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-rw-r--r--railties/lib/rails/engine/commands.rb2
1 files changed, 2 insertions, 0 deletions
diff --git a/railties/lib/rails/engine/commands.rb b/railties/lib/rails/engine/commands.rb
index 5267b23d6c..3854907507 100644
--- a/railties/lib/rails/engine/commands.rb
+++ b/railties/lib/rails/engine/commands.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
unless defined?(APP_PATH)
if File.exist?(File.expand_path("test/dummy/config/application.rb", ENGINE_ROOT))
APP_PATH = File.expand_path("test/dummy/config/application", ENGINE_ROOT)