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annotate mercurial/stack.py @ 41200:cecf3f8bccd3

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revlog: always process opener options I'm not sure when ``opener.options`` would ever be explicitly set to None. It is definitely not possible to construct a repo this way because ``localrepo.resolvestorevfsoptions()`` always returns a dict and ``localrepo.makelocalrepository()`` always sets ``opener.options`` to this value. Because we always execute this code now, if options are empty we defaulted to creating version 0 revlogs. So we had to change the code slightly to fall back to the default revlog version and flags. As astute reader will note that it is not possible to create version 0 revlogs now. However, I don't think it was possible before, as this required ``opener.options`` being unset, which I don't think was possible. I suspect this means our test coverage for version 0 revlog repositories is possibly non-existent! Since I don't see a config option to disable revlog v1, I'm not even sure if we had a way to create new repos with version 0 revlogs! Who knows. Differential Revision: https://phab.mercurial-scm.org/D5559
author Gregory Szorc <gregory.szorc@gmail.com>
date Wed, 09 Jan 2019 19:06:15 -0800
parents 68fcc5503ec5
children 77c52ce50e6a
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1 # stack.py - Mercurial functions for stack definition
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2 #
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3 # Copyright Matt Mackall <mpm@selenic.com> and other
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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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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 from . import (
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11 revsetlang,
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12 scmutil,
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13 )
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14
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15 def getstack(repo, rev=None):
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16 """return a sorted smartrev of the stack containing either rev if it is
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17 not None or the current working directory parent.
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18
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19 The stack will always contain all drafts changesets which are ancestors to
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20 the revision and are not merges.
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21 """
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22 if rev is None:
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23 rev = '.'
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24
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25 revspec = 'reverse(only(%s) and not public() and not ::merge())'
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26 revset = revsetlang.formatspec(revspec, rev)
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27 revisions = scmutil.revrange(repo, [revset])
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28 revisions.sort()
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29 return revisions