rack.rb in radiantcms-couchrest_model-0.1.4

- old
+ new

@@ -1,5 +1,7 @@
+require 'sass/plugin'
+
 module Sass
   module Plugin
     # Rack middleware for compiling Sass code.
     #
     # ## Activate
@@ -27,10 +29,11 @@
       # Initialize the middleware.
       #
       # @param app [#call] The Rack application
       def initialize(app)
         @app = app
+        self.class.disable_native_plugin!
       end
 
       # Process a request, checking the Sass stylesheets for changes
       # and updating them if necessary.
       #
@@ -38,10 +41,25 @@
       # @return [(#to_i, {String => String}, Object)] The Rack response
       def call(env)
         Sass::Plugin.check_for_updates
         @app.call(env)
       end
+
+      # Disable the native Rails or Merb plugins, if they're enabled.
+      # This is automatically done once the Rack plugin is activated.
+      # This is done so that the stylesheets aren't checked twice for each request.
+      def self.disable_native_plugin!
+        if defined?(Merb::Rack) && defined?(Merb::Rack::Application) &&
+            Haml::Util.has?(:instance_method, Merb::Rack::Application, :call_without_sass)
+          Merb::Rack::Application.instance_eval {alias_method :call, :call_without_sass}
+        end
+
+        if defined?(ActionDispatch::Callbacks) && defined?(ActionDispatch::Callbacks.to_prepare)
+          ActionDispatch::Callbacks.skip_callback(:prepare, :__sass_process)
+        elsif defined?(ActionController::Base) &&
+            Haml::Util.has?(:instance_method, ActionController::Base, :sass_old_process)
+          ActionController::Base.instance_eval {alias_method :process, :sass_old_process}
+        end
+      end
     end
   end
 end
-
-require 'sass/plugin'