Merge commit 'mainstream/master'

Conflicts:

	actionpack/lib/action_view/helpers/javascript_helper.rb
	activesupport/lib/active_support/dependencies.rb
	activesupport/lib/active_support/inflector.rb
	activesupport/lib/active_support/values/time_zone.rb

1 files changed, 10 insertions, 8 deletions

diff --git a/actionpack/lib/action_controller/caching/fragments.rb b/actionpack/lib/action_controller/caching/fragments.rb
index 578e031a17..45946421fc 100644
--- a/actionpack/lib/action_controller/caching/fragments.rb
+++ b/actionpack/lib/action_controller/caching/fragments.rb
@@ -61,16 +61,18 @@ module ActionController #:nodoc:
       end
 
       def fragment_for(block, name = {}, options = nil) #:nodoc:
-        unless perform_caching then block.call; return end
-
-        buffer = yield
-
-        if cache = read_fragment(name, options)
-          buffer.concat(cache)
+        if perform_caching
+          buffer = yield
+
+          if cache = read_fragment(name, options)
+            buffer.concat(cache)
+          else
+            pos = buffer.length
+            block.call
+            write_fragment(name, buffer[pos..-1], options)
+          end
         else
-          pos = buffer.length
           block.call
-          write_fragment(name, buffer[pos..-1], options)
         end
       end