Source view for Revisions

app/controllers/cache_sweeping_helper.rb

@@ -32,6 +32,8 @@ module CacheSweepingHelper
           :action => 'revision', :id => page.name, :rev => revno
       expire_action :controller => 'wiki', :web => page.web.address,
           :action => 'revision', :id => page.name, :rev => revno, :mode => 'diff'
+      expire_action :controller => 'wiki', :web => page.web.address,
+          :action => 'source', :id => page.name, :rev => revno
     end
   end
 

app/controllers/wiki_controller.rb

@@ -401,7 +401,7 @@ EOL
   end
 
   def source
-    #to template
+    @revision = @page.revisions[params['rev'].to_i - 1] if params['rev']
   end
 
   def tex