Mercurial > hg
annotate tests/test-dirstate-race2.t @ 46874:84a93fa7ecfd
revlog-compression: use zstd by default (if available)
As see in changeset bb271ec2fbfb, zstd is 20% to 50% faster for reading and
writing.
Use take advantage of the new config behavior to try zstd by default, falling
back to zlib is zstd is not available on that plateform.
Differential Revision: https://phab.mercurial-scm.org/D10326
author | Pierre-Yves David <pierre-yves.david@octobus.net> |
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date | Tue, 06 Apr 2021 18:55:19 +0200 |
parents | 87a34c767384 |
children | 93eb6c8035a9 |
rev | line source |
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42454
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tests: show how the dirstate can end up containing wrong information
Valentin Gatien-Baron <valentin.gatienbaron@gmail.com>
parents:
diff
changeset
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1 Checking the size/permissions/file-type of files stored in the |
0eb8c61c306b
tests: show how the dirstate can end up containing wrong information
Valentin Gatien-Baron <valentin.gatienbaron@gmail.com>
parents:
diff
changeset
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2 dirstate after an update where the files are changed concurrently |
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tests: show how the dirstate can end up containing wrong information
Valentin Gatien-Baron <valentin.gatienbaron@gmail.com>
parents:
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3 outside of hg's control. |
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tests: show how the dirstate can end up containing wrong information
Valentin Gatien-Baron <valentin.gatienbaron@gmail.com>
parents:
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4 |
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Valentin Gatien-Baron <valentin.gatienbaron@gmail.com>
parents:
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5 $ hg init repo |
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Valentin Gatien-Baron <valentin.gatienbaron@gmail.com>
parents:
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6 $ cd repo |
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Valentin Gatien-Baron <valentin.gatienbaron@gmail.com>
parents:
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7 $ echo a > a |
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Valentin Gatien-Baron <valentin.gatienbaron@gmail.com>
parents:
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8 $ hg commit -qAm _ |
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Valentin Gatien-Baron <valentin.gatienbaron@gmail.com>
parents:
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9 $ echo aa > a |
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Valentin Gatien-Baron <valentin.gatienbaron@gmail.com>
parents:
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10 $ hg commit -m _ |
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Valentin Gatien-Baron <valentin.gatienbaron@gmail.com>
parents:
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11 |
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Valentin Gatien-Baron <valentin.gatienbaron@gmail.com>
parents:
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12 $ hg debugdirstate --no-dates |
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Valentin Gatien-Baron <valentin.gatienbaron@gmail.com>
parents:
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13 n 644 3 (set |unset) a (re) |
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Valentin Gatien-Baron <valentin.gatienbaron@gmail.com>
parents:
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14 |
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parents:
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15 $ cat >> $TESTTMP/dirstaterace.py << EOF |
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Valentin Gatien-Baron <valentin.gatienbaron@gmail.com>
parents:
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16 > from mercurial import ( |
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parents:
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17 > extensions, |
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18 > merge, |
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Valentin Gatien-Baron <valentin.gatienbaron@gmail.com>
parents:
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19 > ) |
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Valentin Gatien-Baron <valentin.gatienbaron@gmail.com>
parents:
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20 > def extsetup(ui): |
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Valentin Gatien-Baron <valentin.gatienbaron@gmail.com>
parents:
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21 > extensions.wrapfunction(merge, 'applyupdates', wrap) |
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parents:
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22 > def wrap(orig, *args, **kwargs): |
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Valentin Gatien-Baron <valentin.gatienbaron@gmail.com>
parents:
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23 > res = orig(*args, **kwargs) |
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Valentin Gatien-Baron <valentin.gatienbaron@gmail.com>
parents:
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24 > with open("a", "w"): |
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Valentin Gatien-Baron <valentin.gatienbaron@gmail.com>
parents:
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25 > pass # just truncate the file |
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Valentin Gatien-Baron <valentin.gatienbaron@gmail.com>
parents:
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26 > return res |
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Valentin Gatien-Baron <valentin.gatienbaron@gmail.com>
parents:
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27 > EOF |
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parents:
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28 |
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Valentin Gatien-Baron <valentin.gatienbaron@gmail.com>
parents:
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29 Do an update where file 'a' is changed between hg writing it to disk |
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merge: fix race that could cause wrong size in dirstate
Valentin Gatien-Baron <valentin.gatienbaron@gmail.com>
parents:
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30 and hg writing the dirstate. The dirstate is correct nonetheless, and |
87a34c767384
merge: fix race that could cause wrong size in dirstate
Valentin Gatien-Baron <valentin.gatienbaron@gmail.com>
parents:
42454
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31 so hg status correctly shows a as clean. |
42454
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Valentin Gatien-Baron <valentin.gatienbaron@gmail.com>
parents:
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32 |
0eb8c61c306b
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Valentin Gatien-Baron <valentin.gatienbaron@gmail.com>
parents:
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33 $ hg up -r 0 --config extensions.race=$TESTTMP/dirstaterace.py |
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Valentin Gatien-Baron <valentin.gatienbaron@gmail.com>
parents:
diff
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34 1 files updated, 0 files merged, 0 files removed, 0 files unresolved |
0eb8c61c306b
tests: show how the dirstate can end up containing wrong information
Valentin Gatien-Baron <valentin.gatienbaron@gmail.com>
parents:
diff
changeset
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35 $ hg debugdirstate --no-dates |
42456
87a34c767384
merge: fix race that could cause wrong size in dirstate
Valentin Gatien-Baron <valentin.gatienbaron@gmail.com>
parents:
42454
diff
changeset
|
36 n 644 2 (set |unset) a (re) |
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Valentin Gatien-Baron <valentin.gatienbaron@gmail.com>
parents:
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37 $ echo a > a; hg status; hg diff |