(tried #rails-contrib twice, hopefully someone here will have a look at it)
This is a patch for a potentially nasty bug that only occurs when deploying to production/staging.
The short of it is that a missing asset file, can cause the creating of the asset cache file to bomb without warning, thus creating 0 byte js/css cache files in production.
The long of it is here:
https://rails.lighthouseapp.com/projects/8994/tickets/2738
+1 and/or comments are .welcome
-christos