Mercurial > hg
annotate tests/helpers-testrepo.sh @ 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 |
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1 # In most cases, the mercurial repository can be read by the bundled hg, but |
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2 # that isn't always true because third-party extensions may change the store |
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3 # format, for example. In which case, the system hg installation is used. |
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4 # |
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5 # We want to use the hg version being tested when interacting with the test |
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6 # repository, and the system hg when interacting with the mercurial source code |
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7 # repository. |
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8 # |
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9 # The mercurial source repository was typically orignally cloned with the |
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10 # system mercurial installation, and may require extensions or settings from |
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11 # the system installation. |
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12 |
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13 if [ -n "$HGTESTEXTRAEXTENSIONS" ]; then |
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14 for extension in $HGTESTEXTRAEXTENSIONS; do |
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15 extraoptions="$extraoptions --config extensions.$extension=!" |
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16 done |
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17 fi |
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18 |
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19 syshg () { |
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20 ( |
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21 syshgenv |
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22 exec hg "$@" |
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23 ) |
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24 } |
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25 |
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26 # Revert the environment so that running "hg" runs the system hg |
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27 # rather than the test hg installation. |
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28 syshgenv () { |
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29 . "$HGTEST_RESTOREENV" |
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30 HGPLAIN=1 |
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31 export HGPLAIN |
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32 } |
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33 |
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34 # The test-repo is a live hg repository which may have evolution markers |
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35 # created, e.g. when a ~/.hgrc enabled evolution. |
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36 # |
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37 # Tests may be run using a custom HGRCPATH, which do not enable evolution |
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38 # markers by default. |
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39 # |
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40 # If test-repo includes evolution markers, and we do not enable evolution |
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41 # markers, hg will occasionally complain when it notices them, which disrupts |
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42 # tests resulting in sporadic failures. |
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43 # |
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44 # Since we aren't performing any write operations on the test-repo, there's |
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45 # no harm in telling hg that we support evolution markers, which is what the |
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46 # following lines for the hgrc file do: |
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47 cat >> "$HGRCPATH" << EOF |
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48 [experimental] |
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49 evolution = createmarkers |
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50 EOF |
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51 |
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52 # Use the system hg command if the bundled hg can't read the repository with |
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53 # no warning nor error. |
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54 if [ -n "`hg id -R "$TESTDIR/.." 2>&1 >/dev/null`" ]; then |
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55 alias testrepohg=syshg |
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56 alias testrepohgenv=syshgenv |
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57 else |
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58 alias testrepohg="hg $extraoptions" |
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59 alias testrepohgenv=: |
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60 fi |