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view mercurial/node.py @ 20791:8dd867bd67e1

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backout: improve confusing 'cannot backout change on a different branch' abort These days 'branch' usually refer to a named branch. Instead, abort with 'cannot backout change that not is an ancestor'.
author Mads Kiilerich <madski@unity3d.com>
date Mon, 24 Feb 2014 22:42:14 +0100
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])