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Checking the size/permissions/file-type of files stored in the
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dirstate after an update where the files are changed concurrently
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outside of hg's control.
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$ hg init repo
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$ cd repo
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$ echo a > a
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$ hg commit -qAm _
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$ echo aa > a
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$ hg commit -m _
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$ hg debugdirstate --no-dates
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n 644 3 (set |unset) a (re)
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$ cat >> $TESTTMP/dirstaterace.py << EOF
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> from mercurial import (
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> extensions,
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> merge,
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> )
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> def extsetup(ui):
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> extensions.wrapfunction(merge, 'applyupdates', wrap)
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> def wrap(orig, *args, **kwargs):
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> res = orig(*args, **kwargs)
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> with open("a", "w"):
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> pass # just truncate the file
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> return res
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> EOF
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Do an update where file 'a' is changed between hg writing it to disk
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and hg writing the dirstate. The dirstate is correct nonetheless, and
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so hg status correctly shows a as clean.
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$ hg up -r 0 --config extensions.race=$TESTTMP/dirstaterace.py
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1 files updated, 0 files merged, 0 files removed, 0 files unresolved
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$ hg debugdirstate --no-dates
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n 644 2 (set |unset) a (re)
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$ echo a > a; hg status; hg diff
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