mercurial/node.py
author Pierre-Yves David <pierre-yves.david@octobus.net>
Thu, 01 Dec 2022 01:35:17 +0100
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path: directly use the push_variant in `hg summary` We don't need any extra processing now.
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# node.py - basic nodeid manipulation for mercurial
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#
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# Copyright 2005, 2006 Olivia Mackall <olivia@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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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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def short(node):
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    return hex(node[:6])
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nullrev = -1
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# pseudo identifier for working directory
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# (experimental, so don't add too many dependencies on it)
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wdirrev = 0x7FFFFFFF
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class sha1nodeconstants:
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    nodelen = 20
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    # In hex, this is '0000000000000000000000000000000000000000'
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    nullid = b"\0" * nodelen
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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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    # In hex, this is '2121212121212121212121212121212121212121'
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    newnodeid = b'!!!!!!!!!!!!!!!!!!!!'
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    # In hex, this is '3030303030303030303030303030306164646564'
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    addednodeid = b'000000000000000added'
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    # In hex, this is '3030303030303030303030306d6f646966696564'
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    modifiednodeid = b'000000000000modified'
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    wdirfilenodeids = {newnodeid, addednodeid, modifiednodeid}
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    # pseudo identifier for working directory
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    # (experimental, so don't add too many dependencies on it)
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    # In hex, this is 'ffffffffffffffffffffffffffffffffffffffff'
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    wdirid = b"\xff" * nodelen
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    wdirhex = hex(wdirid)
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# legacy starting point for porting modules
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nullid = sha1nodeconstants.nullid
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nullhex = sha1nodeconstants.nullhex
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newnodeid = sha1nodeconstants.newnodeid
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addednodeid = sha1nodeconstants.addednodeid
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modifiednodeid = sha1nodeconstants.modifiednodeid
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wdirfilenodeids = sha1nodeconstants.wdirfilenodeids
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wdirid = sha1nodeconstants.wdirid
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wdirhex = sha1nodeconstants.wdirhex