dal

type DirEntry struct {
	Name  string
	IsDir bool
}

type Executor interface {
	Run(name string, args ...string) (string, error)
	RunInDir(dir, name string, args ...string) (string, error)
	RunOsascript(script string) string
	Which(cmd string) bool
}

type ExecutorImpl struct{}

type FileSystem interface {
	Exists(path string) bool
	EnsureDir(dir string) error
	ReadFile(path string) ([]byte, error)
	WriteFile(path string, data []byte, perm int) error
	ReadDir(path string) ([]DirEntry, error)
	BaseName(path string) string
}

type FileSystemImpl struct{}

type Logger interface {
	Init(verbose bool, w io.Writer)
}

type LoggerImpl struct{}