Function AtLeastNArgs

pkg/validators/cmd.go:56–71

AtLeastNArgs is a validator for commands to print an error with a custom message followed by usage, flags and available commands when too few argument(s) are provided

(n int)

// AtLeastNArgs is a validator for commands to print an error with a custom message
// followed by usage, flags and available commands when too few argument(s) are provided
func AtLeastNArgs(n int) cobra.PositionalArgs {
	argument := "argument"
	if n > 1 {
		argument = argument + "s"
	}

	return func(cmd *cobra.Command, args []string) error {
		if len(args) < n {
			msg := fmt.Sprintf("`%s` requires at least %d %s.", cmd.CommandPath(), n, argument)

			return cmdutil.FlagErrorf("%s", msg)
		}

		return nil
	}
}