Adapt to new Gitaly commit message format

lib/gitlab/git/commit.rb

@@ -210,6 +210,8 @@ module Gitlab
           init_from_hash(raw_commit)
         elsif raw_commit.is_a?(Rugged::Commit)
           init_from_rugged(raw_commit)
+        elsif raw_commit.is_a?(Gitaly::GitCommit)
+          init_from_gitaly(raw_commit)
         else
           raise "Invalid raw commit type: #{raw_commit.class}"
         end
@@ -371,6 +373,24 @@ module Gitlab
         @parent_ids = commit.parents.map(&:oid)
       end
+      def init_from_gitaly(commit)
+        @raw_commit = commit
+        @id = commit.id
+        # NOTE: For ease of parsing in Gitaly, we have only the subject of
+        # the commit and not the full message.
+        # TODO: Once gitaly "takes over" Rugged consider separating the
+        # subject from the message to make it clearer when there's one
+        # available but not the other.
+        @message = commit.subject.dup
+        @authored_date = Time.at(commit.author.date.seconds)
+        @author_name = commit.author.name.dup
+        @author_email = commit.author.email.dup
+        @committed_date = Time.at(commit.committer.date.seconds)
+        @committer_name = commit.committer.name.dup
+        @committer_email = commit.committer.email.dup
+        @parent_ids = commit.parent_ids
+      end
+
       def serialize_keys
         SERIALIZE_KEYS
       end

lib/gitlab/gitaly_client/ref_service.rb

@@ -96,11 +96,11 @@ module Gitlab
           id: response.commit_id,
           message: message,
           authored_date: Time.at(response.commit_author.date.seconds),
-          author_name: response.commit_author.name,
-          author_email: response.commit_author.email,
+          author_name: response.commit_author.name.dup,
+          author_email: response.commit_author.email.dup,
           committed_date: Time.at(response.commit_committer.date.seconds),
-          committer_name: response.commit_committer.name,
-          committer_email: response.commit_committer.email
+          committer_name: response.commit_committer.name.dup,
+          committer_email: response.commit_committer.email.dup
         }
         Gitlab::Git::Commit.decorate(hash)

spec/lib/gitlab/git/commit_spec.rb

@@ -64,6 +64,41 @@ describe Gitlab::Git::Commit, seed_helper: true do
     end
   end
+  describe "Commit info from gitaly commit" do
+    let(:id) { 'f00' }
+    let(:subject) { "My commit".force_encoding('ASCII-8BIT') }
+    let(:committer) do
+      Gitaly::CommitAuthor.new(
+        name: generate(:name),
+        email: generate(:email),
+        date: Google::Protobuf::Timestamp.new(seconds: 123)
+      )
+    end
+    let(:author) do
+      Gitaly::CommitAuthor.new(
+        name: generate(:name),
+        email: generate(:email),
+        date: Google::Protobuf::Timestamp.new(seconds: 456)
+      )
+    end
+    let(:gitaly_commit) do
+      Gitaly::GitCommit.new(
+        id: id, subject: subject, author: author, committer: committer
+      )
+    end
+    let(:commit) { described_class.new(gitaly_commit) }
+
+    it { expect(commit.short_id).to eq(id[0..10]) }
+    it { expect(commit.id).to eq(id) }
+    it { expect(commit.sha).to eq(id) }
+    it { expect(commit.safe_message).to eq(subject) }
+    it { expect(commit.created_at).to eq(Time.at(committer.date.seconds)) }
+    it { expect(commit.author_email).to eq(author.email) }
+    it { expect(commit.author_name).to eq(author.name) }
+    it { expect(commit.committer_name).to eq(committer.name) }
+    it { expect(commit.committer_email).to eq(committer.email) }
+  end
+
   context 'Class methods' do
     describe '.find' do
       it "should return first head commit if without params" do