Add a middleware for handling Git object dir attributes

15 files changed, 740 insertions, 156 deletions

diff --git a/CHANGELOG.md b/CHANGELOG.md
index ffca5078c..a231b85ab 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,10 @@
 # Gitaly changelog
 
+UNRELEASED
+
+- Add a middleware for handling Git object dir attributes
+  https://gitlab.com/gitlab-org/gitaly/merge_requests/273
+
 v0.29.0
 
 - Use BUNDLE_PATH instead of --path for gitaly-ruby
diff --git a/internal/helper/command.go b/internal/helper/command.go
index f3c506f51..4d9107251 100644
--- a/internal/helper/command.go
+++ b/internal/helper/command.go
@@ -6,10 +6,13 @@ import (
 	"io"
 	"os"
 	"os/exec"
+	"strings"
 	"syscall"
 
 	"github.com/grpc-ecosystem/go-grpc-middleware/logging/logrus"
+
 	"gitlab.com/gitlab-org/gitaly/internal/config"
+	"gitlab.com/gitlab-org/gitaly/internal/middleware/objectdirhandler"
 
 	log "github.com/Sirupsen/logrus"
 )
@@ -62,6 +65,13 @@ func NewCommand(ctx context.Context, cmd *exec.Cmd, stdin io.Reader, stdout, std
 		fmt.Sprintf("TZ=%s", os.Getenv("TZ")),
 	}
 	cmd.Env = append(cmd.Env, env...)
+	if dir, ok := objectdirhandler.ObjectDir(ctx); ok {
+		cmd.Env = append(cmd.Env, fmt.Sprintf("GIT_OBJECT_DIRECTORY=%s", dir))
+	}
+	if dirs, ok := objectdirhandler.AltObjectDirs(ctx); ok {
+		dirsList := strings.Join(dirs, ":")
+		cmd.Env = append(cmd.Env, fmt.Sprintf("GIT_ALTERNATE_OBJECT_DIRECTORIES=%s", dirsList))
+	}
 
 	// Start the command in its own process group (nice for signalling)
 	cmd.SysProcAttr = &syscall.SysProcAttr{Setpgid: true}
diff --git a/internal/middleware/objectdirhandler/objectdirhandler.go b/internal/middleware/objectdirhandler/objectdirhandler.go
new file mode 100644
index 000000000..0eb40933e
--- /dev/null
+++ b/internal/middleware/objectdirhandler/objectdirhandler.go
@@ -0,0 +1,90 @@
+package objectdirhandler
+
+import (
+	"sync"
+
+	pb "gitlab.com/gitlab-org/gitaly-proto/go"
+
+	"golang.org/x/net/context"
+	"google.golang.org/grpc"
+)
+
+type requestWithRepository interface {
+	GetRepository() *pb.Repository
+}
+
+type ctxObjectDirMarker struct{}
+type ctxAltObjectDirsMarker struct{}
+
+var (
+	ctxObjectDirMarkerKey     = &ctxObjectDirMarker{}
+	ctxAltObjectDirsMarkerKey = &ctxAltObjectDirsMarker{}
+)
+
+type recvWrapper struct {
+	grpc.ServerStream
+	wrappedContext context.Context
+	wrapOnce       sync.Once
+}
+
+// Unary sets Git object dir attributes for unary RPCs
+func Unary(ctx context.Context, req interface{}, info *grpc.UnaryServerInfo, handler grpc.UnaryHandler) (interface{}, error) {
+	return handler(newContextWithDirValues(ctx, req), req)
+}
+
+// Stream sets Git object dir attributes for streaming RPCs
+func Stream(srv interface{}, stream grpc.ServerStream, info *grpc.StreamServerInfo, handler grpc.StreamHandler) error {
+	return handler(srv, &recvWrapper{ServerStream: stream, wrappedContext: stream.Context()})
+}
+
+// ObjectDir returns the value for Repository.GitObjectDirectory
+func ObjectDir(ctx context.Context) (string, bool) {
+	dir1 := ctx.Value(ctxObjectDirMarkerKey)
+	if dir1 == nil {
+		return "", false
+	}
+
+	dir2, ok := dir1.(string)
+	return dir2, ok
+}
+
+// AltObjectDirs returns the value for Repository.GitAlternateObjectDirectories
+func AltObjectDirs(ctx context.Context) ([]string, bool) {
+	dirs1 := ctx.Value(ctxAltObjectDirsMarkerKey)
+	if dirs1 == nil {
+		return nil, false
+	}
+
+	dirs2, ok := dirs1.([]string)
+	return dirs2, ok
+}
+
+func newContextWithDirValues(ctx context.Context, req interface{}) context.Context {
+	if repo, ok := req.(requestWithRepository); ok {
+		if dir := repo.GetRepository().GetGitObjectDirectory(); dir != "" {
+			ctx = context.WithValue(ctx, ctxObjectDirMarkerKey, dir)
+		}
+
+		if dirs := repo.GetRepository().GetGitAlternateObjectDirectories(); len(dirs) > 0 {
+			ctx = context.WithValue(ctx, ctxAltObjectDirsMarkerKey, dirs)
+		}
+	}
+
+	return ctx
+}
+
+func (s *recvWrapper) RecvMsg(m interface{}) error {
+	if err := s.ServerStream.RecvMsg(m); err != nil {
+		return err
+	}
+
+	s.wrapOnce.Do(func() {
+		s.wrappedContext = newContextWithDirValues(s.wrappedContext, m)
+	})
+
+	return nil
+}
+
+func (s *recvWrapper) Context() context.Context {
+	return s.wrappedContext
+}
diff --git a/internal/server/server.go b/internal/server/server.go
index 51da651cb..0abe6178e 100644
--- a/internal/server/server.go
+++ b/internal/server/server.go
@@ -5,6 +5,7 @@ import (
 
 	"gitlab.com/gitlab-org/gitaly/internal/helper/fieldextractors"
 	"gitlab.com/gitlab-org/gitaly/internal/middleware/cancelhandler"
+	"gitlab.com/gitlab-org/gitaly/internal/middleware/objectdirhandler"
 	"gitlab.com/gitlab-org/gitaly/internal/middleware/panichandler"
 	"gitlab.com/gitlab-org/gitaly/internal/middleware/sentryhandler"
 	"gitlab.com/gitlab-org/gitaly/internal/service"
@@ -29,6 +30,7 @@ func New() *grpc.Server {
 
 	server := grpc.NewServer(
 		grpc.StreamInterceptor(grpc_middleware.ChainStreamServer(
+			objectdirhandler.Stream,
 			grpc_ctxtags.StreamServerInterceptor(ctxTagOpts...),
 			grpc_prometheus.StreamServerInterceptor,
 			grpc_logrus.StreamServerInterceptor(logrusEntry),
@@ -40,6 +42,7 @@ func New() *grpc.Server {
 			panichandler.StreamPanicHandler,
 		)),
 		grpc.UnaryInterceptor(grpc_middleware.ChainUnaryServer(
+			objectdirhandler.Unary,
 			grpc_ctxtags.UnaryServerInterceptor(ctxTagOpts...),
 			grpc_prometheus.UnaryServerInterceptor,
 			grpc_logrus.UnaryServerInterceptor(logrusEntry),
diff --git a/internal/service/commit/find_all_commits_test.go b/internal/service/commit/find_all_commits_test.go
index 7de97980f..c48759561 100644
--- a/internal/service/commit/find_all_commits_test.go
+++ b/internal/service/commit/find_all_commits_test.go
@@ -1,7 +1,11 @@
 package commit
 
 import (
+	"fmt"
 	"io"
+	"os"
+	"os/exec"
+	"path"
 	"testing"
 
