Mercurial > hg

view mercurial/node.py @ 18558:eb95cf4e219d

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addremove: only query dirstate once per path Previously the addremove code queried the dirstate 4 times per path. Now it only does so once. On a large repo this brings addremove from 9.5 seconds to 8.35 seconds (12%).
author Durham Goode <durham@fb.com>
date Mon, 04 Feb 2013 14:01:40 -0800
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])