1 files changed, 7 insertions, 0 deletions
diff --git a/app/controllers/projects/merge_requests/application_controller.rb b/app/controllers/projects/merge_requests/application_controller.rb
index f2a6268b3e9..dcc272aecff 100644
--- a/app/controllers/projects/merge_requests/application_controller.rb
+++ b/app/controllers/projects/merge_requests/application_controller.rb
@@ -51,4 +51,11 @@ class Projects::MergeRequests::ApplicationController < Projects::ApplicationCont
         Ci::Pipeline.none
       end
   end
+
+  def close_merge_request_if_no_source_project
+    return if @merge_request.source_project
+    return unless @merge_request.open?
+
+    @merge_request.close
+  end
 end