1 files changed, 7 insertions, 8 deletions
diff --git a/app/models/merge_request.rb b/app/models/merge_request.rb
index 7a817eedec2..b82f49d7073 100644
--- a/app/models/merge_request.rb
+++ b/app/models/merge_request.rb
@@ -918,6 +918,12 @@ class MergeRequest < ActiveRecord::Base
     active_diff_discussions.each do |discussion|
       service.execute(discussion)
     end
+
+    if project.resolve_outdated_diff_discussions?
+      MergeRequests::ResolvedDiscussionNotificationService
+        .new(project, current_user)
+        .execute(self)
+    end
   end
 
   def keep_around_commit
@@ -957,13 +963,6 @@ class MergeRequest < ActiveRecord::Base
   private
 
   def write_ref
-    target_project.repository.with_repo_branch_commit(
-      source_project.repository, source_branch) do |commit|
-        if commit
-          target_project.repository.write_ref(ref_path, commit.sha)
-        else
-          raise Rugged::ReferenceError, 'source repository is empty'
-        end
-      end
+    target_project.repository.fetch_source_branch(source_project.repository, source_branch, ref_path)
   end
 end