Mercurial > hg-stable
annotate mercurial/rewriteutil.py @ 37708:8e8541610d85
scmutil: make shortesthexnodeidprefix() use unfiltered repo
Both callers were doing this, and resolvehexnodeidprefix() was also
working on the unfiltered repo, so it makes more sense to have it all
in one place.
Differential Revision: https://phab.mercurial-scm.org/D3313
author | Martin von Zweigbergk <martinvonz@google.com> |
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date | Fri, 13 Apr 2018 10:36:03 -0700 |
parents | 490df753894d |
children | 8c6329fa6038 |
rev | line source |
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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 publicrevs = repo.revs('%ld and public()', revs) |
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31 if len(repo[None].parents()) > 1: |
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32 raise error.Abort(_("cannot %s while merging") % action) |
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33 |
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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) |