vcs

type Blob interface {
	Size() int64
	Contents() []byte
}

type Commit interface {
	Message() string
	Tree() (Tree, error)
	Author() *Signature
}

type Git struct{}

type Oid git.Oid

type Reference interface {
	Resolve() (Reference, error)
	Target() *Oid
}

type Repository interface {
	LookupReference(name string) (Reference, error)
	LookupBlob(oid *Oid) (Blob, error)
	LookupCommit(oid *Oid) (Commit, error)
}

type Signature git.Signature

type Tree interface {
	Walk(callback TreeWalkCallback) error
}

type TreeEntry struct {
	Name     string
	Id       *Oid
	Type     git.ObjectType
	Filemode int
}

type TreeWalkCallback func(string, *TreeEntry) int

type VCS interface {
	OpenRepository(path string) (Repository, error)
}