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-rw-r--r--rubocop/cop/gitlab/change_timzone.rb20
1 files changed, 20 insertions, 0 deletions
diff --git a/rubocop/cop/gitlab/change_timzone.rb b/rubocop/cop/gitlab/change_timzone.rb
new file mode 100644
index 00000000000..63e6dd411f3
--- /dev/null
+++ b/rubocop/cop/gitlab/change_timzone.rb
@@ -0,0 +1,20 @@
+# frozen_string_literal: true
+
+module RuboCop
+ module Cop
+ module Gitlab
+ class ChangeTimezone < RuboCop::Cop::Cop
+ MSG = "Do not change timezone in the runtime (application or rspec), " \
+ "it could result in silently modifying other behavior.".freeze
+
+ def_node_matcher :changing_timezone?, <<~PATTERN
+ (send (const nil? :Time) :zone= ...)
+ PATTERN
+
+ def on_send(node)
+ changing_timezone?(node) { add_offense(node) }
+ end
+ end
+ end
+ end
+end