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#testcases dirstate-v1 dirstate-v2
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#if dirstate-v2
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$ cat >> $HGRCPATH << EOF
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> [format]
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> exp-rc-dirstate-v2=1
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> [storage]
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> dirstate-v2.slow-path=allow
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> EOF
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#endif
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Checking the size/permissions/file-type of files stored in the
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dirstate after an update where the files are changed concurrently
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outside of hg's control.
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$ 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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# this sleep is there to ensure current time has -at-least- one second away
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# from the current time. It ensure the mtime is not ambiguous. If the test
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# "sleep" longer this will be fine.
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# It is not used to synchronise parallele operation so it is "fine" to use it.
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$ sleep 1
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$ hg status
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$ hg debugdirstate --no-dates
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n 644 3 (set |unset) a (re)
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$ cat >> $TESTTMP/dirstaterace.py << EOF
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> import time
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> from mercurial import (
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> commit,
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> extensions,
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> merge,
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> )
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> def extsetup(ui):
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> extensions.wrapfunction(merge, 'applyupdates', wrap(0))
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> extensions.wrapfunction(commit, 'commitctx', wrap(1))
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> def wrap(duration):
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> def new(orig, *args, **kwargs):
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> res = orig(*args, **kwargs)
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> with open("a", "w"):
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> pass # just truncate the file
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> time.sleep(duration)
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> return res
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> return new
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> EOF
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Do an update where file 'a' is changed between hg writing it to disk
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and hg writing the dirstate. The dirstate is correct nonetheless, and
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so hg status correctly shows a as clean.
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$ 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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Do a commit where file 'a' is changed between hg committing its new
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revision into the repository, and the writing of the dirstate.
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This used to results in a corrupted dirstate (size did not match committed size).
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$ echo aaa > a; hg commit -qm _
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$ hg merge -qr 1; hg resolve -m; rm a.orig
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warning: conflicts while merging a! (edit, then use 'hg resolve --mark')
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(no more unresolved files)
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$ cat a
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<<<<<<< working copy: be46f74ce38d - test: _
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aaa
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=======
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aa
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>>>>>>> merge rev: eb3fc6c17aa3 - test: _
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$ hg debugdirstate --no-dates
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m 0 -2 (set |unset) a (re)
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$ hg commit -m _ --config extensions.race=$TESTTMP/dirstaterace.py
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$ hg debugdirstate --no-dates
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n 0 -1 unset a
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$ cat a | wc -c
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*0 (re)
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$ hg cat -r . a | wc -c
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*105 (re)
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$ hg status; hg diff --stat
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M a
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a | 5 -----
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1 files changed, 0 insertions(+), 5 deletions(-)
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