annotate mercurial/repo.py @ 6858:8f256bf98219

Add support for multiple possible bisect results (issue1228, issue1182) The real reason for both issue is that bisect can not handle cases where there are multiple possibilities for the result. Example (from issue1228): rev 0 -> good rev 1 -> skipped rev 2 -> skipped rev 3 -> skipped rev 4 -> bad Note that this patch does not only fix the reported Assertion Error but also the problem of a non converging bisect: hg init for i in `seq 3`; do echo $i > $i; hg add $i; hg ci -m$i; done hg bisect -b 2 hg bisect -g 0 hg bisect -s From this state on, you can: a) mark as bad forever (non converging!) b) mark as good to get an inconsistent state c) skip for the Assertion Error Minor description and code edits by pmezard.
author Bernhard Leiner <bleiner@gmail.com>
date Sat, 02 Aug 2008 22:10:10 +0200
parents 08800489257e
children cfeeac24fc1e
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1 # repo.py - repository base classes for mercurial
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2 #
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3 # Copyright 2005, 2006 Matt Mackall <mpm@selenic.com>
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4 # Copyright 2006 Vadim Gelfer <vadim.gelfer@gmail.com>
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5 #
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6 # This software may be used and distributed according to the terms
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7 # of the GNU General Public License, incorporated herein by reference.
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8
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9 from i18n import _
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10
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11 class RepoError(Exception):
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12 pass
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13
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14 class NoCapability(RepoError):
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15 pass
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16
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17 class repository(object):
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18 def capable(self, name):
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19 '''tell whether repo supports named capability.
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20 return False if not supported.
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21 if boolean capability, return True.
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22 if string capability, return string.'''
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23 if name in self.capabilities:
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24 return True
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25 name_eq = name + '='
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26 for cap in self.capabilities:
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27 if cap.startswith(name_eq):
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28 return cap[len(name_eq):]
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29 return False
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30
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31 def requirecap(self, name, purpose):
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32 '''raise an exception if the given capability is not present'''
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33 if not self.capable(name):
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34 raise NoCapability(_('cannot %s; remote repository does not '
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35 'support the %r capability') %
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36 (purpose, name))
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38 def local(self):
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39 return False
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41 def cancopy(self):
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42 return self.local()