Add latest changes from gitlab-org/gitlab@13-12-stable-eev13.12.0-rc42

1 files changed, 18 insertions, 0 deletions

diff --git a/lib/gitlab/cache.rb b/lib/gitlab/cache.rb
new file mode 100644
index 00000000000..90a0c38ff7b
--- /dev/null
+++ b/lib/gitlab/cache.rb
@@ -0,0 +1,18 @@
+# frozen_string_literal: true
+
+module Gitlab
+  module Cache
+    class << self
+      # Utility method for performing a fetch but only
+      # once per request, storing the returned value in
+      # the request store, if active.
+      def fetch_once(key, **kwargs)
+        Gitlab::SafeRequestStore.fetch(key) do
+          Rails.cache.fetch(key, **kwargs) do
+            yield
+          end
+        end
+      end
+    end
+  end
+end