Mercurial > hg

annotate mercurial/node.py @ 29010:e868d8ee7c8f stable

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bdiff: unify duplicate normalize loops We're about to make the while loop check more complicated, so let's simplify first.
author Matt Mackall <mpm@selenic.com>
date Thu, 21 Apr 2016 21:37:13 -0500
parents a3f3fdac8433
children 0298a07f64d9
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Martin Geisler <mg@lazybytes.net>
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1 # node.py - basic nodeid manipulation for mercurial
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2 #
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Martin Geisler <mg@lazybytes.net>
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3 # Copyright 2005, 2006 Matt Mackall <mpm@selenic.com>
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Martin Geisler <mg@lazybytes.net>
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4 #
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5 # This software may be used and distributed according to the terms of the
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Matt Mackall <mpm@selenic.com>
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6 # GNU General Public License version 2 or any later version.
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7
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8 from __future__ import absolute_import
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9
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10 import binascii
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11
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12 # This ugly style has a noticeable effect in manifest parsing
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13 hex = binascii.hexlify
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14 bin = binascii.unhexlify
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15
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16 nullrev = -1
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17 nullid = b"\0" * 20
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18 nullhex = hex(nullid)
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19
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20 # pseudo identifiers for working directory
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21 # (they are experimental, so don't add too many dependencies on them)
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22 wdirrev = 0x7fffffff
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23 wdirid = b"\xff" * 20
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24
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25 def short(node):
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26 return hex(node[:6])