Mercurial > hg
annotate mercurial/rewriteutil.py @ 42437:9609430d3625
rust-filepatterns: use bytes instead of String
In my initial patch, I introduced an unnecessary hard constraint on UTF-8
filenames and patterns which I forgot to remove. Although the performance
penalty for using String might be negligible, we don't want to break
compatibility with non-UTF-8 encodings for no reason.
Moreover, this change allows for a cleaner Rust core API.
This patch introduces a new utils module that is used with this fix.
Finally, PatternError was not put inside the Python module generated by
Rust, which would have raised a NameError.
Differential Revision: https://phab.mercurial-scm.org/D6485
author | Raphaël Gomès <rgomes@octobus.net> |
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date | Thu, 06 Jun 2019 15:30:56 +0200 |
parents | 8c6329fa6038 |
children | 57875cf423c9 |
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 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) |