Allow loading external route files from the router

This feature enables the ability to load an
external routes file from the router via:
  draw :filename

External routes files go in +config/routes+. This
feature works in both engines and applications.

1 files changed, 2 insertions, 0 deletions

diff --git a/actionpack/lib/action_dispatch/routing/route_set.rb b/actionpack/lib/action_dispatch/routing/route_set.rb
index f1aa131cbb..7a7810a95c 100644
--- a/actionpack/lib/action_dispatch/routing/route_set.rb
+++ b/actionpack/lib/action_dispatch/routing/route_set.rb
@@ -255,6 +255,7 @@ module ActionDispatch
       attr_accessor :formatter, :set, :named_routes, :default_scope, :router
       attr_accessor :disable_clear_and_finalize, :resources_path_names
       attr_accessor :default_url_options, :request_class, :valid_conditions
+      attr_accessor :draw_paths
 
       alias :routes :set
 
@@ -266,6 +267,7 @@ module ActionDispatch
         self.named_routes = NamedRouteCollection.new
         self.resources_path_names = self.class.default_resources_path_names.dup
         self.default_url_options = {}
+        self.draw_paths = []
 
         self.request_class = request_class
         @valid_conditions = {}