Merge commit 'mainstream/master'

Conflicts:
	actionpack/lib/action_view/helpers/form_helper.rb

3 files changed, 8 insertions, 4 deletions

diff --git a/actionpack/lib/action_controller/routing/builder.rb b/actionpack/lib/action_controller/routing/builder.rb
index d9590c88b8..42ad12e1ea 100644
--- a/actionpack/lib/action_controller/routing/builder.rb
+++ b/actionpack/lib/action_controller/routing/builder.rb
@@ -1,3 +1,5 @@
+require 'active_support/core_ext/hash/except'
+
 module ActionController
   module Routing
     class RouteBuilder #:nodoc:
diff --git a/actionpack/lib/action_controller/routing/route.rb b/actionpack/lib/action_controller/routing/route.rb
index e2077edad8..eba05a3c5a 100644
--- a/actionpack/lib/action_controller/routing/route.rb
+++ b/actionpack/lib/action_controller/routing/route.rb
@@ -1,3 +1,5 @@
+require 'active_support/core_ext/object/misc'
+
 module ActionController
   module Routing
     class Route #:nodoc:
@@ -65,7 +67,7 @@ module ActionController
       #   map.connect '/page/:id', :controller => 'pages', :action => 'show', :id => /\d+/
       #
       def parameter_shell
-        @parameter_shell ||= returning({}) do |shell|
+        @parameter_shell ||= {}.tap do |shell|
           requirements.each do |key, requirement|
             shell[key] = requirement unless requirement.is_a? Regexp
           end
@@ -76,7 +78,7 @@ module ActionController
       # includes keys that appear inside the path, and keys that have requirements
       # placed upon them.
       def significant_keys
-        @significant_keys ||= returning([]) do |sk|
+        @significant_keys ||= [].tap do |sk|
           segments.each { |segment| sk << segment.key if segment.respond_to? :key }
           sk.concat requirements.keys
           sk.uniq!
@@ -86,7 +88,7 @@ module ActionController
       # Return a hash of key/value pairs representing the keys in the route that
       # have defaults, or which are specified by non-regexp requirements.
       def defaults
-        @defaults ||= returning({}) do |hash|
+        @defaults ||= {}.tap do |hash|
           segments.each do |segment|
             next unless segment.respond_to? :default
             hash[segment.key] = segment.default unless segment.default.nil?
diff --git a/actionpack/lib/action_controller/routing/route_set.rb b/actionpack/lib/action_controller/routing/route_set.rb
index e2ecc77eb1..fb344f6c6b 100644
--- a/actionpack/lib/action_controller/routing/route_set.rb
+++ b/actionpack/lib/action_controller/routing/route_set.rb
@@ -430,7 +430,7 @@ module ActionController
       def call(env)
         request = ActionDispatch::Request.new(env)
         app = Routing::Routes.recognize(request)
-        app.call(env).to_a
+        app.action(request.parameters[:action] || 'index').call(env)
       end
 
       def recognize(request)