 	"gitlab.com/gitlab-org/gitaly/internal/service/ref"
@@ -253,17 +257,7 @@ func TestSuccessfulFindAllCommitsRequest(t *testing.T) {
 			t.Fatal(err)
 		}
 
-		receivedCommits := []*pb.GitCommit{}
-		for {
-			resp, err := c.Recv()
-			if err == io.EOF {
-				break
-			} else if err != nil {
-				t.Fatal(err)
-			}
-
-			receivedCommits = append(receivedCommits, resp.GetCommits()...)
-		}
+		receivedCommits := collectCommtsFromFindAllCommitsClient(t, c)
 
 		require.Equal(t, len(testCase.expectedCommits), len(receivedCommits), "number of commits received")
 
@@ -275,6 +269,89 @@ func TestSuccessfulFindAllCommitsRequest(t *testing.T) {
 	}
 }
 
+func TestSuccessfulFindAllCommitsRequestWithAltGitObjectDirs(t *testing.T) {
+	service, ruby, serverSocketPath := startTestServices(t)
+	defer stopTestServices(service, ruby)
+
+	client := newCommitServiceClient(t, serverSocketPath)
+
+	committerName := "Scrooge McDuck"
+	committerEmail := "scrooge@mcduck.com"
+
+	storagePath := testhelper.GitlabTestStoragePath()
+	testRepoPath := path.Join(storagePath, testRepo.RelativePath)
+	testRepoCopyPath := path.Join(storagePath, "is-ancestor-alt-test-repo")
+	altObjectsPath := path.Join(testRepoCopyPath, ".git/alt-objects")
+	gitObjectEnv := []string{
+		fmt.Sprintf("GIT_OBJECT_DIRECTORY=%s", altObjectsPath),
+		fmt.Sprintf("GIT_ALTERNATE_OBJECT_DIRECTORIES=%s", path.Join(testRepoCopyPath, ".git/objects")),
+	}
+
+	testhelper.MustRunCommand(t, nil, "git", "clone", testRepoPath, testRepoCopyPath)
+	defer os.RemoveAll(testRepoCopyPath)
+
+	if err := os.Mkdir(altObjectsPath, 0777); err != nil {
+		t.Fatal(err)
+	}
+
+	cmd := exec.Command("git", "-C", testRepoCopyPath,
+		"-c", fmt.Sprintf("user.name=%s", committerName),
+		"-c", fmt.Sprintf("user.email=%s", committerEmail),
+		"commit", "--allow-empty", "-m", "An empty commit")
+	cmd.Env = gitObjectEnv
+	if _, err := cmd.Output(); err != nil {
+		stderr := err.(*exec.ExitError).Stderr // XXX
+		t.Fatalf("%s", stderr)
+	}
+
+	cmd = exec.Command("git", "-C", testRepoCopyPath, "show", "--format=format:%H", "--no-patch", "HEAD")
+	cmd.Env = gitObjectEnv
+	currentHead, err := cmd.Output()
+	if err != nil {
+		t.Fatal(err)
+	}
+
+	testCases := []struct {
+		desc          string
+		altDirs       []string
+		expectedCount int
+	}{
+		{
+			desc:          "present GIT_ALTERNATE_OBJECT_DIRECTORIES",
+			altDirs:       []string{altObjectsPath},
+			expectedCount: 1,
+		},
+		{
+			desc:          "empty GIT_ALTERNATE_OBJECT_DIRECTORIES",
+			altDirs:       []string{},
+			expectedCount: 0,
+		},
+	}
+
+	for _, testCase := range testCases {
+		t.Logf("test case: %q", testCase.desc)
+
+		request := &pb.FindAllCommitsRequest{
+			Repository: &pb.Repository{
+				StorageName:                   testRepo.StorageName,
+				RelativePath:                  testRepo.RelativePath,
+				GitAlternateObjectDirectories: testCase.altDirs,
+			},
+			Revision: currentHead,
+			MaxCount: 1,
+		}
+
+		c, err := client.FindAllCommits(context.Background(), request)
+		if err != nil {
+			t.Fatal(err)
+		}
+
+		receivedCommits := collectCommtsFromFindAllCommitsClient(t, c)
+
+		require.Equal(t, testCase.expectedCount, len(receivedCommits), "number of commits received")
+	}
+}
+
 func TestFailedFindAllCommitsRequest(t *testing.T) {
 	service, ruby, serverSocketPath := startTestServices(t)
 	defer stopTestServices(service, ruby)
@@ -313,6 +390,23 @@ func TestFailedFindAllCommitsRequest(t *testing.T) {
 	}
 }
 
+func collectCommtsFromFindAllCommitsClient(t *testing.T, c pb.CommitService_FindAllCommitsClient) []*pb.GitCommit {
+	receivedCommits := []*pb.GitCommit{}
+
+	for {
+		resp, err := c.Recv()
+		if err == io.EOF {
+			break
+		} else if err != nil {
+			t.Fatal(err)
+		}
+
+		receivedCommits = append(receivedCommits, resp.GetCommits()...)
+	}
+
+	return receivedCommits
+}
+
 func drainFindAllCommitsResponse(c pb.CommitService_FindAllCommitsClient) error {
 	var err error
 	for err == nil {
diff --git a/internal/service/commit/isancestor_test.go b/internal/service/commit/isancestor_test.go
index f41c3d768..c61fb1511 100644
--- a/internal/service/commit/isancestor_test.go
+++ b/internal/service/commit/isancestor_test.go
@@ -1,8 +1,15 @@
 package commit
 
 import (
+	"fmt"
+	"os"
+	"os/exec"
+	"path"
 	"testing"
 
