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-rw-r--r--lib/gitlab/optimistic_locking.rb13
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