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annotate mercurial/rewriteutil.py @ 42648:d80edcb0b30c stable

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automation: make Windows base image name configurable Since automation broke in the middle of the 5.0 release cycle, there's a good chance it will break again in the future. While a robust solution might be to search for all available images and choose the newest one, it does seem useful to be able to explicitly choose the name of the image to find and use so users can opt in to using a different image. This commit implements that functionality. Differential Revision: https://phab.mercurial-scm.org/D6673
author Gregory Szorc <gregory.szorc@gmail.com>
date Mon, 22 Jul 2019 19:06:20 -0700
parents 8c6329fa6038
children 57875cf423c9
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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1 # rewriteutil.py - utility functions for rewriting changesets
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2 #
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3 # Copyright 2017 Octobus <contact@octobus.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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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 .i18n import _
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11
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12 from . import (
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13 error,
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14 node,
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15 obsolete,
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16 revset,
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17 )
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18
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19 def precheck(repo, revs, action='rewrite'):
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20 """check if revs can be rewritten
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21 action is used to control the error message.
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22
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23 Make sure this function is called after taking the lock.
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24 """
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25 if node.nullrev in revs:
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26 msg = _("cannot %s null changeset") % (action)
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27 hint = _("no changeset checked out")
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28 raise error.Abort(msg, hint=hint)
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29
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30 if len(repo[None].parents()) > 1:
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31 raise error.Abort(_("cannot %s while merging") % action)
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32
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33 publicrevs = repo.revs('%ld and public()', revs)
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34 if publicrevs:
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35 msg = _("cannot %s public changesets") % (action)
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36 hint = _("see 'hg help phases' for details")
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37 raise error.Abort(msg, hint=hint)
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38
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39 newunstable = disallowednewunstable(repo, revs)
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40 if newunstable:
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41 raise error.Abort(_("cannot %s changeset with children") % action)
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42
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43 def disallowednewunstable(repo, revs):
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44 """Checks whether editing the revs will create new unstable changesets and
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45 are we allowed to create them.
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46
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47 To allow new unstable changesets, set the config:
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48 `experimental.evolution.allowunstable=True`
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49 """
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50 allowunstable = obsolete.isenabled(repo, obsolete.allowunstableopt)
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51 if allowunstable:
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52 return revset.baseset()
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53 return repo.revs("(%ld::) - %ld", revs, revs)