+	"gitlab.com/gitlab-org/gitaly/internal/testhelper"
+
+	"github.com/stretchr/testify/require"
 	"golang.org/x/net/context"
 	"google.golang.org/grpc"
 	"google.golang.org/grpc/codes"
@@ -156,3 +163,85 @@ func TestCommitIsAncestorSuccess(t *testing.T) {
 		}
 	}
 }
+
+func TestSuccessfulIsAncestorRequestWithAltGitObjectDirs(t *testing.T) {
+	service, ruby, serverSocketPath := startTestServices(t)
+	defer stopTestServices(service, ruby)
+
+	client := newCommitServiceClient(t, serverSocketPath)
+
+	committerName := "Scrooge McDuck"
+	committerEmail := "scrooge@mcduck.com"
+
+	storagePath := testhelper.GitlabTestStoragePath()
+	testRepoPath := path.Join(storagePath, testRepo.RelativePath)
+	testRepoCopyPath := path.Join(storagePath, "is-ancestor-alt-test-repo")
+	altObjectsPath := path.Join(testRepoCopyPath, ".git/alt-objects")
+	gitObjectEnv := []string{
+		fmt.Sprintf("GIT_OBJECT_DIRECTORY=%s", altObjectsPath),
+		fmt.Sprintf("GIT_ALTERNATE_OBJECT_DIRECTORIES=%s", path.Join(testRepoCopyPath, ".git/objects")),
+	}
+
+	testhelper.MustRunCommand(t, nil, "git", "clone", testRepoPath, testRepoCopyPath)
+	defer os.RemoveAll(testRepoCopyPath)
+
+	if err := os.Mkdir(altObjectsPath, 0777); err != nil {
+		t.Fatal(err)
+	}
+
+	previousHead := testhelper.MustRunCommand(t, nil, "git", "-C", testRepoCopyPath, "show", "--format=format:%H", "--no-patch", "HEAD")
+
+	cmd := exec.Command("git", "-C", testRepoCopyPath,
+		"-c", fmt.Sprintf("user.name=%s", committerName),
+		"-c", fmt.Sprintf("user.email=%s", committerEmail),
+		"commit", "--allow-empty", "-m", "An empty commit")
+	cmd.Env = gitObjectEnv
+	if _, err := cmd.Output(); err != nil {
+		stderr := err.(*exec.ExitError).Stderr // XXX
+		t.Fatalf("%s", stderr)
+	}
+
+	cmd = exec.Command("git", "-C", testRepoCopyPath, "show", "--format=format:%H", "--no-patch", "HEAD")
+	cmd.Env = gitObjectEnv
+	currentHead, err := cmd.Output()
+	if err != nil {
+		t.Fatal(err)
+	}
+
+	testCases := []struct {
+		desc    string
+		altDirs []string
+		result  bool
+	}{
+		{
+			desc:    "present GIT_ALTERNATE_OBJECT_DIRECTORIES",
+			altDirs: []string{altObjectsPath},
+			result:  true,
+		},
+		{
+			desc:    "empty GIT_ALTERNATE_OBJECT_DIRECTORIES",
+			altDirs: []string{},
+			result:  false,
+		},
+	}
+
+	for _, testCase := range testCases {
+		t.Logf("test case: %q", testCase.desc)
+		request := &pb.CommitIsAncestorRequest{
+			Repository: &pb.Repository{
+				StorageName:                   testRepo.StorageName,
+				RelativePath:                  testRepo.RelativePath,
+				GitAlternateObjectDirectories: testCase.altDirs,
+			},
+			AncestorId: string(previousHead),
+			ChildId:    string(currentHead),
+		}
+
+		response, err := client.CommitIsAncestor(context.Background(), request)
+		if err != nil {
+			t.Fatal(err)
+		}
+
+		require.Equal(t, testCase.result, response.Value)
+	}
+}
diff --git a/internal/service/commit/server.go b/internal/service/commit/server.go
index d812e6da6..4476cd543 100644
--- a/internal/service/commit/server.go
+++ b/internal/service/commit/server.go
@@ -14,3 +14,7 @@ var defaultBranchName = ref.DefaultBranchName
 func NewServer() pb.CommitServiceServer {
 	return &server{}
 }
+
+func (s *server) FindCommits(in *pb.FindCommitsRequest, stream pb.CommitService_FindCommitsServer) error {
+	return nil
+}
diff --git a/internal/service/commit/testhelper_test.go b/internal/service/commit/testhelper_test.go
index 81d6690e2..52af1f05f 100644
--- a/internal/service/commit/testhelper_test.go
+++ b/internal/service/commit/testhelper_test.go
@@ -6,11 +6,13 @@ import (
 	"testing"
 	"time"
 
+	"gitlab.com/gitlab-org/gitaly/internal/middleware/objectdirhandler"
 	"gitlab.com/gitlab-org/gitaly/internal/rubyserver"
 	"gitlab.com/gitlab-org/gitaly/internal/supervisor"
 	"gitlab.com/gitlab-org/gitaly/internal/testhelper"
 
 	"github.com/golang/protobuf/ptypes/timestamp"
+	"github.com/grpc-ecosystem/go-grpc-middleware"
 	"google.golang.org/grpc"
 	"google.golang.org/grpc/reflection"
 
@@ -40,7 +42,14 @@ func stopTestServices(service *grpc.Server, ruby *supervisor.Process) {
 }
 
 func runCommitServiceServer(t *testing.T) (server *grpc.Server, serviceSocketPath string) {
-	server = grpc.NewServer()
+	server = grpc.NewServer(
+		grpc.StreamInterceptor(grpc_middleware.ChainStreamServer(
+			objectdirhandler.Stream,
+		)),
+		grpc.UnaryInterceptor(grpc_middleware.ChainUnaryServer(
+			objectdirhandler.Unary,
+		)),
+	)
 	serviceSocketPath = testhelper.GetTemporaryGitalySocketFileName()
 
 	listener, err := net.Listen("unix", serviceSocketPath)
diff --git a/internal/service/repository/server.go b/internal/service/repository/server.go
index 7d7b29762..4de729c27 100644
--- a/internal/service/repository/server.go
+++ b/internal/service/repository/server.go
@@ -1,6 +1,10 @@
 package repository
 
-import pb "gitlab.com/gitlab-org/gitaly-proto/go"
+import (
+	pb "gitlab.com/gitlab-org/gitaly-proto/go"
+
+	"golang.org/x/net/context"
+)
 
 type server struct{}
 
@@ -8,3 +12,7 @@ type server struct{}
 func NewServer() pb.RepositoryServiceServer {
 	return &server{}
 }
+
+func (s *server) ApplyGitattributes(ctx context.Context, in *pb.ApplyGitattributesRequest) (*pb.ApplyGitattributesResponse, error) {
+	return nil, nil
+}
diff --git a/vendor/gitlab.com/gitlab-org/gitaly-proto/go/VERSION b/vendor/gitlab.com/gitlab-org/gitaly-proto/go/VERSION
index 4e8f395fa..1b58cc101 100644
--- a/vendor/gitlab.com/gitlab-org/gitaly-proto/go/VERSION
+++ b/vendor/gitlab.com/gitlab-org/gitaly-proto/go/VERSION
@@ -1 +1 @@
-0.26.0
+0.27.0
diff --git a/vendor/gitlab.com/gitlab-org/gitaly-proto/go/blob.pb.go b/vendor/gitlab.com/gitlab-org/gitaly-proto/go/blob.pb.go
index db8039fa8..3af45d2eb 100644
--- a/vendor/gitlab.com/gitlab-org/gitaly-proto/go/blob.pb.go
+++ b/vendor/gitlab.com/gitlab-org/gitaly-proto/go/blob.pb.go
@@ -38,6 +38,8 @@ It has these top-level messages:
 	FindCommitResponse
 	FindAllCommitsRequest
 	FindAllCommitsResponse
+	FindCommitsRequest
+	FindCommitsResponse
 	CommitLanguagesRequest
 	CommitLanguagesResponse
 	RawBlameRequest
@@ -79,6 +81,8 @@ It has these top-level messages:
 	GarbageCollectResponse
 	RepositorySizeRequest
 	RepositorySizeResponse
+	ApplyGitattributesRequest
+	ApplyGitattributesResponse
 	Repository
 	GitCommit
 	CommitAuthor
diff --git a/vendor/gitlab.com/gitlab-org/gitaly-proto/go/commit.pb.go b/vendor/gitlab.com/gitlab-org/gitaly-proto/go/commit.pb.go
index 075de750f..03a924880 100644
--- a/vendor/gitlab.com/gitlab-org/gitaly-proto/go/commit.pb.go
+++ b/vendor/gitlab.com/gitlab-org/gitaly-proto/go/commit.pb.go
@@ -665,6 +665,111 @@ func (m *FindAllCommitsResponse) GetCommits() []*GitCommit {
 	return nil
 }
 
