Add support for MaxCount in CountCommits RPC

Closes #855

6 files changed, 121 insertions, 97 deletions

diff --git a/CHANGELOG.md b/CHANGELOG.md
index 8328e2ebd..3bcbd613e 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,6 +2,8 @@
 
 UNRELEASED
 
+- Add support for MaxCount in CountCommits RPC
+  https://gitlab.com/gitlab-org/gitaly/merge_requests/507
 - Implement CreateFork RPC
   https://gitlab.com/gitlab-org/gitaly/merge_requests/497
 
diff --git a/internal/service/commit/count_commits.go b/internal/service/commit/count_commits.go
index 96545cc25..061083646 100644
--- a/internal/service/commit/count_commits.go
+++ b/internal/service/commit/count_commits.go
@@ -31,6 +31,9 @@ func (s *server) CountCommits(ctx context.Context, in *pb.CountCommitsRequest) (
 	if after := in.GetAfter(); after != nil {
 		cmdArgs = append(cmdArgs, "--after="+timestampToRFC3339(after.Seconds))
 	}
+	if maxCount := in.GetMaxCount(); maxCount != 0 {
+		cmdArgs = append(cmdArgs, fmt.Sprintf("--max-count=%d", maxCount))
+	}
 	if path := in.GetPath(); path != nil {
 		cmdArgs = append(cmdArgs, "--", string(path))
 	}
diff --git a/internal/service/commit/count_commits_test.go b/internal/service/commit/count_commits_test.go
index 9241a001c..82bcf8483 100644
--- a/internal/service/commit/count_commits_test.go
+++ b/internal/service/commit/count_commits_test.go
@@ -28,6 +28,7 @@ func TestSuccessfulCountCommitsRequest(t *testing.T) {
 	testCases := []struct {
 		revision, path      []byte
 		before, after, desc string
+		maxCount            int32
 		count               int32
 	}{
 		{
@@ -46,6 +47,12 @@ func TestSuccessfulCountCommitsRequest(t *testing.T) {
 			count:    39,
 		},
 		{
+			desc:     "revision + max-count",
+			revision: []byte("e63f41fe459e62e1228fcef60d7189127aeba95a"),
+			maxCount: 15,
+			count:    15,
+		},
+		{
 			desc:     "non-existing revision",
 			revision: []byte("deadfacedeadfacedeadfacedeadfacedeadface"),
 			count:    0,
@@ -97,6 +104,10 @@ func TestSuccessfulCountCommitsRequest(t *testing.T) {
 				request.After = &timestamp.Timestamp{Seconds: after.Unix()}
 			}
 
+			if testCase.maxCount != 0 {
+				request.MaxCount = testCase.maxCount
+			}
+
 			if testCase.path != nil {
 				request.Path = testCase.path
 			}
diff --git a/vendor/gitlab.com/gitlab-org/gitaly-proto/go/VERSION b/vendor/gitlab.com/gitlab-org/gitaly-proto/go/VERSION
index 70cd2261d..d4f16f060 100644
--- a/vendor/gitlab.com/gitlab-org/gitaly-proto/go/VERSION
+++ b/vendor/gitlab.com/gitlab-org/gitaly-proto/go/VERSION
@@ -1 +1 @@
-0.63.0
+0.64.0
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 d62364a4f..9e9c2c79d 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
@@ -349,6 +349,7 @@ type CountCommitsRequest struct {
 	After      *google_protobuf.Timestamp `protobuf:"bytes,3,opt,name=after" json:"after,omitempty"`
 	Before     *google_protobuf.Timestamp `protobuf:"bytes,4,opt,name=before" json:"before,omitempty"`
 	Path       []byte                     `protobuf:"bytes,5,opt,name=path,proto3" json:"path,omitempty"`
+	MaxCount   int32                      `protobuf:"varint,6,opt,name=max_count,json=maxCount" json:"max_count,omitempty"`
 }
 
 func (m *CountCommitsRequest) Reset()                    { *m = CountCommitsRequest{} }
@@ -391,6 +392,13 @@ func (m *CountCommitsRequest) GetPath() []byte {
 	return nil
 }
 
+func (m *CountCommitsRequest) GetMaxCount() int32 {
+	if m != nil {
+		return m.MaxCount
+	}
+	return 0
+}
+
 type CountCommitsResponse struct {
 	Count int32 `protobuf:"varint,1,opt,name=count" json:"count,omitempty"`
 }
@@ -1995,98 +2003,98 @@ var _CommitService_serviceDesc = grpc.ServiceDesc{
 func init() { proto.RegisterFile("commit.proto", fileDescriptor1) }
 
 var fileDescriptor1 = []byte{
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+	0xc0, 0x7e, 0x2e, 0x1f, 0x5d, 0xf1, 0xf6, 0x5e, 0x1f, 0xbd, 0xe0, 0x65, 0xa1, 0x8f, 0x5e, 0xf4,
+	0x32, 0x10, 0x47, 0x07, 0x50, 0x5d, 0x44, 0x81, 0xe8, 0x73, 0x7d, 0xcf, 0x6f, 0xe5, 0x63, 0xb3,
+	0xf6, 0xee, 0x85, 0xa1, 0xca, 0x9a, 0xb1, 0x6b, 0x9c, 0xe5, 0x45, 0x43, 0xf7, 0xe5, 0x7f, 0x01,
+	0x00, 0x00, 0xff, 0xff, 0xf6, 0xe5, 0xb4, 0x19, 0x25, 0x15, 0x00, 0x00,
 }
diff --git a/vendor/vendor.json b/vendor/vendor.json
index a2bae2f36..2b69947fe 100644
--- a/vendor/vendor.json
+++ b/vendor/vendor.json
@@ -201,12 +201,12 @@
 			"revisionTime": "2017-01-30T11:31:45Z"
 		},
 		{
-			"checksumSHA1": "m6C31zhZkTp99OQZbCo3A0AR2e0=",
+			"checksumSHA1": "y8DwyuzVd/S2zqYSI24ehAmcc48=",
 			"path": "gitlab.com/gitlab-org/gitaly-proto/go",
-			"revision": "62e29a26e10abdcfd67d1de72e589e23a5dd9c6e",
-			"revisionTime": "2017-12-21T20:50:40Z",
-			"version": "v0.63.0",
-			"versionExact": "v0.63.0"
+			"revision": "848e1b73269a25c244dbc6c6a89f27baf291fd4b",
+			"revisionTime": "2017-12-22T18:56:20Z",
+			"version": "v0.64.0",
+			"versionExact": "v0.64.0"
 		},
 		{
 			"checksumSHA1": "nqWNlnMmVpt628zzvyo6Yv2CX5Q=",