Example #1
1
File: tag.go Project: src-d/go-git
// Encode transforms a Tag into a plumbing.EncodedObject.
func (t *Tag) Encode(o plumbing.EncodedObject) error {
	o.SetType(plumbing.TagObject)
	w, err := o.Writer()
	if err != nil {
		return err
	}
	defer ioutil.CheckClose(w, &err)

	if _, err = fmt.Fprintf(w,
		"object %s\ntype %s\ntag %s\ntagger ",
		t.Target.String(), t.TargetType.Bytes(), t.Name); err != nil {
		return err
	}

	if err = t.Tagger.Encode(w); err != nil {
		return err
	}

	if _, err = fmt.Fprint(w, "\n\n"); err != nil {
		return err
	}

	if _, err = fmt.Fprint(w, t.Message); err != nil {
		return err
	}

	return err
}
Example #2
0
File: blob.go Project: src-d/go-git
// Encode transforms a Blob into a plumbing.EncodedObject.
func (b *Blob) Encode(o plumbing.EncodedObject) error {
	w, err := o.Writer()
	if err != nil {
		return err
	}
	defer ioutil.CheckClose(w, &err)
	r, err := b.Reader()
	if err != nil {
		return err
	}
	defer ioutil.CheckClose(r, &err)
	_, err = io.Copy(w, r)
	o.SetType(plumbing.BlobObject)
	return err
}
Example #3
0
// Encode transforms a Commit into a plumbing.EncodedObject.
func (b *Commit) Encode(o plumbing.EncodedObject) error {
	o.SetType(plumbing.CommitObject)
	w, err := o.Writer()
	if err != nil {
		return err
	}
	defer ioutil.CheckClose(w, &err)
	if _, err = fmt.Fprintf(w, "tree %s\n", b.tree.String()); err != nil {
		return err
	}
	for _, parent := range b.parents {
		if _, err = fmt.Fprintf(w, "parent %s\n", parent.String()); err != nil {
			return err
		}
	}
	if _, err = fmt.Fprint(w, "author "); err != nil {
		return err
	}
	if err = b.Author.Encode(w); err != nil {
		return err
	}
	if _, err = fmt.Fprint(w, "\ncommitter "); err != nil {
		return err
	}
	if err = b.Committer.Encode(w); err != nil {
		return err
	}
	if _, err = fmt.Fprintf(w, "\n\n%s", b.Message); err != nil {
		return err
	}
	return err
}
Example #4
0
File: tree.go Project: src-d/go-git
// Encode transforms a Tree into a plumbing.EncodedObject.
func (t *Tree) Encode(o plumbing.EncodedObject) error {
	o.SetType(plumbing.TreeObject)
	w, err := o.Writer()
	if err != nil {
		return err
	}

	var size int
	defer ioutil.CheckClose(w, &err)
	for _, entry := range t.Entries {
		n, err := fmt.Fprintf(w, "%o %s", entry.Mode, entry.Name)
		if err != nil {
			return err
		}

		size += n
		n, err = w.Write([]byte{0x00})
		if err != nil {
			return err
		}

		size += n
		n, err = w.Write([]byte(entry.Hash[:]))
		if err != nil {
			return err
		}
		size += n
	}

	o.SetSize(int64(size))
	return err
}
Example #5
0
func (r *Remote) fetch(o *FetchOptions) (refs storer.ReferenceStorer, err error) {
	if o.RemoteName == "" {
		o.RemoteName = r.c.Name
	}

	if err := o.Validate(); err != nil {
		return nil, err
	}

	if len(o.RefSpecs) == 0 {
		o.RefSpecs = r.c.Fetch
	}

	s, err := newFetchPackSession(r.c.URL)
	if err != nil {
		return nil, err
	}

	defer ioutil.CheckClose(s, &err)

