new type of repo: bundle://path/to/repo+/path/to/bundlename
You can use it to pull only some changeset from an uncompressed
bundle.
# repo.py - repository base classes for mercurial
#
# Copyright 2005 Matt Mackall <mpm@selenic.com>
#
# This software may be used and distributed according to the terms
# of the GNU General Public License, incorporated herein by reference.
class RepoError(Exception): pass