1 files changed, 13 insertions, 0 deletions
diff --git a/lib/gitlab/optimistic_locking.rb b/lib/gitlab/optimistic_locking.rb
new file mode 100644
index 00000000000..7668c518bc5
--- /dev/null
+++ b/lib/gitlab/optimistic_locking.rb
@@ -0,0 +1,13 @@
+module Gitlab
+  module OptimisticLocking
+    def retry_lock(subject, &block)
+      while true do
+        begin
+          return yield subject
+        rescue StaleObjectError
+          subject.reload
+        end
+      end
+    end
+  end
+end