	ar, err := s.AdvertisedReferences()
	if err != nil {
		return nil, err
	}

	req, err := r.newUploadPackRequest(o, ar)
	if err != nil {
		return nil, err
	}

	remoteRefs, err := ar.AllReferences()
	if err != nil {
		return nil, err
	}

	req.Wants, err = getWants(o.RefSpecs, r.s, remoteRefs)
	if len(req.Wants) == 0 {
		return remoteRefs, NoErrAlreadyUpToDate
	}

	req.Haves, err = getHaves(r.s)
	if err != nil {
		return nil, err
	}

	if err := r.fetchPack(o, s, req); err != nil {
		return nil, err
	}

	if err := r.updateLocalReferenceStorage(o.RefSpecs, remoteRefs); err != nil {
		return nil, err
	}

	return remoteRefs, err
}
Example #6
0
File: tree.go Project: 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
}
Example #7
0
File: tag.go Project: src-d/go-git
// Decode transforms a plumbing.EncodedObject into a Tag struct.
func (t *Tag) Decode(o plumbing.EncodedObject) (err error) {
	if o.Type() != plumbing.TagObject {
		return ErrUnsupportedObject
	}

	t.Hash = o.Hash()

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

	r := bufio.NewReader(reader)
	for {
		line, err := r.ReadSlice('\n')
		if err != nil && err != io.EOF {
			return err
		}

		line = bytes.TrimSpace(line)
		if len(line) == 0 {
			break // Start of message
		}

		split := bytes.SplitN(line, []byte{' '}, 2)
		switch string(split[0]) {
		case "object":
			t.Target = plumbing.NewHash(string(split[1]))
		case "type":
			t.TargetType, err = plumbing.ParseObjectType(string(split[1]))
			if err != nil {
				return err
			}
		case "tag":
			t.Name = string(split[1])
		case "tagger":
			t.Tagger.Decode(split[1])
		}

		if err == io.EOF {
			return nil
		}
	}

	data, err := stdioutil.ReadAll(r)
	if err != nil {
		return err
	}
	t.Message = string(data)

	return nil
}
Example #8
0
File: file.go Project: src-d/go-git
// Contents returns the contents of a file as a string.
func (f *File) Contents() (content string, err error) {
	reader, err := f.Reader()
	if err != nil {
		return "", err
	}
	defer ioutil.CheckClose(reader, &err)

	buf := new(bytes.Buffer)
	if _, err := buf.ReadFrom(reader); err != nil {
		return "", err
	}

	return buf.String(), nil
}
Example #9
0
// Decode transforms a plumbing.EncodedObject into a Commit struct.
func (c *Commit) Decode(o plumbing.EncodedObject) (err error) {
	if o.Type() != plumbing.CommitObject {
		return ErrUnsupportedObject
	}

	c.Hash = o.Hash()

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

	r := bufio.NewReader(reader)

	var message bool
	for {
		line, err := r.ReadSlice('\n')
		if err != nil && err != io.EOF {
			return err
		}

		if !message {
			line = bytes.TrimSpace(line)
			if len(line) == 0 {
				message = true
				continue
			}

			split := bytes.SplitN(line, []byte{' '}, 2)
			switch string(split[0]) {
			case "tree":
				c.tree = plumbing.NewHash(string(split[1]))
			case "parent":
				c.parents = append(c.parents, plumbing.NewHash(string(split[1])))
			case "author":
				c.Author.Decode(split[1])
			case "committer":
				c.Committer.Decode(split[1])
			}
		} else {
			c.Message += string(line)
		}

		if err == io.EOF {
			return nil
		}
	}
}
Example #10
0
func (r *Remote) fetchPack(o *FetchOptions, s transport.FetchPackSession,
	req *packp.UploadPackRequest) (err error) {

	reader, err := s.FetchPack(req)
	if err != nil {
		return err
	}

	defer ioutil.CheckClose(reader, &err)

	if err := r.updateShallow(o, reader); err != nil {
		return err
	}

	if err = r.updateObjectStorage(
		buildSidebandIfSupported(req.Capabilities, reader, r.p),
	); err != nil {
		return err
	}

	return err
}