func pushHashes(sess transport.SendPackSession, sto storer.EncodedObjectStorer,
req *packp.ReferenceUpdateRequest, hs []plumbing.Hash) (*packp.ReportStatus, error) {
rd, wr := io.Pipe()
req.Packfile = rd
done := make(chan error)
go func() {
e := packfile.NewEncoder(wr, sto, false)
if _, err := e.Encode(hs); err != nil {
done <- wr.CloseWithError(err)
return
}
done <- wr.Close()
}()
rs, err := sess.SendPack(req)
if err != nil {
return nil, err
}
if err := <-done; err != nil {
return nil, err
}
return rs, nil
}
func (s *SendPackSuite) emptyPackfile() io.ReadCloser {
var buf bytes.Buffer
e := packfile.NewEncoder(&buf, memory.NewStorage(), false)
_, err := e.Encode(nil)
if err != nil {
panic(err)
}
return ioutil.NopCloser(&buf)
}