Monkeypatching a Gem

fog.rb

# utilities > carrierwave > storage > fog.rb
# utilities is in my autoload path
# after this, carrierwave ceased to work. I commented out the method, still nothing.
# it appears that the class completely clobbers the existing class....

module CarrierWave
  module Storage
    class Fog < Abstract

      class File
        def rename_file(name)
          connection.copy(bucket, @path, bucket, @path, directive=:replace, "content-disposition" => "attachment; filename = #{name}")
        end

      end

    end # Fog

  end # Storage
end # CarrierWave