fog/fog — pull request #1836 by karlfreeman (2013-05-27 15:09:12+00:00)
Title: Chdir in a block to dry up all method

Whilst testing out Fog withe the `:local` I kept having a problem with FakeFS. This change fixes compatibility with it but more importantly the exception raised when multiple threads access the same block is most likely the desired behaviour. Thoughts?