+type FindCommitsRequest struct {
+	Repository  *Repository                `protobuf:"bytes,1,opt,name=repository" json:"repository,omitempty"`
+	Revision    []byte                     `protobuf:"bytes,2,opt,name=revision,proto3" json:"revision,omitempty"`
+	Limit       int32                      `protobuf:"varint,3,opt,name=limit" json:"limit,omitempty"`
+	Offset      int32                      `protobuf:"varint,4,opt,name=offset" json:"offset,omitempty"`
+	Paths       [][]byte                   `protobuf:"bytes,5,rep,name=paths,proto3" json:"paths,omitempty"`
+	Follow      bool                       `protobuf:"varint,6,opt,name=follow" json:"follow,omitempty"`
+	SkipMerges  bool                       `protobuf:"varint,7,opt,name=skip_merges,json=skipMerges" json:"skip_merges,omitempty"`
+	DisableWalk bool                       `protobuf:"varint,8,opt,name=disable_walk,json=disableWalk" json:"disable_walk,omitempty"`
+	After       *google_protobuf.Timestamp `protobuf:"bytes,9,opt,name=after" json:"after,omitempty"`
+	Before      *google_protobuf.Timestamp `protobuf:"bytes,10,opt,name=before" json:"before,omitempty"`
+}
+
+func (m *FindCommitsRequest) Reset()                    { *m = FindCommitsRequest{} }
+func (m *FindCommitsRequest) String() string            { return proto.CompactTextString(m) }
+func (*FindCommitsRequest) ProtoMessage()               {}
+func (*FindCommitsRequest) Descriptor() ([]byte, []int) { return fileDescriptor1, []int{19} }
+
+func (m *FindCommitsRequest) GetRepository() *Repository {
+	if m != nil {
+		return m.Repository
+	}
+	return nil
+}
+
+func (m *FindCommitsRequest) GetRevision() []byte {
+	if m != nil {
+		return m.Revision
+	}
+	return nil
+}
+
+func (m *FindCommitsRequest) GetLimit() int32 {
+	if m != nil {
+		return m.Limit
+	}
+	return 0
+}
+
+func (m *FindCommitsRequest) GetOffset() int32 {
+	if m != nil {
+		return m.Offset
+	}
+	return 0
+}
+
+func (m *FindCommitsRequest) GetPaths() [][]byte {
+	if m != nil {
+		return m.Paths
+	}
+	return nil
+}
+
+func (m *FindCommitsRequest) GetFollow() bool {
+	if m != nil {
+		return m.Follow
+	}
+	return false
+}
+
+func (m *FindCommitsRequest) GetSkipMerges() bool {
+	if m != nil {
+		return m.SkipMerges
+	}
+	return false
+}
+
+func (m *FindCommitsRequest) GetDisableWalk() bool {
+	if m != nil {
+		return m.DisableWalk
+	}
+	return false
+}
+
+func (m *FindCommitsRequest) GetAfter() *google_protobuf.Timestamp {
+	if m != nil {
+		return m.After
+	}
+	return nil
+}
+
+func (m *FindCommitsRequest) GetBefore() *google_protobuf.Timestamp {
+	if m != nil {
+		return m.Before
+	}
+	return nil
+}
+
+// A single 'page' of the result set
+type FindCommitsResponse struct {
+	Commits []*GitCommit `protobuf:"bytes,1,rep,name=commits" json:"commits,omitempty"`
+}
+
+func (m *FindCommitsResponse) Reset()                    { *m = FindCommitsResponse{} }
+func (m *FindCommitsResponse) String() string            { return proto.CompactTextString(m) }
+func (*FindCommitsResponse) ProtoMessage()               {}
+func (*FindCommitsResponse) Descriptor() ([]byte, []int) { return fileDescriptor1, []int{20} }
+
+func (m *FindCommitsResponse) GetCommits() []*GitCommit {
+	if m != nil {
+		return m.Commits
+	}
+	return nil
+}
+
 type CommitLanguagesRequest struct {
 	Repository *Repository `protobuf:"bytes,1,opt,name=repository" json:"repository,omitempty"`
 	Revision   []byte      `protobuf:"bytes,2,opt,name=revision,proto3" json:"revision,omitempty"`
@@ -673,7 +778,7 @@ type CommitLanguagesRequest struct {
 func (m *CommitLanguagesRequest) Reset()                    { *m = CommitLanguagesRequest{} }
 func (m *CommitLanguagesRequest) String() string            { return proto.CompactTextString(m) }
 func (*CommitLanguagesRequest) ProtoMessage()               {}
-func (*CommitLanguagesRequest) Descriptor() ([]byte, []int) { return fileDescriptor1, []int{19} }
+func (*CommitLanguagesRequest) Descriptor() ([]byte, []int) { return fileDescriptor1, []int{21} }
 
 func (m *CommitLanguagesRequest) GetRepository() *Repository {
 	if m != nil {
@@ -696,7 +801,7 @@ type CommitLanguagesResponse struct {
 func (m *CommitLanguagesResponse) Reset()                    { *m = CommitLanguagesResponse{} }
 func (m *CommitLanguagesResponse) String() string            { return proto.CompactTextString(m) }
 func (*CommitLanguagesResponse) ProtoMessage()               {}
-func (*CommitLanguagesResponse) Descriptor() ([]byte, []int) { return fileDescriptor1, []int{20} }
+func (*CommitLanguagesResponse) Descriptor() ([]byte, []int) { return fileDescriptor1, []int{22} }
 
 func (m *CommitLanguagesResponse) GetLanguages() []*CommitLanguagesResponse_Language {
 	if m != nil {
@@ -715,7 +820,7 @@ func (m *CommitLanguagesResponse_Language) Reset()         { *m = CommitLanguage
 func (m *CommitLanguagesResponse_Language) String() string { return proto.CompactTextString(m) }
 func (*CommitLanguagesResponse_Language) ProtoMessage()    {}
 func (*CommitLanguagesResponse_Language) Descriptor() ([]byte, []int) {
-	return fileDescriptor1, []int{20, 0}
+	return fileDescriptor1, []int{22, 0}
 }
 
 func (m *CommitLanguagesResponse_Language) GetName() string {
@@ -748,7 +853,7 @@ type RawBlameRequest struct {
 func (m *RawBlameRequest) Reset()                    { *m = RawBlameRequest{} }
 func (m *RawBlameRequest) String() string            { return proto.CompactTextString(m) }
 func (*RawBlameRequest) ProtoMessage()               {}
-func (*RawBlameRequest) Descriptor() ([]byte, []int) { return fileDescriptor1, []int{21} }
+func (*RawBlameRequest) Descriptor() ([]byte, []int) { return fileDescriptor1, []int{23} }
 
 func (m *RawBlameRequest) GetRepository() *Repository {
 	if m != nil {
@@ -778,7 +883,7 @@ type RawBlameResponse struct {
 func (m *RawBlameResponse) Reset()                    { *m = RawBlameResponse{} }
 func (m *RawBlameResponse) String() string            { return proto.CompactTextString(m) }
 func (*RawBlameResponse) ProtoMessage()               {}
-func (*RawBlameResponse) Descriptor() ([]byte, []int) { return fileDescriptor1, []int{22} }
+func (*RawBlameResponse) Descriptor() ([]byte, []int) { return fileDescriptor1, []int{24} }
 
