1 files changed, 8 insertions, 0 deletions
diff --git a/railties/lib/rails/configuration.rb b/railties/lib/rails/configuration.rb
index f8ad17773a..0efa21d82c 100644
--- a/railties/lib/rails/configuration.rb
+++ b/railties/lib/rails/configuration.rb
@@ -9,6 +9,14 @@ module Rails
     class MiddlewareStackProxy #:nodoc:
       def initialize
         @operations = []
+        @api_only   = false
+      end
+
+      attr_reader :api_only
+      alias       :api_only? :api_only
+
+      def api_only!
+        @api_only = true
       end
 
       def insert_before(*args, &block)