view mercurial/node.py @ 19474:894fd1a7c533 stable

cmdutil: core functionality to block during multistep commands (issue3955) This adds a registration point and check functions that will allow commands to check if multistep operations like an interrupted graft or rebase are in progress before proceeding.
author Matt Mackall <mpm@selenic.com>
date Wed, 24 Jul 2013 23:27:30 -0500
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])