support old request.path api

features/current_page_request_path_backwards.feature

@@ -0,0 +1,6 @@
+Feature: Support old request.path object used by many extensions
+  
+  Scenario: Viewing the root path
+    Given the Server is running at "test-app"
+    When I go to "/request-path.html"
+    Then I should see "true"

fixtures/test-app/config.rb

@@ -21,6 +21,7 @@ with_layout :content_for do
 end
 
 with_layout false do
+  page "/request-path.html"
   page "/lorem.html"
   page "/markdown.html"
   page "/relative_image.html"

fixtures/test-app/source/request-path.html.erb

@@ -0,0 +1 @@
+<%= current_path == request.path %>

lib/middleman/base.rb

@@ -235,14 +235,24 @@ class Middleman::Base
   Middleman::Extensions.register(:sitemap_tree) { 
     Middleman::Extensions::SitemapTree }
   
+  # Backwards-compatibility with old request.path signature
+  attr :request
+  
   # Accessor for current path
   # @return [String]
-  attr :current_path
+  def current_path
+    @_current_path
+  end
+  
+  def current_path=(path)
+    @_current_path = path
+    @request = Thor::CoreExt::HashWithIndifferentAccess.new({ :path => path })
+  end
   
   # Initialize the Middleman project
   def initialize(&block)
     # Current path defaults to nil, used in views.
-    @current_path = nil
+    self.current_path = nil
     
     # Clear the static class cache
     cache.clear
@@ -357,7 +367,7 @@ class Middleman::Base
     return send_file(sitemap_page.source_file) unless sitemap_page.template?
     
     # Set the current path for use in helpers
-    @current_path = @request_path.dup
+    self.current_path = @request_path.dup
       
     # Set a HTTP content type based on the request's extensions
     content_type sitemap_page.mime_type