transport: add git-send-pack support to local/ssh. (#163)

* protocol/packp: add Packfile field to ReferenceUpdateRequest.
* protocol/packp: add NewReferenceUpdateRequestFromCapabilities.
* NewReferenceUpdateRequestFromCapabilities can be used to create
  a ReferenceUpdateRequest with initial capabilities compatible with
  the server.
* protocol/packp: fix new line handling on report status.
* transport/file: test error on unexisting command.

1 files changed, 8 insertions, 0 deletions

diff --git a/plumbing/protocol/packp/updreq_encode.go b/plumbing/protocol/packp/updreq_encode.go
index b2b7944..44c0573 100644
--- a/plumbing/protocol/packp/updreq_encode.go
+++ b/plumbing/protocol/packp/updreq_encode.go
@@ -29,6 +29,14 @@ func (r *ReferenceUpdateRequest) Encode(w io.Writer) error {
 		return err
 	}
 
+	if r.Packfile != nil {
+		if _, err := io.Copy(w, r.Packfile); err != nil {
+			return err
+		}
+
+		return r.Packfile.Close()
+	}
+
 	return nil
 }