Unified diff viewer for attached files with .patch or .diff extension (#1403).

git-svn-id: http://redmine.rubyforge.org/svn/trunk@1516 e93f8b46-1217-0410-a6f0-8f06a7374b81

app/helpers/attachments_helper.rb

@@ -22,4 +22,8 @@ module AttachmentsHelper
       render :partial => 'attachments/links', :locals => {:attachments => attachments, :options => options}
     end
   end
+  
+  def to_utf8(str)
+    str
+  end
 end

app/helpers/issues_helper.rb

@@ -91,7 +91,7 @@ module IssuesHelper
       old_value = content_tag("strike", old_value) if detail.old_value and (!detail.value or detail.value.empty?)
       if detail.property == 'attachment' && !value.blank? && Attachment.find_by_id(detail.prop_key)
         # Link to the attachment if it has not been removed
-        value = link_to(value, :controller => 'attachments', :action => 'download', :id => detail.prop_key)
+        value = link_to(value, :controller => 'attachments', :action => 'show', :id => detail.prop_key)
       else
         value = content_tag("i", h(value)) if value
       end