mercurial/node.py
author Siddharth Agarwal <sid0@fb.com>
Sun, 10 Feb 2013 16:23:14 +0000
changeset 18649 0969980308c7
parent 10263 25e572394f5c
child 25737 1a5211f2f87f
permissions -rw-r--r--
dirstate: disable gc while parsing the dirstate This prevents a performance regression an upcoming patch would otherwise introduce because it indirectly delays parsing the dirstate a bit.

# 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])