view mercurial/node.py @ 1257:fe7fbfdb066d

Clamp negative rev numbers at zero. Prior to this change, trying to run "hg log -r -50:" in a repo with less than 50 changes caused an error. Now that we clamp at zero: no more error.
author Bryan O'Sullivan <bos@serpentine.com>
date Thu, 15 Sep 2005 00:04:29 -0700
parents d62130f99a73
children bf4e7ef08741
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"""
node.py - basic nodeid manipulation for mercurial

Copyright 2005 Matt Mackall <mpm@selenic.com>

This software may be used and distributed according to the terms
of the GNU General Public License, incorporated herein by reference.
"""

import sha, binascii

nullid = "\0" * 20

def hex(node):
    return binascii.hexlify(node)

def bin(node):
    return binascii.unhexlify(node)

def short(node):
    return hex(node[:6])