Update Rails' built in routes to use RouteSet#append

railties/lib/rails/application/configuration.rb

@@ -59,7 +59,6 @@ module Rails
       def paths
         @paths ||= begin
           paths = super
-          paths.app.controllers << builtin_controller if builtin_controller
           paths.config.database     "config/database.yml"
           paths.config.environment  "config/environment.rb"
           paths.lib.templates       "lib/templates"
@@ -101,10 +100,6 @@ module Rails
         end
       end
 
-      def builtin_controller
-        File.expand_path('../info_routes', __FILE__) if Rails.env.development?
-      end
-
       def log_level
         @log_level ||= Rails.env.production? ? :info : :debug
       end

railties/lib/rails/application/finisher.rb

@@ -27,7 +27,9 @@ module Rails
 
       initializer :add_builtin_route do |app|
         if Rails.env.development?
-          app.routes_reloader.paths << File.expand_path('../../info_routes.rb', __FILE__)
+          app.routes.append do
+            match '/rails/info/properties' => "rails/info#properties"
+          end
         end
       end
 

railties/lib/rails/info_routes.rb

@@ -1,3 +0,0 @@
-Rails.application.routes.draw do
-  match '/rails/info/properties' => "rails/info#properties"
-end