mercurial/node.py
author Yuya Nishihara <yuya@tcha.org>
Mon, 22 Jun 2015 22:01:33 +0900
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permissions -rw-r--r--
node: define experimental identifiers for working directory The "ff..." node was introduced at 183965a00c76, and we also need an integer that can be processed in revset. We could use len(repo), but it would be likely to hide possible bugs. Instead, using INT_MAX, we can notice such bugs by IndexError, at the cost of handling non-contiguous revisions.
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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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import binascii
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nullrev = -1
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nullid = "\0" * 20
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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 = "\xff" * 20
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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])