Mercurial > hg
annotate hgext/hooklib/reject_merge_commits.py @ 45613:ddcee0b0fd67
changing-files: add a utility to compute the merged files post-commit
We will need it in `_getsidedata` as soon as we start persisting that set.
Differential Revision: https://phab.mercurial-scm.org/D9089
author | Pierre-Yves David <pierre-yves.david@octobus.net> |
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date | Fri, 25 Sep 2020 11:29:19 +0200 |
parents | 4cabeea6d214 |
children | 6000f5b25c9b |
rev | line source |
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hgext: start building a library for simple hooks
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1 # Copyright 2020 Joerg Sonnenberger <joerg@bec.de> |
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2 # |
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3 # This software may be used and distributed according to the terms of the |
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4 # GNU General Public License version 2 or any later version. |
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5 |
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6 """reject_merge_commits is a hook to check new changesets for merge commits. |
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7 Merge commits are allowed only between different branches, i.e. merging |
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8 a feature branch into the main development branch. This can be used to |
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9 enforce policies for linear commit histories. |
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10 |
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11 Usage: |
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12 [hooks] |
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13 pretxnchangegroup.reject_merge_commits = \ |
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14 python:hgext.hooklib.reject_merge_commits.hook |
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15 """ |
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16 |
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17 from __future__ import absolute_import |
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18 |
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19 from mercurial.i18n import _ |
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20 from mercurial import ( |
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21 error, |
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22 pycompat, |
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23 ) |
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24 |
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25 |
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26 def hook(ui, repo, hooktype, node=None, **kwargs): |
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27 if hooktype != b"pretxnchangegroup": |
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28 raise error.Abort( |
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29 _(b'Unsupported hook type %r') % pycompat.bytestr(hooktype) |
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30 ) |
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31 |
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32 ctx = repo.unfiltered()[node] |
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33 for rev in repo.changelog.revs(start=ctx.rev()): |
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34 rev = repo[rev] |
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35 parents = rev.parents() |
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36 if len(parents) < 2: |
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37 continue |
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38 if all(repo[p].branch() == rev.branch() for p in parents): |
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39 raise error.Abort( |
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40 _( |
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41 b'%s rejected as merge on the same branch. ' |
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42 b'Please consider rebase.' |
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43 ) |
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44 % rev |
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45 ) |