func (s *GitUploadPackService) Fetch(r *common.GitUploadPackRequest) (io.ReadCloser, error) {
url := fmt.Sprintf("%s/%s", s.endpoint, common.GitUploadPackServiceName)
res, err := s.doRequest("POST", url, r.Reader())
if err != nil {
return nil, err
}
h := make([]byte, 8)
if _, err := res.Body.Read(h); err != nil {
return nil, core.NewUnexpectedError(err)
}
return res.Body, nil
}
// Fetch retrieves the GitUploadPack form the repository.
// You must be connected to the repository before using this method
// (using the ConnectWithAuth() method).
// TODO: fetch should really reuse the info session instead of openning a new
// one
func (s *GitUploadPackService) Fetch(r *common.GitUploadPackRequest) (rc io.ReadCloser, err error) {
if !s.connected {
return nil, ErrNotConnected
}
session, err := s.client.NewSession()
if err != nil {
return nil, err
}
defer func() {
// the session can be closed by the other endpoint,
// therefore we must ignore a close error.
_ = session.Close()
}()
si, err := session.StdinPipe()
if err != nil {
return nil, err
}
so, err := session.StdoutPipe()
if err != nil {
return nil, err
}
go func() {
fmt.Fprintln(si, r.String())
err = si.Close()
}()
err = session.Start("git-upload-pack " + s.vcs.FullName + ".git")
if err != nil {
return nil, err
}
// TODO: inestigate this *ExitError type (command fails or
// doesn't complete successfully), as it is happenning all
// the time, but everyting seems to work fine.
err = session.Wait()
if err != nil {
if _, ok := err.(*ssh.ExitError); !ok {
return nil, err
}
}
// read until the header of the second answer
soBuf := bufio.NewReader(so)
token := "0000"
for {
var line string
line, err = soBuf.ReadString('\n')
if err == io.EOF {
return nil, ErrUploadPackAnswerFormat
}
if line[0:len(token)] == token {
break
}
}
data, err := ioutil.ReadAll(soBuf)
if err != nil {
return nil, err
}
buf := bytes.NewBuffer(data)
return ioutil.NopCloser(buf), nil
}