4 files changed, 8 insertions, 0 deletions
diff --git a/app/services/commits/change_service.rb b/app/services/commits/change_service.rb
index 1ce6ab36cbf..2fbd442fc2e 100644
--- a/app/services/commits/change_service.rb
+++ b/app/services/commits/change_service.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 module Commits
   class ChangeService < Commits::CreateService
     def initialize(*args)
diff --git a/app/services/commits/cherry_pick_service.rb b/app/services/commits/cherry_pick_service.rb
index 320e229560d..4c5b15b2f95 100644
--- a/app/services/commits/cherry_pick_service.rb
+++ b/app/services/commits/cherry_pick_service.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 module Commits
   class CherryPickService < ChangeService
     def create_commit!
diff --git a/app/services/commits/create_service.rb b/app/services/commits/create_service.rb
index 4d0578becbe..3ce9acc833c 100644
--- a/app/services/commits/create_service.rb
+++ b/app/services/commits/create_service.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 module Commits
   class CreateService < ::BaseService
     ValidationError = Class.new(StandardError)
diff --git a/app/services/commits/revert_service.rb b/app/services/commits/revert_service.rb
index dc27399e047..dddb8b24eac 100644
--- a/app/services/commits/revert_service.rb
+++ b/app/services/commits/revert_service.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 module Commits
   class RevertService < ChangeService
     def create_commit!