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, 25 insertions, 0 deletions

diff --git a/plumbing/protocol/packp/updreq_encode_test.go b/plumbing/protocol/packp/updreq_encode_test.go
index 47958fd..14f9975 100644
--- a/plumbing/protocol/packp/updreq_encode_test.go
+++ b/plumbing/protocol/packp/updreq_encode_test.go
@@ -7,6 +7,7 @@ import (
 	"gopkg.in/src-d/go-git.v4/plumbing/format/pktline"
 
 	. "gopkg.in/check.v1"
+	"io/ioutil"
 )
 
 type UpdReqEncodeSuite struct{}
@@ -117,3 +118,27 @@ func (s *UpdReqEncodeSuite) TestMultipleCommandsAndCapabilitiesShallow(c *C) {
 
 	s.testEncode(c, r, expected)
 }
+
+func (s *UpdReqEncodeSuite) TestWithPackfile(c *C) {
+	hash1 := plumbing.NewHash("1ecf0ef2c2dffb796033e5a02219af86ec6584e5")
+	hash2 := plumbing.NewHash("2ecf0ef2c2dffb796033e5a02219af86ec6584e5")
+	name := "myref"
+
+	packfileContent := []byte("PACKabc")
+	packfileReader := bytes.NewReader(packfileContent)
+	packfileReadCloser := ioutil.NopCloser(packfileReader)
+
+	r := NewReferenceUpdateRequest()
+	r.Commands = []*Command{
+		{Name: name, Old: hash1, New: hash2},
+	}
+	r.Packfile = packfileReadCloser
+
+	expected := pktlines(c,
+		"1ecf0ef2c2dffb796033e5a02219af86ec6584e5 2ecf0ef2c2dffb796033e5a02219af86ec6584e5 myref\x00",
+		pktline.FlushString,
+	)
+	expected = append(expected, packfileContent...)
+
+	s.testEncode(c, r, expected)
+}