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view mercurial/node.py @ 25819:be29d26e2949

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revset: parse nullary ":" operator as "0:tip" This is necessary for compatibility with the old-style parser that will be removed by future patches.
author Yuya Nishihara <yuya@tcha.org>
date Sun, 05 Jul 2015 12:15:54 +0900
parents 1a5211f2f87f
children 738314da6c75
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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

# pseudo identifiers for working directory
# (they are experimental, so don't add too many dependencies on them)
wdirrev = 0x7fffffff
wdirid = "\xff" * 20

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

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