Function getFlagNameCompletions

completions.go:596–627

(flag *pflag.Flag, toComplete string)

}

func getFlagNameCompletions(flag *pflag.Flag, toComplete string) []Completion {
	if nonCompletableFlag(flag) {
		return []Completion{}
	}

	var completions []Completion
	flagName := "--" + flag.Name
	if strings.HasPrefix(flagName, toComplete) {
		// Flag without the =
		completions = append(completions, CompletionWithDesc(flagName, flag.Usage))

		// Why suggest both long forms: --flag and --flag= ?
		// This forces the user to *always* have to type either an = or a space after the flag name.
		// Let's be nice and avoid making users have to do that.
		// Since boolean flags and shortname flags don't show the = form, let's go that route and never show it.
		// The = form will still work, we just won't suggest it.
		// This also makes the list of suggested flags shorter as we avoid all the = forms.
		//
		// if len(flag.NoOptDefVal) == 0 {
		// 	// Flag requires a value, so it can be suffixed with =
		// 	flagName += "="
		// 	completions = append(completions, CompletionWithDesc(flagName, flag.Usage))
		// }
	}

	flagName = "-" + flag.Shorthand
	if len(flag.Shorthand) > 0 && strings.HasPrefix(flagName, toComplete) {
		completions = append(completions, CompletionWithDesc(flagName, flag.Usage))
	}

	return completions
}

func completeRequireFlags(finalCmd *Command, toComplete string) []Completion {
	var completions []Completion