1 files changed, 55 insertions, 0 deletions
diff --git a/internal/service/commit/list_commits.go b/internal/service/commit/list_commits.go
new file mode 100644
index 000000000..1e38cdbf6
--- /dev/null
+++ b/internal/service/commit/list_commits.go
@@ -0,0 +1,55 @@
+package commit
+
+import (
+	"errors"
+	"io"
+
+	grpc_logrus "github.com/grpc-ecosystem/go-grpc-middleware/logging/logrus"
+	"gitlab.com/gitlab-org/gitaly-proto/go/gitalypb"
+	"gitlab.com/gitlab-org/gitaly/internal/git/catfile"
+	gitlog "gitlab.com/gitlab-org/gitaly/internal/git/log"
+	"gitlab.com/gitlab-org/gitaly/internal/helper"
+)
+
+func (s *server) ListCommits(stream gitalypb.CommitService_ListCommitsServer) error {
+	ctx := stream.Context()
+
+	msg, err := stream.Recv()
+	if err != nil {
+		return helper.ErrInternal(err)
+	}
+
+	header := msg.GetHeader()
+	if header == nil {
+		return helper.ErrInvalidArgument(errors.New("expected the first message to be a header"))
+	}
+
+	catfile, err := catfile.New(ctx, header.Repository)
+	if err != nil {
+		return helper.ErrInternalf("error creating catfile: %v", err)
+	}
+
+	for msg, err = stream.Recv(); err != io.EOF; {
+		if err != nil {
+			return helper.ErrInternal(err)
+		}
+
+		rev := msg.GetRevision()
+		if rev == nil {
+			grpc_logrus.Extract(ctx).WithField("glRepository", header.Repository.GlRepository).Warn("revision was not send")
+			continue
+		}
+
+		commit, err := gitlog.GetCommitCatfile(catfile, string(rev))
+		if err != nil {
+			return helper.ErrInternal(err)
+		}
+
+		resp := &gitalypb.ListCommitsResponse{Commit: commit}
+		if err = stream.Send(resp); err != nil {
+			return helper.ErrInternal(err)
+		}
+	}
+
+	return nil
+}