annotate tests/fakepatchtime.py @ 44261:04a3ae7aba14

chg: force-set LC_CTYPE on server start to actual value from the environment Python 3.7+ will "coerce" the LC_CTYPE variable in many instances, and this can cause issues with chg being able to start up. D7550 attempted to fix this, but a combination of a misreading of the way that python3.7 does the coercion and an untested state (LC_CTYPE being set to an invalid value) meant that this was still not quite working. This change will cause differences between chg and hg: hg will have the LC_CTYPE environment variable coerced, while chg will not. This is unlikely to cause any detectable behavior differences in what Mercurial itself outputs, but it does have two known effects: - When using hg, the coerced LC_CTYPE will be passed to subprocesses, even non-python ones. Using chg will remove the coercion, and this will not happen. This is arguably more correct behavior on chg's part. - On macOS, if you set your region to Brazil but your language to English, this isn't representable in locale strings, so macOS sets LC_CTYPE=UTF-8. If this value is passed along when ssh'ing to a non-macOS machine, some functions (such as locale.setlocale()) may raise an exception due to an unsupported locale setting. This is most easily encountered when doing an interactive commit/split/etc. when using ui.interface=curses. Differential Revision: https://phab.mercurial-scm.org/D8039
author Kyle Lippincott <spectral@google.com>
date Wed, 29 Jan 2020 13:39:50 -0800
parents 2372284d9457
children 89a2afe31e82
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1 # extension to emulate invoking 'patch.internalpatch()' at the time
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2 # specified by '[fakepatchtime] fakenow'
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3
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4 from __future__ import absolute_import
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5
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6 from mercurial import (
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7 extensions,
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8 patch as patchmod,
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9 registrar,
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10 )
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11 from mercurial.utils import dateutil
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12
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13 configtable = {}
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14 configitem = registrar.configitem(configtable)
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15
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16 configitem(
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17 b'fakepatchtime', b'fakenow', default=None,
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18 )
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20
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21 def internalpatch(
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22 orig,
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23 ui,
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24 repo,
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25 patchobj,
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26 strip,
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27 prefix=b'',
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28 files=None,
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29 eolmode=b'strict',
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30 similarity=0,
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31 ):
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32 if files is None:
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33 files = set()
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34 r = orig(
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35 ui,
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36 repo,
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37 patchobj,
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38 strip,
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39 prefix=prefix,
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40 files=files,
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41 eolmode=eolmode,
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42 similarity=similarity,
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43 )
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44
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45 fakenow = ui.config(b'fakepatchtime', b'fakenow')
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46 if fakenow:
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47 # parsing 'fakenow' in YYYYmmddHHMM format makes comparison between
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48 # 'fakenow' value and 'touch -t YYYYmmddHHMM' argument easy
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49 fakenow = dateutil.parsedate(fakenow, [b'%Y%m%d%H%M'])[0]
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50 for f in files:
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51 repo.wvfs.utime(f, (fakenow, fakenow))
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52
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53 return r
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54
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56 def extsetup(ui):
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57 extensions.wrapfunction(patchmod, 'internalpatch', internalpatch)