tests/test-diff-antipatience.t
author Pierre-Yves David <pierre-yves.david@octobus.net>
Thu, 01 Sep 2022 15:49:14 +0200
branchstable
changeset 49469 b5c8524827d2
parent 38469 9ef9884e5d50
permissions -rw-r--r--
dirstate-v2: no longer register the data-file during transaction If the data file change during the transaction, we cannot truncate it. The content of the file itself is fine as it will get backed up at the same time as the docket. Leaving the trailing data at the end of failed transaction is fine. The dirstate-v2 format supports it. The dead data will simply we written over if necessary.
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#testcases bdiff xdiff
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#if xdiff
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#require xdiff
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  $ cat >> $HGRCPATH <<EOF
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  > [experimental]
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  > xdiff = true
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  > EOF
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#endif
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Test case that makes use of the weakness of patience diff algorithm
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  $ hg init
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  >>> open('a', 'wb').write(('\n'.join(list('a' + 'x' * 10 + 'u' + 'x' * 30 + 'a\n'))).encode('ascii')) and None
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  $ hg commit -m 1 -A a
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  >>> open('a', 'wb').write(('\n'.join(list('b' + 'x' * 30 + 'u' + 'x' * 10 + 'b\n'))).encode('ascii')) and None
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#if xdiff
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  $ hg diff
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  diff -r f0aeecb49805 a
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  --- a/a	Thu Jan 01 00:00:00 1970 +0000
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  +++ b/a	Thu Jan 01 00:00:00 1970 +0000
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  @@ -1,4 +1,4 @@
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  -a
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  +b
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   x
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   x
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   x
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  @@ -9,7 +9,6 @@
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   x
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   x
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   x
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  -u
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   x
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   x
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   x
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  @@ -30,6 +29,7 @@
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   x
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   x
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  +u
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   x
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  @@ -40,5 +40,5 @@
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   x
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   x
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   x
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  -a
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  +b
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#else
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  $ hg diff
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  diff -r f0aeecb49805 a
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  --- a/a	Thu Jan 01 00:00:00 1970 +0000
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  +++ b/a	Thu Jan 01 00:00:00 1970 +0000
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  @@ -1,15 +1,4 @@
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  -a
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  -x
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  +b
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   x
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  @@ -40,5 +29,16 @@
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  -a
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  +u
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#endif