 func (m *RawBlameResponse) GetData() []byte {
 	if m != nil {
@@ -796,7 +901,7 @@ type LastCommitForPathRequest struct {
 func (m *LastCommitForPathRequest) Reset()                    { *m = LastCommitForPathRequest{} }
 func (m *LastCommitForPathRequest) String() string            { return proto.CompactTextString(m) }
 func (*LastCommitForPathRequest) ProtoMessage()               {}
-func (*LastCommitForPathRequest) Descriptor() ([]byte, []int) { return fileDescriptor1, []int{23} }
+func (*LastCommitForPathRequest) Descriptor() ([]byte, []int) { return fileDescriptor1, []int{25} }
 
 func (m *LastCommitForPathRequest) GetRepository() *Repository {
 	if m != nil {
@@ -827,7 +932,7 @@ type LastCommitForPathResponse struct {
 func (m *LastCommitForPathResponse) Reset()                    { *m = LastCommitForPathResponse{} }
 func (m *LastCommitForPathResponse) String() string            { return proto.CompactTextString(m) }
 func (*LastCommitForPathResponse) ProtoMessage()               {}
-func (*LastCommitForPathResponse) Descriptor() ([]byte, []int) { return fileDescriptor1, []int{24} }
+func (*LastCommitForPathResponse) Descriptor() ([]byte, []int) { return fileDescriptor1, []int{26} }
 
 func (m *LastCommitForPathResponse) GetCommit() *GitCommit {
 	if m != nil {
@@ -848,7 +953,7 @@ type CommitsByMessageRequest struct {
 func (m *CommitsByMessageRequest) Reset()                    { *m = CommitsByMessageRequest{} }
 func (m *CommitsByMessageRequest) String() string            { return proto.CompactTextString(m) }
 func (*CommitsByMessageRequest) ProtoMessage()               {}
-func (*CommitsByMessageRequest) Descriptor() ([]byte, []int) { return fileDescriptor1, []int{25} }
+func (*CommitsByMessageRequest) Descriptor() ([]byte, []int) { return fileDescriptor1, []int{27} }
 
 func (m *CommitsByMessageRequest) GetRepository() *Repository {
 	if m != nil {
@@ -900,7 +1005,7 @@ type CommitsByMessageResponse struct {
 func (m *CommitsByMessageResponse) Reset()                    { *m = CommitsByMessageResponse{} }
 func (m *CommitsByMessageResponse) String() string            { return proto.CompactTextString(m) }
 func (*CommitsByMessageResponse) ProtoMessage()               {}
-func (*CommitsByMessageResponse) Descriptor() ([]byte, []int) { return fileDescriptor1, []int{26} }
+func (*CommitsByMessageResponse) Descriptor() ([]byte, []int) { return fileDescriptor1, []int{28} }
 
 func (m *CommitsByMessageResponse) GetCommits() []*GitCommit {
 	if m != nil {
@@ -929,6 +1034,8 @@ func init() {
 	proto.RegisterType((*FindCommitResponse)(nil), "gitaly.FindCommitResponse")
 	proto.RegisterType((*FindAllCommitsRequest)(nil), "gitaly.FindAllCommitsRequest")
 	proto.RegisterType((*FindAllCommitsResponse)(nil), "gitaly.FindAllCommitsResponse")
+	proto.RegisterType((*FindCommitsRequest)(nil), "gitaly.FindCommitsRequest")
+	proto.RegisterType((*FindCommitsResponse)(nil), "gitaly.FindCommitsResponse")
 	proto.RegisterType((*CommitLanguagesRequest)(nil), "gitaly.CommitLanguagesRequest")
 	proto.RegisterType((*CommitLanguagesResponse)(nil), "gitaly.CommitLanguagesResponse")
 	proto.RegisterType((*CommitLanguagesResponse_Language)(nil), "gitaly.CommitLanguagesResponse.Language")
@@ -964,6 +1071,7 @@ type CommitServiceClient interface {
 	CommitStats(ctx context.Context, in *CommitStatsRequest, opts ...grpc.CallOption) (*CommitStatsResponse, error)
 	// Use a stream to paginate the result set
 	FindAllCommits(ctx context.Context, in *FindAllCommitsRequest, opts ...grpc.CallOption) (CommitService_FindAllCommitsClient, error)
+	FindCommits(ctx context.Context, in *FindCommitsRequest, opts ...grpc.CallOption) (CommitService_FindCommitsClient, error)
 	CommitLanguages(ctx context.Context, in *CommitLanguagesRequest, opts ...grpc.CallOption) (*CommitLanguagesResponse, error)
 	RawBlame(ctx context.Context, in *RawBlameRequest, opts ...grpc.CallOption) (CommitService_RawBlameClient, error)
 	LastCommitForPath(ctx context.Context, in *LastCommitForPathRequest, opts ...grpc.CallOption) (*LastCommitForPathResponse, error)
@@ -1174,6 +1282,38 @@ func (x *commitServiceFindAllCommitsClient) Recv() (*FindAllCommitsResponse, err
 	return m, nil
 }
 
+func (c *commitServiceClient) FindCommits(ctx context.Context, in *FindCommitsRequest, opts ...grpc.CallOption) (CommitService_FindCommitsClient, error) {
+	stream, err := grpc.NewClientStream(ctx, &_CommitService_serviceDesc.Streams[5], c.cc, "/gitaly.CommitService/FindCommits", opts...)
+	if err != nil {
+		return nil, err
+	}
+	x := &commitServiceFindCommitsClient{stream}
+	if err := x.ClientStream.SendMsg(in); err != nil {
+		return nil, err
+	}
+	if err := x.ClientStream.CloseSend(); err != nil {
+		return nil, err
+	}
+	return x, nil
+}
+
+type CommitService_FindCommitsClient interface {
+	Recv() (*FindCommitsResponse, error)
+	grpc.ClientStream
+}
+
+type commitServiceFindCommitsClient struct {
+	grpc.ClientStream
+}
+
+func (x *commitServiceFindCommitsClient) Recv() (*FindCommitsResponse, error) {
+	m := new(FindCommitsResponse)
+	if err := x.ClientStream.RecvMsg(m); err != nil {
+		return nil, err
+	}
+	return m, nil
+}
+
 func (c *commitServiceClient) CommitLanguages(ctx context.Context, in *CommitLanguagesRequest, opts ...grpc.CallOption) (*CommitLanguagesResponse, error) {
 	out := new(CommitLanguagesResponse)
 	err := grpc.Invoke(ctx, "/gitaly.CommitService/CommitLanguages", in, out, c.cc, opts...)
@@ -1184,7 +1324,7 @@ func (c *commitServiceClient) CommitLanguages(ctx context.Context, in *CommitLan
 }
 
 func (c *commitServiceClient) RawBlame(ctx context.Context, in *RawBlameRequest, opts ...grpc.CallOption) (CommitService_RawBlameClient, error) {
-	stream, err := grpc.NewClientStream(ctx, &_CommitService_serviceDesc.Streams[5], c.cc, "/gitaly.CommitService/RawBlame", opts...)
+	stream, err := grpc.NewClientStream(ctx, &_CommitService_serviceDesc.Streams[6], c.cc, "/gitaly.CommitService/RawBlame", opts...)
 	if err != nil {
 		return nil, err
 	}
@@ -1225,7 +1365,7 @@ func (c *commitServiceClient) LastCommitForPath(ctx context.Context, in *LastCom
 }
 
