Add internal middleware stack to Dispatcher

  config.middleware.use Rack::Cache

2 files changed, 12 insertions, 0 deletions

diff --git a/railties/lib/initializer.rb b/railties/lib/initializer.rb
index a134c68a50..4bb1e480b7 100644
--- a/railties/lib/initializer.rb
+++ b/railties/lib/initializer.rb
@@ -881,6 +881,11 @@ Run `rake gems:install` to install the missing gems.
       end
     end
 
+    def middleware
+      require 'action_controller'
+      ActionController::Dispatcher.middleware
+    end
+
     def builtin_directories
       # Include builtins only in the development environment.
       (environment == 'development') ? Dir["#{RAILTIES_PATH}/builtin/*/"] : []
diff --git a/railties/lib/tasks/middleware.rake b/railties/lib/tasks/middleware.rake
new file mode 100644
index 0000000000..e0dcf50307
--- /dev/null
+++ b/railties/lib/tasks/middleware.rake
@@ -0,0 +1,7 @@
+desc 'Prints out your Rack middleware stack'
+task :middleware => :environment do
+  ActionController::Dispatcher.middleware.each do |middleware|
+    puts "use #{middleware.inspect}"
+  end
+  puts "run ActionController::Dispatcher.new"
+end