rails/rails — pull request #8681 by jejacks0n (2013-01-01 23:38:02+00:00)
Title: Ensures that asset array is always flattened before calling uniq.

Simple fix for an issue where in assets could be required/loaded more than once using sprockets.

The problem is exhibited here:
https://github.com/jejacks0n/duplicate_assets

(totally borked the first pull request)