mercurial/node.py
author Alexis S. L. Carvalho <alexis@cecm.usp.br>
Sat, 10 Mar 2007 23:01:00 -0300
changeset 4193 9e3121017fb2
parent 3578 3b4e00cba57a
child 3886 abaee83ce0a6
permissions -rw-r--r--
Optimize return value of util._matcher for common command line case This will trigger every time somebody runs something like "hg diff" or "hg status" without any arguments. The important part here is returning util.always as the match function, which is a much simpler (and faster) function than the usual return value, and allows other code to just skip the filtering if it knows all files will match.

"""
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, incorporated herein by reference.
"""

from demandload import demandload
demandload(globals(), "binascii")

nullrev = -1
nullid = "\0" * 20

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

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

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