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view mercurial/node.py @ 24763:a698e088ad29

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tags: explicitly log which tags cache file is being written We now have multiple tags cache files. Record exactly which file is being written. This should help aid debugging into performance issues with any single filter.
author Gregory Szorc <gregory.szorc@gmail.com>
date Thu, 16 Apr 2015 11:59:36 -0400
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])