Merge branch 'master' of git://github.com/lifo/docrails

* 'master' of git://github.com/lifo/docrails: (259 commits)
  Fix a small typo
  ensure authors get warnings about broken links, and ensure end users don't
  in guides generator, warn about duplicate header IDs only if WARN_DUPLICATE_HEADERS
  replace edit distance implementation with one written from scratch to avoid license issues
  removes a wrong comment in the finders guide
  updates fxn picture
  thanks but release notes are mostly frozen once they are published, and provide only an overview of the new stuff
  Added extra notes to nested model forms explanation in 2.3 release notes to cover has_one relationships
  clarifies a bit more what's the issue with check boxes and arrays of parameters
  be even more ambiguous about the order of generation of hidden input for check boxes in form helper guide
  this page referred to an :href_options keyword hash, in fact the correct keyword (the one the code responds to) is :html
  update explanation of check box generation according to f400209
  Hidden field with check box goes first.
  update rack fixture to be ruby 1.9 compat
  Better error message to try to figure out why the CI build is failing
  ruby 1.9 compat: Pathname doesn't support =~
  update rack fixture to be ruby 1.9 compat
  update metal fixtures to be ruby 1.9 compat
  Fix brittle Time.now mock
  Ensure our bundled version of rack is at the front of the load path
  ...

1 files changed, 10 insertions, 17 deletions

diff --git a/actionpack/lib/action_controller/caching/actions.rb b/actionpack/lib/action_controller/caching/actions.rb
index 34e1c3527f..87b5029e57 100644
--- a/actionpack/lib/action_controller/caching/actions.rb
+++ b/actionpack/lib/action_controller/caching/actions.rb
@@ -129,24 +129,23 @@ module ActionController #:nodoc:
         attr_reader :path, :extension
 
         class << self
-          def path_for(controller, options, infer_extension=true)
+          def path_for(controller, options, infer_extension = true)
             new(controller, options, infer_extension).path
           end
         end
         
         # When true, infer_extension will look up the cache path extension from the request's path & format.
-        # This is desirable when reading and writing the cache, but not when expiring the cache -  expire_action should expire the same files regardless of the request format.
-        def initialize(controller, options = {}, infer_extension=true)
-          if infer_extension and options.is_a? Hash
-            request_extension = extract_extension(controller.request)
-            options = options.reverse_merge(:format => request_extension)
+        # This is desirable when reading and writing the cache, but not when expiring the cache -
+        # expire_action should expire the same files regardless of the request format.
+        def initialize(controller, options = {}, infer_extension = true)
+          if infer_extension
+            extract_extension(controller.request)
+            options = options.reverse_merge(:format => @extension) if options.is_a?(Hash)
           end
+
           path = controller.url_for(options).split('://').last
           normalize!(path)
-          if infer_extension
-            @extension = request_extension
-            add_extension!(path, @extension)
-          end
+          add_extension!(path, @extension)
           @path = URI.unescape(path)
         end
 
@@ -162,13 +161,7 @@ module ActionController #:nodoc:
           def extract_extension(request)
             # Don't want just what comes after the last '.' to accommodate multi part extensions
             # such as tar.gz.
-            extension = request.path[/^[^.]+\.(.+)$/, 1]
-
-            # If there's no extension in the path, check request.format
-            if extension.nil?
-              extension = request.cache_format
-            end
-            extension
+            @extension = request.path[/^[^.]+\.(.+)$/, 1] || request.cache_format
           end
       end
     end