From 5d7ee7a1b6c818dd0ccba6a393875072dabd7eba Mon Sep 17 00:00:00 2001
From: Kamil Trzcinski <ayufan@ayufan.eu>
Date: Thu, 20 Oct 2016 09:33:44 +0200
Subject: Use optimistic locking

---
 lib/gitlab/optimistic_locking.rb | 13 +++++++++++++
 1 file changed, 13 insertions(+)
 create mode 100644 lib/gitlab/optimistic_locking.rb

(limited to 'lib/gitlab/optimistic_locking.rb')

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
-- 
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