Function rootUsageFunc

pkg/cmd/root/help.go:20–45

(w io.Writer, command *cobra.Command)

)

func rootUsageFunc(w io.Writer, command *cobra.Command) error {
	fmt.Fprintf(w, "Usage:  %s", command.UseLine())

	var subcommands []*cobra.Command
	for _, c := range command.Commands() {
		if !c.IsAvailableCommand() {
			continue
		}
		subcommands = append(subcommands, c)
	}

	if len(subcommands) > 0 {
		fmt.Fprint(w, "\n\nAvailable commands:\n")
		for _, c := range subcommands {
			fmt.Fprintf(w, "  %s\n", c.Name())
		}
		return nil
	}

	flagUsages := command.LocalFlags().FlagUsages()
	if flagUsages != "" {
		fmt.Fprintln(w, "\n\nFlags:")
		fmt.Fprint(w, text.Indent(dedent(flagUsages), "  "))
	}
	return nil
}

func rootFlagErrorFunc(cmd *cobra.Command, err error) error {
	if err == pflag.ErrHelp {