y8/paperclip-meta — pull request #20 by kshsieh (2013-04-26 22:13:37+00:00)
Title: retaining metadata when reprocessing with specific styles

when reprocessing with paperclip using a specific style as a parameter, the metadata for all other styles except original and the specified style(s) is/are lost. this pull request decodes the old metadata and iterates through all styles and makes sure that the metadata on all other styles is retained.