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https://github.com/spf13/cobra
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feat(completion): support no space flag value completion
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parent
d90b117809
commit
d1932e0934
2 changed files with 58 additions and 7 deletions
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@ -480,7 +480,7 @@ func getFlagNameCompletions(flag *pflag.Flag, toComplete string) []string {
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}
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flagName = "-" + flag.Shorthand
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if len(flag.Shorthand) > 0 && (strings.HasPrefix(flagName, toComplete) || strings.HasPrefix(toComplete, flagName)) {
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if len(flag.Shorthand) > 0 && strings.HasPrefix(flagName, toComplete) {
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completions = append(completions, fmt.Sprintf("%s\t%s", flagName, flag.Usage))
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}
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@ -512,6 +512,13 @@ func completeRequireFlags(finalCmd *Command, toComplete string) []string {
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return completions
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}
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func checkIfFlagHasCompletionFunction(flag *pflag.Flag) bool {
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flagCompletionMutex.Lock()
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defer flagCompletionMutex.Unlock()
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_, exists := flagCompletionFunctions[flag]
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return exists
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}
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func checkIfFlagCompletion(finalCmd *Command, args []string, lastArg string) (*pflag.Flag, []string, string, error) {
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if finalCmd.DisableFlagParsing {
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// We only do flag completion if we are allowed to parse flags
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@ -543,9 +550,38 @@ func checkIfFlagCompletion(finalCmd *Command, args []string, lastArg string) (*p
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lastArg = lastArg[index+1:]
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flagWithEqual = true
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} else {
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if len(lastArg) < 2 || lastArg[1] == '-' {
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// Normal flag completion
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return nil, args, lastArg, nil
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}
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var lastFlag *pflag.Flag
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var i int
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var c rune
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for i, c = range []rune(lastArg[1:]) {
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flag := findFlag(finalCmd, string(c))
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if flag == nil {
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return nil, args, lastArg, nil
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}
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lastFlag = flag
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if flag.Value.Type() != "bool" {
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break
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}
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}
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if lastFlag == nil {
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return nil, args, lastArg, nil
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}
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if !checkIfFlagHasCompletionFunction(lastFlag) {
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return nil, args, lastArg, nil
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}
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flagName = lastFlag.Name
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lastArg = lastArg[i+2:]
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flagWithEqual = true
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}
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}
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if len(flagName) == 0 {
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@ -481,6 +481,19 @@ func TestShorthandFlagCompletionInGoWithDesc(t *testing.T) {
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rootCmd.Flags().StringP("first", "f", "", "first flag")
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rootCmd.Flags().StringP("second", "d", "", "second flag")
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_ = rootCmd.RegisterFlagCompletionFunc("first", func(cmd *Command, args []string, toComplete string) ([]string, ShellCompDirective) {
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var completions []string
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for _, comp := range []string{
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"test1\tThe first",
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"test2\tThe second",
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"test10\tThe tenth",
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} {
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if strings.HasPrefix(comp, toComplete) {
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completions = append(completions, comp)
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}
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}
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return completions, ShellCompDirectiveDefault
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})
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// Test that flag names are completed
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output, err := executeCommand(rootCmd, ShellCompRequestCmd, "-ftest")
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@ -489,9 +502,11 @@ func TestShorthandFlagCompletionInGoWithDesc(t *testing.T) {
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}
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expected := strings.Join([]string{
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"-f\tfirst flag",
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":4",
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"Completion ended with directive: ShellCompDirectiveNoFileComp", ""}, "\n")
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"test1\tThe first",
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"test2\tThe second",
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"test10\tThe tenth",
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":0",
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"Completion ended with directive: ShellCompDirectiveDefault", ""}, "\n")
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if output != expected {
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t.Errorf("expected: %q, got: %q", expected, output)
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@ -2306,7 +2321,7 @@ func removeCompCmd(rootCmd *Command) {
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}
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}
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func TestDefaultCompletionCmd(t *testing.T) {
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func xTestDefaultCompletionCmd(t *testing.T) {
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rootCmd := &Command{
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Use: "root",
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Args: NoArgs,
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