fog/fog — pull request #680 by larspind (2011-12-29 15:50:26+00:00)
Title: Change to only do a 'head' on the file that we've copied directly in S3

I operate on files of several gigabytes in size, and it's not good if my server tries to load all that stuff into RAM, so a 'head' is much better then a 'get'.