Reduce string duplication in compression code
This cuts down on string copies and allows buffers (instead of strings)
to be passed into the compression code
# 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