyright 2013-2023 The Cobra Authors
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package cobra
import (
@ -75,7 +89,8 @@ func genZshComp(buf io.StringWriter, name string, includeDesc bool) {
if !includeDesc {
compCmd = ShellCompNoDescRequestCmd
}
WriteStringAndCheck(buf, fmt.Sprintf(`#compdef _%[1]s %[1]s
WriteStringAndCheck(buf, fmt.Sprintf(`#compdef %[1]s
compdef _%[1]s %[1]s
# zsh completion for %-36[1]s -*- shell-script -*-
@ -94,8 +109,9 @@ _%[1]s()
local shellCompDirectiveNoFileComp=%[5]d
local shellCompDirectiveFilterFileExt=%[6]d
local shellCompDirectiveFilterDirs=%[7]d
local shellCompDirectiveKeepOrder=%[8]d
local lastParam lastChar flagPrefix requestComp out directive comp lastComp noSpace
local lastParam lastChar flagPrefix requestComp out directive comp lastComp noSpace keepOrder
local -a completions
__%[1]s_debug "\n========= starting completion logic =========="
@ -163,7 +179,24 @@ _%[1]s()
return
fi
local activeHelpMarker="%[9]s"
local endIndex=${#activeHelpMarker}
local startIndex=$((${#activeHelpMarker}+1))
local hasActiveHelp=0
while IFS='\n' read -r comp; do
# Check if this is an activeHelp statement (i.e., prefixed with $activeHelpMarker)
if [ "${comp[1,$endIndex]}" = "$activeHelpMarker" ];then
__%[1]s_debug "ActiveHelp found: $comp"
comp="${comp[$startIndex,-1]}"
if [ -n "$comp" ]; then
compadd -x "${comp}"
__%[1]s_debug "ActiveHelp will need delimiter"
hasActiveHelp=1
fi
continue
fi
if [ -n "$comp" ]; then
# If requested, completions are returned with a description.
# The description is preceded by a TAB character.
@ -171,7 +204,7 @@ _%[1]s()
# We first need to escape any : as part of the completion itself.
comp=${comp//:/\\:}
local tab=$(printf '\t')
local tab="$(printf '\t')"
comp=${comp//$tab/:}
__%[1]s_debug "Adding completion: ${comp}"
@ -180,11 +213,27 @@ _%[1]s()
fi
done < <(printf "%%s\n" "${out[@]}")
# Add a delimiter after the activeHelp statements, but only if:
# - there are completions following the activeHelp statements, or
# - file completion will be performed (so there will be choices after the activeHelp)
if [ $hasActiveHelp -eq 1 ]; then
if [ ${#completions} -ne 0 ] || [ $((directive & shellCompDirectiveNoFileComp)) -eq 0 ]; then
__%[1]s_debug "Adding activeHelp delimiter"
compadd -x "--"
hasActiveHelp=0
fi
fi
if [ $((directive & shellCompDirectiveNoSpace)) -ne 0 ]; then
__%[1]s_debug "Activating nospace."
noSpace="-S ''"
fi
if [ $((directive & shellCompDirectiveKeepOrder)) -ne 0 ]; then
__%[1]s_debug "Activating keep order."
keepOrder="-V"
fi
if [ $((directive & shellCompDirectiveFilterFileExt)) -ne 0 ]; then
# File extension filtering
local filteringCmd
@ -220,7 +269,7 @@ _%[1]s()
return $result
else
__%[1]s_debug "Calling _describe"
if eval _describe "completions" completions $flagPrefix $noSpace; then
if eval _describe $keepOrder "completions" completions $flagPrefix $noSpace; then
__%[1]s_debug "_describe found some completions"
# Return the success of having called _describe
@ -254,5 +303,6 @@ if [ "$funcstack[1]" = "_%[1]s" ]; then
fi
`, name, compCmd,
ShellCompDirectiveError, ShellCompDirectiveNoSpace, ShellCompDirectiveNoFileComp,
ShellCompDirectiveFilterFileExt, ShellCompDirectiveFilterDirs))
ShellCompDirectiveFilterFileExt, ShellCompDirectiveFilterDirs, ShellCompDirectiveKeepOrder,
activeHelpMarker))
}

View file

@ -1,9 +1,10 @@
// Copyright © 2015 Steve Francia <spf@spf13.com>.
// Copyright 2013-2023 The Cobra Authors
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
// http://www.apache.org/licenses/LICENSE-2.0
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
@ -11,16 +12,22 @@
// See the License for the specific language governing permissions and
// limitations under the License.
package main
package cobra
import (
"os"
"github.com/spf13/cobra/cobra/cmd"
"bytes"
"fmt"
"testing"
)
func main() {
if err := cmd.Execute(); err != nil {
os.Exit(1)
}
func TestZshCompletionWithActiveHelp(t *testing.T) {
c := &Command{Use: "c", Run: emptyRun}
buf := new(bytes.Buffer)
assertNoErr(t, c.GenZshCompletion(buf))
output := buf.String()
// check that active help is not being disabled
activeHelpVar := activeHelpEnvVar(c.Name())
checkOmit(t, output, fmt.Sprintf("%s=0", activeHelpVar))
}