thoughtbot/paperclip — pull request #1472 by jhnvz (2014-03-04 10:12:35+00:00)
Title: Return name of style in processor_options

So we know which style is being processed. We use it in our new release of Retina Rails (https://github.com/jhnvz/retina_rails/tree/2.0.0 https://github.com/jhnvz/retina_rails/pull/39).