immuos

type Filepath interface {
	Abs(path string) (string, error)
	Base(path string) string
	Ext(path string) string
	Dir(path string) string
	Walk(root string, walkFn filepath.WalkFunc) error
	FromSlash(path string) string
	Join(elem ...string) string
	Clean(path string) string
	Split(path string) (dir, file string)
}

type Ioutil interface {
	ReadFile(filename string) ([]byte, error)
	WriteFile(filename string, data []byte, perm os.FileMode) error
}

type OS interface {
	Filepath
	User
	Ioutil
	Create(name string) (*os.File, error)
	Getwd() (string, error)
	Mkdir(name string, perm os.FileMode) error
	MkdirAll(path string, perm os.FileMode) error
	Remove(name string) error
	RemoveAll(path string) error
	Rename(oldpath, newpath string) error
	Stat(name string) (os.FileInfo, error)
	Chown(name string, uid, gid int) error
	Chmod(name string, mode os.FileMode) error
	IsNotExist(err error) bool
	Open(name string) (*os.File, error)
	OpenFile(name string, flag int, perm os.FileMode) (*os.File, error)
	Executable() (string, error)
	Getpid() int
}

type StandardFilepath struct {
	AbsF       func(path string) (string, error)
	BaseF      func(path string) string
	ExtF       func(path string) string
	DirF       func(path string) string
	WalkF      func(root string, walkFn filepath.WalkFunc) error
	FromSlashF func(path string) string
	JoinF      func(elem ...string) string
	CleanF     func(path string) string
	SplitF     func(path string) (dir, file string)
}

type StandardIoutil struct {
	ReadFileF  func(filename string) ([]byte, error)
	WriteFileF func(filename string, data []byte, perm os.FileMode) error
}

type StandardOS struct {
	*StandardFilepath
	*StandardUser
	*StandardIoutil
	CreateF     func(name string) (*os.File, error)
	GetwdF      func() (string, error)
	MkdirF      func(name string, perm os.FileMode) error
	MkdirAllF   func(path string, perm os.FileMode) error
	RemoveF     func(name string) error
	RemoveAllF  func(path string) error
	RenameF     func(oldpath, newpath string) error
	StatF       func(name string) (os.FileInfo, error)
	ChownF      func(name string, uid, gid int) error
	ChmodF      func(name string, mode os.FileMode) error
	IsNotExistF func(err error) bool
	OpenF       func(name string) (*os.File, error)
	OpenFileF   func(name string, flag int, perm os.FileMode) (*os.File, error)
	ExecutableF func() (string, error)
	GetpidF     func() int
}

type StandardUser struct {
	AddGroupF    func(name string) error
	AddUserF     func(usr string, group string) error
	LookupGroupF func(name string) (*user.Group, error)
	LookupF      func(username string) (*user.User, error)
}

type User interface {
	AddGroup(name string) error
	AddUser(usr string, group string) error
	LookupGroup(name string) (*user.Group, error)
	Lookup(username string) (*user.User, error)
}