rumblelabs/asset_sync — pull request #207 by yabawock (2013-07-01 17:20:26+00:00)
Title: Rails 4.0 compatiblity

Rails 4.0 uses a fingerprinted manifest file in JSON format. This pull request (based on work by @rovermicro) make asset_sync work with Rails 3.x and Rails 4.0 by detecting the filetype and loading either the YAML or the latest JSON manifest file.