1 files changed, 32 insertions, 0 deletions
diff --git a/actionpack/lib/action_controller/railties/paths.rb b/actionpack/lib/action_controller/railties/paths.rb
new file mode 100644
index 0000000000..dce3c2fe88
--- /dev/null
+++ b/actionpack/lib/action_controller/railties/paths.rb
@@ -0,0 +1,32 @@
+module ActionController
+  module Railties
+    module Paths
+      def self.with(app)
+        Module.new do
+          define_method(:inherited) do |klass|
+            super(klass)
+
+            if namespace = klass.parents.detect {|m| m.respond_to?(:_railtie) }
+              paths = namespace._railtie.paths["app/helpers"].existent
+            else
+              paths = app.config.helpers_paths
+            end
+
+            klass.helpers_path = paths
+            if klass.superclass == ActionController::Base && ActionController::Base.include_all_helpers
+              klass.helper :all
+            end
+
+            if app.config.serve_static_assets && namespace
+              paths = namespace._railtie.config.paths
+
+              klass.config.assets_dir      = paths["public"].first
+              klass.config.javascripts_dir = paths["public/javascripts"].first
+              klass.config.stylesheets_dir = paths["public/stylesheets"].first
+            end
+          end
+        end
+      end
+    end
+  end
+end