config/initializers/assert_tag_helper.rb

   1 module ActionView
   2   module Helpers
   3     module AssetTagHelper
   4       def rewrite_asset_path!(source)
   5         asset_id = rails_asset_id(source)
   6         source << "/#{asset_id}" if !asset_id.blank?
   7       end
   8     end
   9   end
  10 end