Merge branch 'master' of github.com:rails/rails

4 files changed, 17 insertions, 8 deletions

diff --git a/actionpack/lib/action_dispatch/middleware/callbacks.rb b/actionpack/lib/action_dispatch/middleware/callbacks.rb
index 5776a7bb27..4d038c29f2 100644
--- a/actionpack/lib/action_dispatch/middleware/callbacks.rb
+++ b/actionpack/lib/action_dispatch/middleware/callbacks.rb
@@ -1,3 +1,5 @@
+require 'active_support/core_ext/module/delegation'
+
 module ActionDispatch
   # Provide callbacks to be executed before and after the request dispatch.
   class Callbacks
@@ -5,10 +7,8 @@ module ActionDispatch
 
     define_callbacks :call, :rescuable => true
 
-    def self.to_prepare(*args, &block)
-      ActiveSupport::Deprecation.warn "ActionDispatch::Callbacks.to_prepare is deprecated. " <<
-        "Please use ActionDispatch::Reloader.to_prepare instead."
-      ActionDispatch::Reloader.to_prepare(*args, &block)
+    class << self
+      delegate :to_prepare, :to_cleanup, :to => "ActionDispatch::Reloader"
     end
 
     def self.before(*args, &block)
diff --git a/actionpack/lib/action_dispatch/middleware/reloader.rb b/actionpack/lib/action_dispatch/middleware/reloader.rb
index 7624a1871a..f6ab368ad8 100644
--- a/actionpack/lib/action_dispatch/middleware/reloader.rb
+++ b/actionpack/lib/action_dispatch/middleware/reloader.rb
@@ -68,6 +68,9 @@ module ActionDispatch
       response = @app.call(env)
       response[2].extend(CleanupOnClose)
       response
+    rescue Exception
+      _run_cleanup_callbacks
+      raise
     end
   end
 end
diff --git a/actionpack/lib/action_view/helpers/asset_tag_helpers/javascript_tag_helpers.rb b/actionpack/lib/action_view/helpers/asset_tag_helpers/javascript_tag_helpers.rb
index 6581e1d6f2..c95808a219 100644
--- a/actionpack/lib/action_view/helpers/asset_tag_helpers/javascript_tag_helpers.rb
+++ b/actionpack/lib/action_view/helpers/asset_tag_helpers/javascript_tag_helpers.rb
@@ -59,7 +59,10 @@ module ActionView
           #     <script type="text/javascript" src="/javascripts/body.js"></script>
           #     <script type="text/javascript" src="/javascripts/tail.js"></script>
           def register_javascript_expansion(expansions)
-            JavascriptIncludeTag.expansions.merge!(expansions)
+            js_expansions = JavascriptIncludeTag.expansions
+            expansions.each do |key, values|
+              js_expansions[key] = (js_expansions[key] || []) | Array(values) if values
+            end
           end
         end
 
@@ -170,4 +173,4 @@ module ActionView
 
     end
   end
-end
\ No newline at end of file
+end
diff --git a/actionpack/lib/action_view/helpers/asset_tag_helpers/stylesheet_tag_helpers.rb b/actionpack/lib/action_view/helpers/asset_tag_helpers/stylesheet_tag_helpers.rb
index d02b28d7f6..f3e041de95 100644
--- a/actionpack/lib/action_view/helpers/asset_tag_helpers/stylesheet_tag_helpers.rb
+++ b/actionpack/lib/action_view/helpers/asset_tag_helpers/stylesheet_tag_helpers.rb
@@ -44,7 +44,10 @@ module ActionView
           #     <link href="/stylesheets/body.css"  media="screen" rel="stylesheet" type="text/css" />
           #     <link href="/stylesheets/tail.css"  media="screen" rel="stylesheet" type="text/css" />
           def register_stylesheet_expansion(expansions)
-            StylesheetIncludeTag.expansions.merge!(expansions)
+            style_expansions = StylesheetIncludeTag.expansions
+            expansions.each do |key, values|
+              style_expansions[key] = (style_expansions[key] || []) | Array(values) if values
+            end
           end
         end
 
@@ -141,4 +144,4 @@ module ActionView
 
     end
   end
-end
\ No newline at end of file
+end