puppetlabs/puppet — pull request #2881 by keymone (2014-07-17 14:38:31+00:00)
Title: Revert compare_stream to stdlib 1.9.3 implementation

I've stumbled over "Could not backup ... Got passed new contents for sum" errors are after some investigations it turned out the problem is new implementation of FileUtils.compare_stream

Please check https://tickets.puppetlabs.com/browse/PUP-2946 for more details.