Mercurial > hg
annotate tests/test-fix-pickle.t @ 47349:7138c863d0a1
dirstate-v2: Skip readdir in status based on directory mtime
When calling `read_dir` during `status` and the directory is found to be
eligible for caching (see code comments), write the directory’s mtime to the
dirstate. The presence of a directory mtime in the dirstate is meaningful
and indicates eligibility.
When an eligible directory mtime is found in the dirstate and `stat()` shows
that the mtime has not changed, `status` can skip calling `read_dir` again
and instead rely on the names of child nodes in the dirstate tree.
The `tempfile` crate is used to create a temporary file in order to use its
modification time as "current time" with the same truncation as other files
and directories would have in their own modification time.
Differential Revision: https://phab.mercurial-scm.org/D10826
author | Simon Sapin <simon.sapin@octobus.net> |
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date | Fri, 28 May 2021 11:48:59 +0200 |
parents | 7d24201b6447 |
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rev | line source |
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1 A script that implements uppercasing all letters in a file. |
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2 |
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3 $ UPPERCASEPY="$TESTTMP/uppercase.py" |
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4 $ cat > $UPPERCASEPY <<EOF |
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5 > import sys |
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6 > from mercurial.utils.procutil import setbinary |
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7 > setbinary(sys.stdin) |
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8 > setbinary(sys.stdout) |
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9 > sys.stdout.write(sys.stdin.read().upper()) |
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10 > EOF |
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11 $ TESTLINES="foo\nbar\nbaz\n" |
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12 $ printf $TESTLINES | "$PYTHON" $UPPERCASEPY |
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13 FOO |
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14 BAR |
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15 BAZ |
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16 |
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17 This file attempts to test our workarounds for pickle's lack of |
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18 support for short reads. |
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19 |
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20 $ cat >> $HGRCPATH <<EOF |
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21 > [extensions] |
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22 > fix = |
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23 > [fix] |
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24 > uppercase-whole-file:command="$PYTHON" $UPPERCASEPY |
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25 > uppercase-whole-file:pattern=set:** |
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26 > EOF |
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27 |
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28 $ hg init repo |
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29 $ cd repo |
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30 |
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31 # Create a file that's large enough that it seems to not fit in |
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32 # pickle's buffer, making it use the code path that expects our |
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33 # _blockingreader's read() method to return bytes. |
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34 $ echo "some stuff" > file |
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35 $ for i in $($TESTDIR/seq.py 13); do |
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36 > cat file file > tmp |
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37 > mv -f tmp file |
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38 > done |
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39 $ hg commit -Am "add large file" |
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40 adding file |
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41 |
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42 Check that we don't get a crash |
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43 |
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44 $ hg fix -r . |
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45 saved backup bundle to $TESTTMP/repo/.hg/strip-backup/*-fix.hg (glob) |