func run()

in cmds/exec_agent/verbs.go [27:73]

• 38 lines of code
• 11 McCabe index (conditional complexity)

func run() error {
	verb := strings.ToLower(flagSet.Arg(0))
	if verb == "" {
		return fmt.Errorf("missing verb, see --help")
	}

	switch verb {
	case "start":
		bin := flagSet.Arg(1)
		if bin == "" {
			return fmt.Errorf("missing binary argument, see --help")
		}

		var args []string
		if flagSet.NArg() > 2 {
			args = flagSet.Args()[2:]
		}
		return start(bin, args)

	case "poll":
		pid, err := strconv.Atoi(flagSet.Arg(1))
		if err != nil {
			return fmt.Errorf("failed to parse exec id: %w", err)
		}

		return poll(pid)

	case "kill":
		pid, err := strconv.Atoi(flagSet.Arg(1))
		if err != nil {
			return fmt.Errorf("failed to parse exec id: %w", err)
		}

		return kill(pid)

	case "wait":
		pid, err := strconv.Atoi(flagSet.Arg(1))
		if err != nil {
			return fmt.Errorf("failed to parse exec id: %w", err)
		}

		return wait(pid)

	default:
		return fmt.Errorf("invalid verb: %s", verb)
	}
}