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-rw-r--r--lib/gitlab/shell_adapter.rb2
1 files changed, 2 insertions, 0 deletions
diff --git a/lib/gitlab/shell_adapter.rb b/lib/gitlab/shell_adapter.rb
index 053dd4ab9e0..59fc6ee8dc8 100644
--- a/lib/gitlab/shell_adapter.rb
+++ b/lib/gitlab/shell_adapter.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
# == GitLab Shell mixin
#
# Provide a shortcut to Gitlab::Shell instance by gitlab_shell