Mercurial > hg
annotate hgext/hooklib/reject_new_heads.py @ 47296:d1589957fdcb
updatecaches: introduce a set of constants to control which are updated
Passing around a set of constant to select what need warming will be cleaner
and more flexible. We did not changed the API yet, as this changes is already
large enough. In the rest of the rest we will change more code to actually use
this constants (or more realistically pre-defined set of constant directly)
Differential Revision: https://phab.mercurial-scm.org/D10727
author | Pierre-Yves David <pierre-yves.david@octobus.net> |
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date | Mon, 17 May 2021 14:41:09 +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_new_heads is a hook to check that branches touched by new changesets |
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7 have at most one open head. It can be used to enforce policies for |
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8 merge-before-push or rebase-before-push. It does not handle pre-existing |
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9 hydras. |
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10 |
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11 Usage: |
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12 [hooks] |
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13 pretxnclose.reject_new_heads = \ |
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14 python:hgext.hooklib.reject_new_heads.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"pretxnclose": |
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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 ctx = repo.unfiltered()[node] |
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32 branches = set() |
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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 branches.add(rev.branch()) |
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36 for branch in branches: |
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37 if len(repo.revs("head() and not closed() and branch(%s)", branch)) > 1: |
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38 raise error.Abort( |
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39 _(b'Changes on branch %r resulted in multiple heads') |
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40 % pycompat.bytestr(branch) |
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41 ) |