glenux-archive/spf13--cobra
1
0
Fork 0
mirror of https://github.com/spf13/cobra synced 2024-11-24 14:47:12 +00:00
Code Issues Projects Releases Packages Wiki Activity

changes README to have go code ran through gofmt

Browse source
This commit is contained in:
Austin Riendeau 2015-11-07 18:37:52 -07:00 committed by spf13
parent 1e1d5137bf
commit d4c0084f5d
1 changed files with 78 additions and 95 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

39
README.md
View file

@ -119,6 +119,7 @@ The root command represents your binary itself.
Cobra doesn't require any special constructors. Simply create your commands.
```go
var HugoCmd = &cobra.Command{
Use: "hugo",
Short: "Hugo is a very fast static site generator",
@ -129,11 +130,13 @@ Cobra doesn't require any special constructors. Simply create your commands.
// Do Stuff Here
},
}
```
### Create additional commands
Additional commands can be defined.
```go
var versionCmd = &cobra.Command{
Use: "version",
Short: "Print the version number of Hugo",
@ -142,6 +145,7 @@ Additional commands can be defined.
fmt.Println("Hugo Static Site Generator v0.9 -- HEAD")
},
}
```
### Attach command to its parent
In this example we are attaching it to the root, but commands can be attached at any level.
@ -198,11 +202,14 @@ 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
```go
package main
import (
"github.com/spf13/cobra"
"fmt"
"strings"
"github.com/spf13/cobra"
)
func main() {
@ -250,7 +257,7 @@ More documentation about flags is available at https://github.com/spf13/pflag
cmdEcho.AddCommand(cmdTimes)
rootCmd.Execute()
}
```
For a more complete example of a larger application, please checkout [Hugo](http://hugo.spf13.com)
## The Help Command
@ -308,6 +315,7 @@ You can provide your own Help command or you own template for the default comman
The default help command is
```go
func (c *Command) initHelp() {
if c.helpCommand == nil {
c.helpCommand = &Command{
@ -320,6 +328,7 @@ The default help command is
}
c.AddCommand(c.helpCommand)
}
```
You can provide your own command, function or template through the following methods.
@ -462,32 +471,6 @@ Cobra also has functions where the return signature is an error. This allows for
**Example Usage using RunE:**
```go
package main
import (
"errors"
"log"
"github.com/spf13/cobra"
)
func main() {
var rootCmd = &cobra.Command{
Use: "hugo",
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`,
RunE: func(cmd *cobra.Command, args []string) error {
// Do Stuff Here
return errors.New("some random error")
},
}
if err := rootCmd.Execute(); err != nil {
log.Fatal(err)
}
}
```
## Suggestions when "unknown command" happens