示例#1
0
文件: object.go 项目: src-d/go-git
// SetEncodedObject adds a new object to the storage.
func (s *ObjectStorage) SetEncodedObject(o plumbing.EncodedObject) (plumbing.Hash, error) {
	if o.Type() == plumbing.OFSDeltaObject || o.Type() == plumbing.REFDeltaObject {
		return plumbing.ZeroHash, plumbing.ErrInvalidType
	}

	ow, err := s.dir.NewObject()
	if err != nil {
		return plumbing.ZeroHash, err
	}

	defer ow.Close()

	or, err := o.Reader()
	if err != nil {
		return plumbing.ZeroHash, err
	}

	defer or.Close()

	if err := ow.WriteHeader(o.Type(), o.Size()); err != nil {
		return plumbing.ZeroHash, err
	}

	if _, err := io.Copy(ow, or); err != nil {
		return plumbing.ZeroHash, err
	}

	return o.Hash(), nil
}
示例#2
0
文件: tree.go 项目: src-d/go-git
// Decode transform an plumbing.EncodedObject into a Tree struct
func (t *Tree) Decode(o plumbing.EncodedObject) (err error) {
	if o.Type() != plumbing.TreeObject {
		return ErrUnsupportedObject
	}

	t.Hash = o.Hash()
	if o.Size() == 0 {
		return nil
	}

	t.Entries = nil
	t.m = nil

	reader, err := o.Reader()
	if err != nil {
		return err
	}
	defer ioutil.CheckClose(reader, &err)

	r := bufio.NewReader(reader)
	for {
		mode, err := r.ReadString(' ')
		if err != nil {
			if err == io.EOF {
				break
			}

			return err
		}

		fm, err := t.decodeFileMode(mode[:len(mode)-1])
		if err != nil && err != io.EOF {
			return err
		}

		name, err := r.ReadString(0)
		if err != nil && err != io.EOF {
			return err
		}

		var hash plumbing.Hash
		if _, err = io.ReadFull(r, hash[:]); err != nil {
			return err
		}

		baseName := name[:len(name)-1]
		t.Entries = append(t.Entries, TreeEntry{
			Hash: hash,
			Mode: fm,
			Name: baseName,
		})
	}

	return nil
}
示例#3
0
文件: blob.go 项目: src-d/go-git
// Decode transforms a plumbing.EncodedObject into a Blob struct.
func (b *Blob) Decode(o plumbing.EncodedObject) error {
	if o.Type() != plumbing.BlobObject {
		return ErrUnsupportedObject
	}

	b.Hash = o.Hash()
	b.Size = o.Size()
	b.obj = o

	return nil
}