3 files changed, 26 insertions, 10 deletions
diff --git a/clients/common/common.go b/clients/common/common.go
index 5da0570..4204cb7 100644
--- a/clients/common/common.go
+++ b/clients/common/common.go
@@ -6,8 +6,10 @@ import (
 	"net/url"
 	"strings"
 
-	"gopkg.in/sourcegraph/go-vcsurl.v1"
 	"gopkg.in/src-d/go-git.v2/formats/pktline"
+	"gopkg.in/src-d/go-git.v2/internal"
+
+	"gopkg.in/sourcegraph/go-vcsurl.v1"
 )
 
 const GitUploadPackServiceName = "git-upload-pack"
@@ -74,7 +76,7 @@ func (r Capabilities) SymbolicReference(sym string) string {
 }
 
 type RemoteHead struct {
-	Id   string
+	Id   internal.Hash
 	Name string
 }
 
@@ -134,12 +136,12 @@ func (r *GitUploadPackInfo) getRemoteHead(line string) *RemoteHead {
 		return nil
 	}
 
-	return &RemoteHead{parts[0], parts[1]}
+	return &RemoteHead{internal.NewHash(parts[0]), parts[1]}
 }
 
 type GitUploadPackRequest struct {
-	Want []string
-	Have []string
+	Want []internal.Hash
+	Have []internal.Hash
 }
 
 func (r *GitUploadPackRequest) String() string {
diff --git a/clients/common/common_test.go b/clients/common/common_test.go
index 74492f0..43faf5b 100644
--- a/clients/common/common_test.go
+++ b/clients/common/common_test.go
@@ -7,6 +7,7 @@ import (
 
 	. "gopkg.in/check.v1"
 	"gopkg.in/src-d/go-git.v2/formats/pktline"
+	"gopkg.in/src-d/go-git.v2/internal"
 )
 
 func Test(t *testing.T) { TestingT(t) }
@@ -48,15 +49,25 @@ func (s *SuiteCommon) TestGitUploadPackInfo(c *C) {
 
 	ref := info.Capabilities.SymbolicReference("HEAD")
 	c.Assert(ref, Equals, "refs/heads/master")
-	c.Assert(info.Refs[ref].Id, Equals, "6ecf0ef2c2dffb796033e5a02219af86ec6584e5")
+	c.Assert(info.Refs[ref].Id.String(), Equals, "6ecf0ef2c2dffb796033e5a02219af86ec6584e5")
 	c.Assert(info.Refs[ref].Name, Equals, "refs/heads/master")
 }
 
 func (s *SuiteCommon) TestGitUploadPackRequest(c *C) {
 	r := &GitUploadPackRequest{
-		Want: []string{"foo", "qux"},
-		Have: []string{"bar"},
+		Want: []internal.Hash{
+			internal.NewHash("d82f291cde9987322c8a0c81a325e1ba6159684c"),
+			internal.NewHash("2b41ef280fdb67a9b250678686a0c3e03b0a9989"),
+		},
+		Have: []internal.Hash{
+			internal.NewHash("6ecf0ef2c2dffb796033e5a02219af86ec6584e5"),
+		},
 	}
 
-	c.Assert(r.String(), Equals, "000dwant foo\n000dwant qux\n000dhave bar\n00000009done\n")
+	c.Assert(r.String(), Equals,
+		"0032want d82f291cde9987322c8a0c81a325e1ba6159684c\n"+
+			"0032want 2b41ef280fdb67a9b250678686a0c3e03b0a9989\n"+
+			"0032have 6ecf0ef2c2dffb796033e5a02219af86ec6584e5\n0000"+
+			"0009done\n",
+	)
 }
diff --git a/clients/http/git_upload_pack_test.go b/clients/http/git_upload_pack_test.go
index 603cd1b..7234766 100644
--- a/clients/http/git_upload_pack_test.go
+++ b/clients/http/git_upload_pack_test.go
@@ -5,6 +5,7 @@ import (
 
 	. "gopkg.in/check.v1"
 	"gopkg.in/src-d/go-git.v2/clients/common"
+	"gopkg.in/src-d/go-git.v2/internal"
 )
 
 type SuiteRemote struct{}
@@ -41,7 +42,9 @@ func (s *SuiteRemote) TestFetch(c *C) {
 	c.Assert(r.Connect(RepositoryFixture), IsNil)
 
 	reader, err := r.Fetch(&common.GitUploadPackRequest{
-		Want: []string{"6ecf0ef2c2dffb796033e5a02219af86ec6584e5"},
+		Want: []internal.Hash{
+			internal.NewHash("6ecf0ef2c2dffb796033e5a02219af86ec6584e5"),
+		},
 	})
 
 	c.Assert(err, IsNil)