mercurial/node.py
author Siddharth Agarwal <sid0@fb.com>
Sat, 10 Jun 2017 14:07:31 -0700
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permissions -rw-r--r--
test-dirstate-race: ensure that a isn't in the lookup set at the end We're going to rely on this in upcoming patches.
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# node.py - basic nodeid manipulation for mercurial
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#
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# Copyright 2005, 2006 Matt Mackall <mpm@selenic.com>
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#
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# This software may be used and distributed according to the terms of the
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# GNU General Public License version 2 or any later version.
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from __future__ import absolute_import
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import binascii
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# This ugly style has a noticeable effect in manifest parsing
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hex = binascii.hexlify
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bin = binascii.unhexlify
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nullrev = -1
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nullid = b"\0" * 20
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nullhex = hex(nullid)
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# Phony node value to stand-in for new files in some uses of
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# manifests.
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newnodeid = '!' * 20
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addednodeid = ('0' * 15) + 'added'
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modifiednodeid = ('0' * 12) + 'modified'
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wdirnodes = {newnodeid, addednodeid, modifiednodeid}
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# pseudo identifiers for working directory
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# (they are experimental, so don't add too many dependencies on them)
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wdirrev = 0x7fffffff
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wdirid = b"\xff" * 20
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wdirhex = hex(wdirid)
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def short(node):
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    return hex(node[:6])