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Merge pull request #313 from euank/swift-as-a-cobra-hidden-as-a-ninja

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Display neither hidden nor deprecated flags in bash completion
This commit is contained in:
Eric Paris 2016-08-02 18:37:37 -04:00 committed by GitHub
commit 7c674d9e72
2 changed files with 53 additions and 0 deletions
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13
bash_completions.go
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@ -421,6 +421,9 @@ func writeFlags(cmd *Command, w io.Writer) error {
localNonPersistentFlags := cmd.LocalNonPersistentFlags() localNonPersistentFlags := cmd.LocalNonPersistentFlags()
var visitErr error var visitErr error
cmd.NonInheritedFlags().VisitAll(func(flag *pflag.Flag) { cmd.NonInheritedFlags().VisitAll(func(flag *pflag.Flag) {
if nonCompletableFlag(flag) {
return
}
if err := writeFlag(flag, w); err != nil { if err := writeFlag(flag, w); err != nil {
visitErr = err visitErr = err
return return
@ -442,6 +445,9 @@ func writeFlags(cmd *Command, w io.Writer) error {
return visitErr return visitErr
} }
cmd.InheritedFlags().VisitAll(func(flag *pflag.Flag) { cmd.InheritedFlags().VisitAll(func(flag *pflag.Flag) {
if nonCompletableFlag(flag) {
return
}
if err := writeFlag(flag, w); err != nil { if err := writeFlag(flag, w); err != nil {
visitErr = err visitErr = err
return return
@ -468,6 +474,9 @@ func writeRequiredFlag(cmd *Command, w io.Writer) error {
flags := cmd.NonInheritedFlags() flags := cmd.NonInheritedFlags()
var visitErr error var visitErr error
flags.VisitAll(func(flag *pflag.Flag) { flags.VisitAll(func(flag *pflag.Flag) {
if nonCompletableFlag(flag) {
return
}
for key := range flag.Annotations { for key := range flag.Annotations {
switch key { switch key {
case BashCompOneRequiredFlag: case BashCompOneRequiredFlag:
@ -574,6 +583,10 @@ func (cmd *Command) GenBashCompletion(w io.Writer) error {
return postscript(w, cmd.Name()) return postscript(w, cmd.Name())
} }
func nonCompletableFlag(flag *pflag.Flag) bool {
return flag.Hidden || len(flag.Deprecated) > 0
}
func (cmd *Command) GenBashCompletionFile(filename string) error { func (cmd *Command) GenBashCompletionFile(filename string) error {
outFile, err := os.Create(filename) outFile, err := os.Create(filename)
if err != nil { if err != nil {

40
bash_completions_test.go
View file

@ -138,3 +138,43 @@ func TestBashCompletions(t *testing.T) {
t.Fatalf("shellcheck failed: %v", err) t.Fatalf("shellcheck failed: %v", err)
} }
} }
func TestBashCompletionHiddenFlag(t *testing.T) {
var cmdTrue = &Command{
Use: "does nothing",
Run: func(cmd *Command, args []string) {},
}
const flagName = "hidden-foo-bar-baz"
var flagValue bool
cmdTrue.Flags().BoolVar(&flagValue, flagName, false, "hidden flag")
cmdTrue.Flags().MarkHidden(flagName)
out := new(bytes.Buffer)
cmdTrue.GenBashCompletion(out)
bashCompletion := out.String()
if strings.Contains(bashCompletion, flagName) {
t.Error("expected completion to not include %q flag: Got %v", flagName, bashCompletion)
}
}
func TestBashCompletionDeprecatedFlag(t *testing.T) {
var cmdTrue = &Command{
Use: "does nothing",
Run: func(cmd *Command, args []string) {},
}
const flagName = "deprecated-foo-bar-baz"
var flagValue bool
cmdTrue.Flags().BoolVar(&flagValue, flagName, false, "hidden flag")
cmdTrue.Flags().MarkDeprecated(flagName, "use --does-not-exist instead")
out := new(bytes.Buffer)
cmdTrue.GenBashCompletion(out)
bashCompletion := out.String()
if strings.Contains(bashCompletion, flagName) {
t.Errorf("expected completion to not include %q flag: Got %v", flagName, bashCompletion)
}
}