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package git
import (
"errors"
"gopkg.in/src-d/go-git.v4/clients/common"
"gopkg.in/src-d/go-git.v4/core"
"gopkg.in/src-d/go-git.v4/storage/memory"
)
var (
// ErrObjectNotFound object not found
ErrObjectNotFound = errors.New("object not found")
)
const (
// DefaultRemoteName name of the default Remote, just like git command
DefaultRemoteName = "origin"
)
// Repository giturl string, auth common.AuthMethod repository struct
type Repository struct {
Remotes map[string]*Remote
Storage core.Storage
os core.ObjectStorage
rs core.ReferenceStorage
}
// NewMemoryRepository creates a new repository, backed by a memory.Storage
func NewMemoryRepository() (*Repository, error) {
return NewRepository(memory.NewStorage())
}
// NewRepository creates a new repository with the given Storage
func NewRepository(s core.Storage) (*Repository, error) {
os, err := s.ObjectStorage()
if err != nil {
return nil, err
}
rs, err := s.ReferenceStorage()
if err != nil {
return nil, err
}
return &Repository{
Storage: s,
os: os,
rs: rs,
}, nil
}
// Clone clones a remote repository
func (r *Repository) Clone(o *CloneOptions) error {
remote, err := r.createDefaultRemote(o.URL, o.Auth)
if err != nil {
return err
}
if err = remote.Connect(); err != nil {
return err
}
h, err := remote.Fetch(r.os, &FetchOptions{
ReferenceName: core.HEAD,
})
if err != nil {
return err
}
return r.rs.Set(core.NewHashReference(core.HEAD, h))
}
func (r *Repository) createDefaultRemote(url string, auth common.AuthMethod) (*Remote, error) {
remote, err := NewAuthenticatedRemote(url, auth)
if err != nil {
return nil, err
}
r.Remotes = map[string]*Remote{
DefaultRemoteName: remote,
}
return remote, nil
}
// Commit return the commit with the given hash
func (r *Repository) Commit(h core.Hash) (*Commit, error) {
obj, err := r.os.Get(h)
if err != nil {
if err == core.ErrObjectNotFound {
return nil, ErrObjectNotFound
}
return nil, err
}
commit := &Commit{r: r}
return commit, commit.Decode(obj)
}
// Commits decode the objects into commits
func (r *Repository) Commits() (*CommitIter, error) {
iter, err := r.os.Iter(core.CommitObject)
if err != nil {
return nil, err
}
return NewCommitIter(r, iter), nil
}
// Tree return the tree with the given hash
func (r *Repository) Tree(h core.Hash) (*Tree, error) {
obj, err := r.os.Get(h)
if err != nil {
if err == core.ErrObjectNotFound {
return nil, ErrObjectNotFound
}
return nil, err
}
tree := &Tree{r: r}
return tree, tree.Decode(obj)
}
// Blob returns the blob with the given hash
func (r *Repository) Blob(h core.Hash) (*Blob, error) {
obj, err := r.os.Get(h)
if err != nil {
if err == core.ErrObjectNotFound {
return nil, ErrObjectNotFound
}
return nil, err
}
blob := &Blob{}
return blob, blob.Decode(obj)
}
// Tag returns a tag with the given hash.
func (r *Repository) Tag(h core.Hash) (*Tag, error) {
obj, err := r.os.Get(h)
if err != nil {
if err == core.ErrObjectNotFound {
return nil, ErrObjectNotFound
}
return nil, err
}
t := &Tag{r: r}
return t, t.Decode(obj)
}
// Tags returns a TagIter that can step through all of the annotated tags
// in the repository.
func (r *Repository) Tags() (*TagIter, error) {
iter, err := r.os.Iter(core.TagObject)
if err != nil {
return nil, err
}
return NewTagIter(r, iter), nil
}
// Object returns an object with the given hash.
func (r *Repository) Object(h core.Hash) (Object, error) {
obj, err := r.os.Get(h)
if err != nil {
if err == core.ErrObjectNotFound {
return nil, ErrObjectNotFound
}
return nil, err
}
switch obj.Type() {
case core.CommitObject:
commit := &Commit{r: r}
return commit, commit.Decode(obj)
case core.TreeObject:
tree := &Tree{r: r}
return tree, tree.Decode(obj)
case core.BlobObject:
blob := &Blob{}
return blob, blob.Decode(obj)
case core.TagObject:
tag := &Tag{r: r}
return tag, tag.Decode(obj)
default:
return nil, core.ErrInvalidType
}
}
// Head returns the hash of the HEAD of the repository or the head of a
// remote, if one is passed.
func (r *Repository) Head(resolved bool) (*core.Reference, error) {
if resolved {
return core.ResolveReference(r.rs, core.HEAD)
}
return r.rs.Get(core.HEAD)
}
|
