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view mercurial/node.py @ 25844:18541e9510c5

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merge: make merge.preferancestor type and default consistent (and mark it)
author Matt Mackall <mpm@selenic.com>
date Thu, 25 Jun 2015 17:54:55 -0500
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])