Function MarkFlagRequired

shell_completions.go:38–40

MarkFlagRequired instructs the various shell completion implementations to prioritize the named flag when performing completion, and causes your command to report an error if invoked without the flag.

(flags *pflag.FlagSet, name string)

// prioritize the named flag when performing completion,
// and causes your command to report an error if invoked without the flag.
func MarkFlagRequired(flags *pflag.FlagSet, name string) error {
	return flags.SetAnnotation(name, BashCompOneRequiredFlag, []string{"true"})
}

// MarkFlagFilename instructs the various shell completion implementations to
// limit completions for the named flag to the specified file extensions.