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view mercurial/node.py @ 23379:86c6f06feb04

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localrepo: add a currenttransaction method This method returnx the current transaction or None: it will allow a cache writer to hook in an existing transaction.
author Pierre-Yves David <pierre-yves.david@fb.com>
date Thu, 13 Nov 2014 11:12:47 +0000
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])