From a24d4b3c674452ecb63f5a250b619362cc24630c Mon Sep 17 00:00:00 2001
From: Grzegorz Bizon <grzesiek.bizon@gmail.com>
Date: Fri, 17 Aug 2018 12:43:12 +0200
Subject: [PATCH] Use deep_dup to duplicate hash in CI/CD extendable config

---
 lib/gitlab/ci/config/extendable/collection.rb | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/gitlab/ci/config/extendable/collection.rb b/lib/gitlab/ci/config/extendable/collection.rb
index cdc8eb6614d..b57b3aa5d47 100644
--- a/lib/gitlab/ci/config/extendable/collection.rb
+++ b/lib/gitlab/ci/config/extendable/collection.rb
@@ -10,7 +10,7 @@ module Gitlab
           CircularDependencyError = Class.new(ExtensionError)
 
           def initialize(hash)
-            @hash = hash.dup
+            @hash = hash.deep_dup
 
             each { |entry| entry.extend! if entry.extensible? }
           end