nix-amer/internal/ser/loader.go

package ser

import (
	"errors"
)

var ErrUnknownManager = errors.New("unknown service manager")
var ErrNotInstalled = errors.New("not candidate installed")

func Load(_manager string) (ServiceManager, error) {

	// 1. create manager (fail if unknown)
	var manager ServiceManager
	switch _manager {
	case "systemd":
		manager = new(Systemd)
	default:
		return nil, ErrUnknownManager
	}

	// 2. fail if not installed
	// if exec.Command("which", manager.Name()).Run() != nil {
	// 	return nil, ErrNotInstalled
	// }

	return manager, nil

}