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view mercurial/node.py @ 11271:d1aca0863a9d

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mq: prevent the creation of a queue whose name is already taken Each check is moved under the code handling the relevant option, and a new one is added for --create. This fixes duplicated entries being added to the queues list.
author Cédric Duval <cedricduval@free.fr>
date Thu, 03 Jun 2010 20:40:23 +0200
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])