Function checkArgs

utils.go:23–47

(context *cli.Context, expected, checkType int)

)

func checkArgs(context *cli.Context, expected, checkType int) error {
	var err error
	cmdName := context.Command.Name
	switch checkType {
	case exactArgs:
		if context.NArg() != expected {
			err = fmt.Errorf("%s: %q requires exactly %d argument(s)", os.Args[0], cmdName, expected)
		}
	case minArgs:
		if context.NArg() < expected {
			err = fmt.Errorf("%s: %q requires a minimum of %d argument(s)", os.Args[0], cmdName, expected)
		}
	case maxArgs:
		if context.NArg() > expected {
			err = fmt.Errorf("%s: %q requires a maximum of %d argument(s)", os.Args[0], cmdName, expected)
		}
	}

	if err != nil {
		fmt.Printf("Incorrect Usage.\n\n")
		_ = cli.ShowCommandHelp(context, cmdName)
		return err
	}
	return nil
}

func logrusToStderr() bool {
	l, ok := logrus.StandardLogger().Out.(*os.File)