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view mercurial/node.py @ 18114:35ce17796e0e

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branchmap: merge _branchtags into updatebranchcache Now that nobody overwrite it, there is no reasons for `_branchtags` to remains separated from `updatebranchcache`.
author Pierre-Yves David <pierre-yves.david@logilab.fr>
date Thu, 20 Dec 2012 13:23:29 +0100
parents 25e572394f5c
children 1a5211f2f87f
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# node.py - basic nodeid manipulation for mercurial
#
# Copyright 2005, 2006 Matt Mackall <mpm@selenic.com>
#
# This software may be used and distributed according to the terms of the
# GNU General Public License version 2 or any later version.

import binascii

nullrev = -1
nullid = "\0" * 20

# This ugly style has a noticeable effect in manifest parsing
hex = binascii.hexlify
bin = binascii.unhexlify

def short(node):
    return hex(node[:6])