Mercurial > hg
annotate tests/notcapable @ 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> |
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date | Wed, 29 Jan 2020 13:39:50 -0800 |
parents | 268662aac075 |
children | ff7134e03629 |
rev | line source |
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tests: add script to disable a selected wire protocol capability
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1 # Disable the $CAP wire protocol capability. |
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2 |
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3 if test -z "$CAP" |
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4 then |
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5 echo "CAP environment variable not set." |
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6 fi |
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7 |
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8 cat > notcapable-$CAP.py << EOF |
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9 from mercurial import extensions, localrepo |
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10 from mercurial.interfaces import repository |
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11 def extsetup(ui): |
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12 extensions.wrapfunction(repository.peer, 'capable', wrapcapable) |
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13 extensions.wrapfunction(localrepo.localrepository, 'peer', wrappeer) |
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14 def wrapcapable(orig, self, name, *args, **kwargs): |
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15 if name in b'$CAP'.split(b' '): |
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16 return False |
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17 return orig(self, name, *args, **kwargs) |
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18 def wrappeer(orig, self): |
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19 # Since we're disabling some newer features, we need to make sure local |
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20 # repos add in the legacy features again. |
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21 return localrepo.locallegacypeer(self) |
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22 EOF |
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23 |
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24 echo '[extensions]' >> $HGRCPATH |
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25 echo "notcapable-$CAP = `pwd`/notcapable-$CAP.py" >> $HGRCPATH |