git

type Commit struct {
	Author  string
	Hash    string
	Message string
}

type CommitOpts struct {
	All bool
}

type Option func(r *repo) error

type Repo interface {
	Init(wd string, opts ...Option) error
	Open(wd string, opts ...Option) error
	InitOrOpen(wd string, opts ...Option) error

	OpenFile(filePath string, flag int, perm os.FileMode) (billy.File, error)
	CreateFile(filePath string) (billy.File, error)

	CopyFile(fromPath, toPath string) error
	Exists(filePath string) bool
	CreateDir(filePath string) (billy.Dir, error)

	RemoveFileFromIgnore(filePath string) error
	AddFileToIgnore(filePath string) error

	AddFileToGit(filePath string) error
	Commit(msg string, opts CommitOpts) error
	Log() []Commit
	Workdir() string
	Gitdir() string

	Branch() (string, error)
	Hash() (string, error)
}