 func (c *commitServiceClient) CommitsByMessage(ctx context.Context, in *CommitsByMessageRequest, opts ...grpc.CallOption) (CommitService_CommitsByMessageClient, error) {
-	stream, err := grpc.NewClientStream(ctx, &_CommitService_serviceDesc.Streams[6], c.cc, "/gitaly.CommitService/CommitsByMessage", opts...)
+	stream, err := grpc.NewClientStream(ctx, &_CommitService_serviceDesc.Streams[7], c.cc, "/gitaly.CommitService/CommitsByMessage", opts...)
 	if err != nil {
 		return nil, err
 	}
@@ -1269,6 +1409,7 @@ type CommitServiceServer interface {
 	CommitStats(context.Context, *CommitStatsRequest) (*CommitStatsResponse, error)
 	// Use a stream to paginate the result set
 	FindAllCommits(*FindAllCommitsRequest, CommitService_FindAllCommitsServer) error
+	FindCommits(*FindCommitsRequest, CommitService_FindCommitsServer) error
 	CommitLanguages(context.Context, *CommitLanguagesRequest) (*CommitLanguagesResponse, error)
 	RawBlame(*RawBlameRequest, CommitService_RawBlameServer) error
 	LastCommitForPath(context.Context, *LastCommitForPathRequest) (*LastCommitForPathResponse, error)
@@ -1456,6 +1597,27 @@ func (x *commitServiceFindAllCommitsServer) Send(m *FindAllCommitsResponse) erro
 	return x.ServerStream.SendMsg(m)
 }
 
+func _CommitService_FindCommits_Handler(srv interface{}, stream grpc.ServerStream) error {
+	m := new(FindCommitsRequest)
+	if err := stream.RecvMsg(m); err != nil {
+		return err
+	}
+	return srv.(CommitServiceServer).FindCommits(m, &commitServiceFindCommitsServer{stream})
+}
+
+type CommitService_FindCommitsServer interface {
+	Send(*FindCommitsResponse) error
+	grpc.ServerStream
+}
+
+type commitServiceFindCommitsServer struct {
+	grpc.ServerStream
+}
+
+func (x *commitServiceFindCommitsServer) Send(m *FindCommitsResponse) error {
+	return x.ServerStream.SendMsg(m)
+}
+
 func _CommitService_CommitLanguages_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
 	in := new(CommitLanguagesRequest)
 	if err := dec(in); err != nil {
@@ -1590,6 +1752,11 @@ var _CommitService_serviceDesc = grpc.ServiceDesc{
 			ServerStreams: true,
 		},
 		{
+			StreamName:    "FindCommits",
+			Handler:       _CommitService_FindCommits_Handler,
+			ServerStreams: true,
+		},
+		{
 			StreamName:    "RawBlame",
 			Handler:       _CommitService_RawBlame_Handler,
 			ServerStreams: true,
@@ -1606,83 +1773,90 @@ var _CommitService_serviceDesc = grpc.ServiceDesc{
 func init() { proto.RegisterFile("commit.proto", fileDescriptor1) }
 
 var fileDescriptor1 = []byte{
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 }
diff --git a/vendor/gitlab.com/gitlab-org/gitaly-proto/go/repository-service.pb.go b/vendor/gitlab.com/gitlab-org/gitaly-proto/go/repository-service.pb.go
index 39228adad..76f337f10 100644
--- a/vendor/gitlab.com/gitlab-org/gitaly-proto/go/repository-service.pb.go
+++ b/vendor/gitlab.com/gitlab-org/gitaly-proto/go/repository-service.pb.go
@@ -170,6 +170,38 @@ func (m *RepositorySizeResponse) GetSize() int64 {
 	return 0
 }
 
+type ApplyGitattributesRequest struct {
+	Repository *Repository `protobuf:"bytes,1,opt,name=repository" json:"repository,omitempty"`
+	Revision   []byte      `protobuf:"bytes,2,opt,name=revision,proto3" json:"revision,omitempty"`
+}
+
+func (m *ApplyGitattributesRequest) Reset()                    { *m = ApplyGitattributesRequest{} }
+func (m *ApplyGitattributesRequest) String() string            { return proto.CompactTextString(m) }
+func (*ApplyGitattributesRequest) ProtoMessage()               {}
+func (*ApplyGitattributesRequest) Descriptor() ([]byte, []int) { return fileDescriptor6, []int{10} }
+
+func (m *ApplyGitattributesRequest) GetRepository() *Repository {
+	if m != nil {
+		return m.Repository
+	}
+	return nil
+}
+
+func (m *ApplyGitattributesRequest) GetRevision() []byte {
+	if m != nil {
+		return m.Revision
+	}
+	return nil
+}
+
+type ApplyGitattributesResponse struct {
+}
+
+func (m *ApplyGitattributesResponse) Reset()                    { *m = ApplyGitattributesResponse{} }
+func (m *ApplyGitattributesResponse) String() string            { return proto.CompactTextString(m) }
+func (*ApplyGitattributesResponse) ProtoMessage()               {}
+func (*ApplyGitattributesResponse) Descriptor() ([]byte, []int) { return fileDescriptor6, []int{11} }
+
 func init() {
 	proto.RegisterType((*RepositoryExistsRequest)(nil), "gitaly.RepositoryExistsRequest")
 	proto.RegisterType((*RepositoryExistsResponse)(nil), "gitaly.RepositoryExistsResponse")
@@ -181,6 +213,8 @@ func init() {
 	proto.RegisterType((*GarbageCollectResponse)(nil), "gitaly.GarbageCollectResponse")
 	proto.RegisterType((*RepositorySizeRequest)(nil), "gitaly.RepositorySizeRequest")
 	proto.RegisterType((*RepositorySizeResponse)(nil), "gitaly.RepositorySizeResponse")
+	proto.RegisterType((*ApplyGitattributesRequest)(nil), "gitaly.ApplyGitattributesRequest")
+	proto.RegisterType((*ApplyGitattributesResponse)(nil), "gitaly.ApplyGitattributesResponse")
 }
 
 // Reference imports to suppress errors if they are not otherwise used.
@@ -199,6 +233,7 @@ type RepositoryServiceClient interface {
 	RepackFull(ctx context.Context, in *RepackFullRequest, opts ...grpc.CallOption) (*RepackFullResponse, error)
 	GarbageCollect(ctx context.Context, in *GarbageCollectRequest, opts ...grpc.CallOption) (*GarbageCollectResponse, error)
 	RepositorySize(ctx context.Context, in *RepositorySizeRequest, opts ...grpc.CallOption) (*RepositorySizeResponse, error)
+	ApplyGitattributes(ctx context.Context, in *ApplyGitattributesRequest, opts ...grpc.CallOption) (*ApplyGitattributesResponse, error)
 	// Deprecated, use the RepositoryExists RPC instead.
 	Exists(ctx context.Context, in *RepositoryExistsRequest, opts ...grpc.CallOption) (*RepositoryExistsResponse, error)
 }
@@ -256,6 +291,15 @@ func (c *repositoryServiceClient) RepositorySize(ctx context.Context, in *Reposi
 	return out, nil
 }
 
