func setupCmd()

in main.go [39:73]

• 28 lines of code
• 7 McCabe index (conditional complexity)

func setupCmd(me string) (string, error) {
	if os.Getenv("OPS_CMD") != "" {
		return os.Getenv("OPS_CMD"), nil
	}

	// look in path
	me, err := exec.LookPath(me)
	if err != nil {
		return "", err
	}
	trace("found", me)

	// resolve links
	fileInfo, err := os.Lstat(me)
	if err != nil {
		return "", err
	}
	if fileInfo.Mode()&os.ModeSymlink != 0 {
		me, err = filepath.EvalSymlinks(me)
		if err != nil {
			return "", err
		}
		trace("resolving link to", me)
	}

	// get the absolute path
	me, err = filepath.Abs(me)
	if err != nil {
		return "", err
	}
	//nolint:errcheck
	os.Setenv("OPS_CMD", me)
	trace("OPS_CMD:", me)
	return me, nil
}