Utility script for managing git repositories stored in bundles


Copyright (C) 2013 R. Andrew Ohana

Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at

    http://www.apache.org/licenses/LICENSE-2.0

Unless required by applicable law or agreed to in writing, software

# usage:
#  $ diffbundler new repo bundle-dir  # creates a new bundle that includes the commits missing from b
undle-dir (NOTE: bundle-dir must not exist!)
#  $ diffbundler update repo bundle-dir # equivalent to new
#  $ diffbundler extract bundle-dir out-dir   # extracts the bundles into a repository in out-dir
#