+func (c *repositoryServiceClient) ApplyGitattributes(ctx context.Context, in *ApplyGitattributesRequest, opts ...grpc.CallOption) (*ApplyGitattributesResponse, error) {
+	out := new(ApplyGitattributesResponse)
+	err := grpc.Invoke(ctx, "/gitaly.RepositoryService/ApplyGitattributes", in, out, c.cc, opts...)
+	if err != nil {
+		return nil, err
+	}
+	return out, nil
+}
+
 func (c *repositoryServiceClient) Exists(ctx context.Context, in *RepositoryExistsRequest, opts ...grpc.CallOption) (*RepositoryExistsResponse, error) {
 	out := new(RepositoryExistsResponse)
 	err := grpc.Invoke(ctx, "/gitaly.RepositoryService/Exists", in, out, c.cc, opts...)
@@ -273,6 +317,7 @@ type RepositoryServiceServer interface {
 	RepackFull(context.Context, *RepackFullRequest) (*RepackFullResponse, error)
 	GarbageCollect(context.Context, *GarbageCollectRequest) (*GarbageCollectResponse, error)
 	RepositorySize(context.Context, *RepositorySizeRequest) (*RepositorySizeResponse, error)
+	ApplyGitattributes(context.Context, *ApplyGitattributesRequest) (*ApplyGitattributesResponse, error)
 	// Deprecated, use the RepositoryExists RPC instead.
 	Exists(context.Context, *RepositoryExistsRequest) (*RepositoryExistsResponse, error)
 }
@@ -371,6 +416,24 @@ func _RepositoryService_RepositorySize_Handler(srv interface{}, ctx context.Cont
 	return interceptor(ctx, in, info, handler)
 }
 
+func _RepositoryService_ApplyGitattributes_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
+	in := new(ApplyGitattributesRequest)
+	if err := dec(in); err != nil {
+		return nil, err
+	}
+	if interceptor == nil {
+		return srv.(RepositoryServiceServer).ApplyGitattributes(ctx, in)
+	}
+	info := &grpc.UnaryServerInfo{
+		Server:     srv,
+		FullMethod: "/gitaly.RepositoryService/ApplyGitattributes",
+	}
+	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
+		return srv.(RepositoryServiceServer).ApplyGitattributes(ctx, req.(*ApplyGitattributesRequest))
+	}
+	return interceptor(ctx, in, info, handler)
+}
+
 func _RepositoryService_Exists_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
 	in := new(RepositoryExistsRequest)
 	if err := dec(in); err != nil {
@@ -414,6 +477,10 @@ var _RepositoryService_serviceDesc = grpc.ServiceDesc{
 			Handler:    _RepositoryService_RepositorySize_Handler,
 		},
 		{
+			MethodName: "ApplyGitattributes",
+			Handler:    _RepositoryService_ApplyGitattributes_Handler,
+		},
+		{
 			MethodName: "Exists",
 			Handler:    _RepositoryService_Exists_Handler,
 		},
@@ -425,29 +492,32 @@ var _RepositoryService_serviceDesc = grpc.ServiceDesc{
 func init() { proto.RegisterFile("repository-service.proto", fileDescriptor6) }
 
 var fileDescriptor6 = []byte{
-	// 370 bytes of a gzipped FileDescriptorProto
-	0x1f, 0x8b, 0x08, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, 0xff, 0xb4, 0x94, 0x41, 0x4f, 0xfa, 0x40,
-	0x10, 0xc5, 0xe1, 0xff, 0x27, 0x8d, 0x19, 0xd1, 0xe8, 0x44, 0xb0, 0xd4, 0xa8, 0x58, 0x2f, 0x1e,
-	0x94, 0x43, 0xfd, 0x06, 0x1a, 0x34, 0xc6, 0x60, 0x62, 0x3d, 0x98, 0x78, 0x31, 0x4b, 0x9d, 0xe0,
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-	0x32, 0xa4, 0xd1, 0xf7, 0x0c, 0x69, 0x76, 0xd2, 0xad, 0x60, 0x0f, 0xac, 0x5f, 0xf4, 0xa5, 0x6f,
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-	0x00, 0x00,
+	// 428 bytes of a gzipped FileDescriptorProto
+	0x1f, 0x8b, 0x08, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, 0xff, 0xb4, 0x94, 0x4d, 0xcf, 0xd2, 0x40,
+	0x10, 0xc7, 0x41, 0x49, 0x43, 0x46, 0x34, 0x3a, 0x11, 0x2c, 0xeb, 0x1b, 0xae, 0x17, 0x0f, 0xca,
+	0xa1, 0x7e, 0x02, 0x35, 0x48, 0x8c, 0xc1, 0xc4, 0x7a, 0x30, 0x31, 0x31, 0x66, 0x5b, 0x27, 0xb8,
+	0xa1, 0xb4, 0x75, 0x77, 0x21, 0xc2, 0xd7, 0xf5, 0x8b, 0x3c, 0xc9, 0xb6, 0xf4, 0x05, 0x0a, 0x97,
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+	0x1b, 0x2a, 0x12, 0x86, 0x7e, 0x05, 0xd2, 0xac, 0x45, 0xea, 0xde, 0xb2, 0x7f, 0x6a, 0x90, 0x05,
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+	0xc3, 0x12, 0xfc, 0x4d, 0xee, 0xa9, 0xcd, 0xe4, 0x5f, 0xc3, 0xe8, 0x18, 0x96, 0xbf, 0x3d, 0x42,
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+	0x97, 0x46, 0x18, 0xa3, 0x64, 0xb0, 0x31, 0xd4, 0xc6, 0x7c, 0xc8, 0xa0, 0xaf, 0x68, 0x2b, 0xb5,
+	0x4c, 0x62, 0x3b, 0x85, 0x81, 0x5f, 0x9c, 0xf9, 0x13, 0x60, 0x4d, 0xcd, 0x32, 0x79, 0xde, 0xff,
+	0x9e, 0xb5, 0xc5, 0x41, 0x79, 0xb6, 0x37, 0xf8, 0x1d, 0xee, 0x1f, 0x9b, 0x19, 0x9f, 0x9f, 0x6a,
+	0xa8, 0x6d, 0x0d, 0x9b, 0x9c, 0x4f, 0xc8, 0x47, 0xde, 0xc1, 0x1f, 0x07, 0x13, 0x56, 0x1c, 0x8a,
+	0xd5, 0xc2, 0xc6, 0x65, 0x60, 0x2f, 0x2e, 0x64, 0x14, 0xec, 0x19, 0x40, 0x69, 0x39, 0x1c, 0xd7,
+	0x4b, 0x2a, 0xa6, 0x67, 0xac, 0xe9, 0xaa, 0xc0, 0x7c, 0x85, 0x7b, 0x75, 0xc7, 0xe0, 0xd3, 0x43,
+	0x7e, 0xa3, 0x77, 0xd9, 0xb3, 0x73, 0xd7, 0x55, 0x64, 0xdd, 0x1d, 0x25, 0xb2, 0xd1, 0x82, 0x25,
+	0xb2, 0xd9, 0x54, 0xbc, 0x83, 0x3f, 0x01, 0x4f, 0x5f, 0x15, 0x8b, 0x39, 0x9d, 0xb5, 0x17, 0xe3,
+	0x97, 0x52, 0x0a, 0xfc, 0x02, 0x9c, 0x6b, 0x7c, 0xf6, 0xc0, 0xb1, 0x9f, 0xdc, 0xb7, 0x57, 0x01,
+	0x00, 0x00, 0xff, 0xff, 0x02, 0x6b, 0x94, 0x5f, 0xa4, 0x05, 0x00, 0x00,
 }
diff --git a/vendor/gitlab.com/gitlab-org/gitaly-proto/go/shared.pb.go b/vendor/gitlab.com/gitlab-org/gitaly-proto/go/shared.pb.go
index 3df4fdc43..571490eb3 100644
--- a/vendor/gitlab.com/gitlab-org/gitaly-proto/go/shared.pb.go
+++ b/vendor/gitlab.com/gitlab-org/gitaly-proto/go/shared.pb.go
@@ -16,6 +16,12 @@ var _ = math.Inf
 type Repository struct {
 	StorageName  string `protobuf:"bytes,2,opt,name=storage_name,json=storageName" json:"storage_name,omitempty"`
 	RelativePath string `protobuf:"bytes,3,opt,name=relative_path,json=relativePath" json:"relative_path,omitempty"`
+	// Sets the GIT_OBJECT_DIRECTORY envvar on git commands to the value of this field.
+	// It influences the object storage directory the SHA1 directories are created underneath.
+	GitObjectDirectory string `protobuf:"bytes,4,opt,name=git_object_directory,json=gitObjectDirectory" json:"git_object_directory,omitempty"`
+	// Sets the GIT_ALTERNATE_OBJECT_DIRECTORIES envvar on git commands to the values of this field.
+	// It influences the list of Git object directories which can be used to search for Git objects.
+	GitAlternateObjectDirectories []string `protobuf:"bytes,5,rep,name=git_alternate_object_directories,json=gitAlternateObjectDirectories" json:"git_alternate_object_directories,omitempty"`
 }
 
