Refactored routes reloading to use RouteSet#append instead keeping block in Engine

Signed-off-by: NJosé Valim <jose.valim@gmail.com>

railties/lib/rails/application/routes_reloader.rb

 module Rails
   class Application
     class RoutesReloader < ::ActiveSupport::FileUpdateChecker
+      attr_reader :route_sets
+
       def initialize
         super([]) { reload! }
-      end
-
-      def blocks
-        @blocks ||= {}
+        @route_sets = []
       end
 
       def reload!
         clear!
-        load_blocks
         load_paths
         finalize!
       ensure
@@ -21,37 +19,27 @@ def reload!
     protected
 
       def clear!
-        routers.each do |routes|
+        route_sets.each do |routes|
           routes.disable_clear_and_finalize = true
           routes.clear!
         end
       end
 
-      def load_blocks
-        blocks.each do |routes, block|
-          routes.draw(&block) if block
-        end
-      end
-
       def load_paths
         paths.each { |path| load(path) }
       end
 
       def finalize!
-        routers.each do |routes|
+        route_sets.each do |routes|
           ActiveSupport.on_load(:action_controller) { routes.finalize! }
         end
       end
 
       def revert
-        routers.each do |routes|
+        route_sets.each do |routes|
           routes.disable_clear_and_finalize = false
         end
       end
-
-      def routers
-        blocks.keys
-      end
     end
   end
 end

railties/lib/rails/engine.rb

@@ -419,9 +419,9 @@ def env_config
       }
     end
 
-    def routes(&block)
+    def routes
       @routes ||= ActionDispatch::Routing::RouteSet.new
-      self.routes_draw_block = block if block_given?
+      @routes.append(&Proc.new) if block_given?
       @routes
     end
 
@@ -472,8 +472,8 @@ def load_seed
       paths = self.paths["config/routes"].existent
 
       if routes? || paths.any?
-        app.routes_reloader.blocks[routes] = routes_draw_block
         app.routes_reloader.paths.unshift(*paths)
+        app.routes_reloader.route_sets << routes
       end
     end
 
@@ -523,8 +523,6 @@ def load_seed
     end
 
   protected
-    attr_accessor :routes_draw_block
-
     def routes?
       defined?(@routes)
     end