add Repository.CreateRemoteAnonymous

Signed-off-by: niukuo <[email protected]>

repository.go

@@ -49,6 +49,7 @@ var (
 	ErrRepositoryAlreadyExists   = errors.New("repository already exists")
 	ErrRemoteNotFound            = errors.New("remote not found")
 	ErrRemoteExists              = errors.New("remote already exists")
+	ErrAnonymousRemoteName       = errors.New("anonymous remote name must be 'anonymous'")
 	ErrWorktreeNotProvided       = errors.New("worktree should be provided")
 	ErrIsBareRepository          = errors.New("worktree not available in a bare repository")
 	ErrUnableToResolveCommit     = errors.New("unable to resolve commit")
@@ -492,6 +493,22 @@ func (r *Repository) CreateRemote(c *config.RemoteConfig) (*Remote, error) {
 	return remote, r.Storer.SetConfig(cfg)
 }
 
+// CreateRemoteAnonymous creates a new anonymous remote. c.Name must be "anonymous".
+// It's used like 'git fetch [email protected]:src-d/go-git.git master:master'.
+func (r *Repository) CreateRemoteAnonymous(c *config.RemoteConfig) (*Remote, error) {
+	if err := c.Validate(); err != nil {
+		return nil, err
+	}
+
+	if c.Name != "anonymous" {
+		return nil, ErrAnonymousRemoteName
+	}
+
+	remote := newRemote(r.Storer, c)
+
+	return remote, nil
+}
+
 // DeleteRemote delete a remote from the repository and delete the config
 func (r *Repository) DeleteRemote(name string) error {
 	cfg, err := r.Storer.Config()

repository_test.go

@@ -231,6 +231,36 @@ func (s *RepositorySuite) TestCreateRemoteInvalid(c *C) {
 	c.Assert(remote, IsNil)
 }
 
+func (s *RepositorySuite) TestCreateRemoteAnonymous(c *C) {
+	r, _ := Init(memory.NewStorage(), nil)
+	remote, err := r.CreateRemoteAnonymous(&config.RemoteConfig{
+		Name: "anonymous",
+		URLs: []string{"http://foo/foo.git"},
+	})
+
+	c.Assert(err, IsNil)
+	c.Assert(remote.Config().Name, Equals, "anonymous")
+}
+
+func (s *RepositorySuite) TestCreateRemoteAnonymousInvalidName(c *C) {
+	r, _ := Init(memory.NewStorage(), nil)
+	remote, err := r.CreateRemoteAnonymous(&config.RemoteConfig{
+		Name: "not_anonymous",
+		URLs: []string{"http://foo/foo.git"},
+	})
+
+	c.Assert(err, Equals, ErrAnonymousRemoteName)
+	c.Assert(remote, IsNil)
+}
+
+func (s *RepositorySuite) TestCreateRemoteAnonymousInvalid(c *C) {
+	r, _ := Init(memory.NewStorage(), nil)
+	remote, err := r.CreateRemoteAnonymous(&config.RemoteConfig{})
+
+	c.Assert(err, Equals, config.ErrRemoteConfigEmptyName)
+	c.Assert(remote, IsNil)
+}
+
 func (s *RepositorySuite) TestDeleteRemote(c *C) {
 	r, _ := Init(memory.NewStorage(), nil)
 	_, err := r.CreateRemote(&config.RemoteConfig{