 func (m *Repository) Reset()                    { *m = Repository{} }
@@ -37,6 +43,20 @@ func (m *Repository) GetRelativePath() string {
 	return ""
 }
 
+func (m *Repository) GetGitObjectDirectory() string {
+	if m != nil {
+		return m.GitObjectDirectory
+	}
+	return ""
+}
+
+func (m *Repository) GetGitAlternateObjectDirectories() []string {
+	if m != nil {
+		return m.GitAlternateObjectDirectories
+	}
+	return nil
+}
+
 type GitCommit struct {
 	Id        string        `protobuf:"bytes,1,opt,name=id" json:"id,omitempty"`
 	Subject   []byte        `protobuf:"bytes,2,opt,name=subject,proto3" json:"subject,omitempty"`
@@ -151,26 +171,30 @@ func init() {
 func init() { proto.RegisterFile("shared.proto", fileDescriptor7) }
 
 var fileDescriptor7 = []byte{
-	// 335 bytes of a gzipped FileDescriptorProto
-	0x1f, 0x8b, 0x08, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, 0xff, 0x7c, 0x51, 0xc1, 0x4a, 0xc3, 0x40,
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+	// 393 bytes of a gzipped FileDescriptorProto
+	0x1f, 0x8b, 0x08, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, 0xff, 0x7c, 0x52, 0x4d, 0x8f, 0xd3, 0x40,
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+	0x46, 0xd7, 0x49, 0xb9, 0x3e, 0x63, 0x1f, 0xb0, 0x27, 0xf3, 0x1c, 0x1e, 0x39, 0xea, 0x50, 0xf8,
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+	0x1a, 0x96, 0x8f, 0x3a, 0x7a, 0x33, 0x4f, 0xcc, 0x1d, 0x6c, 0x27, 0x05, 0x76, 0x42, 0xee, 0x88,
+	0x42, 0xff, 0x6a, 0x99, 0x7c, 0xb6, 0xdc, 0x5e, 0x5c, 0x27, 0xe5, 0x55, 0xc3, 0x72, 0x3b, 0xd3,
+	0xfe, 0x5e, 0xc3, 0xe4, 0xdf, 0xc7, 0x0f, 0xa3, 0x27, 0x8b, 0x32, 0x9e, 0xac, 0xe5, 0x3f, 0x22,
+	0x48, 0xee, 0x58, 0x5e, 0xdb, 0xbe, 0x67, 0x31, 0x8f, 0x61, 0xc1, 0x75, 0x16, 0xa9, 0x85, 0x05,
+	0xd7, 0x26, 0x83, 0x07, 0x7e, 0x54, 0xbd, 0xe6, 0x4c, 0xcb, 0xb9, 0x35, 0x06, 0xe2, 0xbd, 0xad,
+	0x4f, 0x1a, 0x2d, 0x2d, 0xb5, 0x36, 0x2f, 0x60, 0x85, 0xa3, 0xb4, 0xd6, 0x69, 0x88, 0xf5, 0x6e,
+	0x53, 0x84, 0x7f, 0x5c, 0x84, 0xed, 0xb7, 0x3a, 0x2b, 0xcf, 0x1c, 0xb3, 0x83, 0xe4, 0xa0, 0xb8,
+	0x90, 0xcb, 0x96, 0xff, 0x11, 0xfc, 0xa6, 0x99, 0x2b, 0x80, 0x01, 0x1d, 0x1d, 0xa5, 0xe2, 0xda,
+	0x67, 0x2b, 0x0d, 0x9b, 0x04, 0xe4, 0x5d, 0xed, 0xf3, 0x16, 0xd2, 0x3f, 0x95, 0x93, 0x49, 0x7d,
+	0xa3, 0x28, 0x98, 0x9c, 0x6a, 0xb3, 0x81, 0x25, 0xf5, 0xc8, 0xdd, 0x39, 0x50, 0x68, 0x4c, 0x01,
+	0x71, 0x8d, 0x42, 0x1a, 0x67, 0xbd, 0xbb, 0x2c, 0xc2, 0x51, 0x14, 0xf3, 0x51, 0x14, 0x5f, 0xe6,
+	0xa3, 0x28, 0x95, 0x97, 0xe7, 0x00, 0x6f, 0xbf, 0xb3, 0x7c, 0x16, 0x94, 0xd1, 0x4f, 0x3b, 0xef,
+	0xb1, 0x1b, 0xc3, 0x87, 0x96, 0x65, 0x68, 0xf6, 0x2b, 0x55, 0xbf, 0xfa, 0x15, 0x00, 0x00, 0xff,
+	0xff, 0xe1, 0xc9, 0xfa, 0xcc, 0x78, 0x02, 0x00, 0x00,
 }
diff --git a/vendor/vendor.json b/vendor/vendor.json
index 3d5f2d000..11d1d7799 100644
--- a/vendor/vendor.json
+++ b/vendor/vendor.json
@@ -191,12 +191,12 @@
 			"revisionTime": "2017-01-30T11:31:45Z"
 		},
 		{
-			"checksumSHA1": "SLg1biewmO4gJ6yNQAW7AkmXi8M=",
+			"checksumSHA1": "cXvIhsiTZLnnt0VZU8dul8/HxgE=",
 			"path": "gitlab.com/gitlab-org/gitaly-proto/go",
-			"revision": "b4f2ed5e389a5f78de8b299f1a7c2a414f7e2094",
-			"revisionTime": "2017-08-04T11:04:02Z",
-			"version": "v0.26.0",
-			"versionExact": "v0.26.0"
+			"revision": "aa95274b97f7ed54f10e8988337dd880b4d045a3",
+			"revisionTime": "2017-08-09T16:49:28Z",
+			"version": "v0.27.0",
+			"versionExact": "v0.27.0"
 		},
 		{
 			"checksumSHA1": "Y+HGqEkYM15ir+J93MEaHdyFy0c=",