view mercurial/node.py @ 17434:038f4f0439d7

test: remove invalid hidden rev in graphlog test The hidden set of revision can not have descendant outside this set. The extension is patched to raise and exception when this happen.
author Pierre-Yves David <pierre-yves.david@logilab.fr>
date Thu, 30 Aug 2012 22:13:24 +0200
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])