upstream/mercurial-mirror Files · tests/test-revlog.t

rebase: clean up rebasestate from active transaction...

rebase: clean up rebasestate from active transaction Previously, rebase assumes the following pattern: rebase: with transaction as tr: # top-level ... tr.__close__ writes rebasestate unlink('rebasestate') However it's possible that "rebase" was called inside a transaction: with transaction as tr1: rebase: with transaction as tr2: # not top-level ... tr2.__close__ does not write rebasestate unlink('rebasestate') tr1.__close__ writes rebasestate That leaves a rebasestate on disk incorrectly. This patch adds "removefilegenerator" to notify transaction code that the state file is no longer needed therefore fixes the issue.

Gregory Szorc - - Load All Authors

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        $ hg init empty-repo

        $ cd empty-repo

      Flags on revlog version 0 are rejected

        >>> with open('.hg/store/00changelog.i', 'wb') as fh:

        ...     fh.write('\x00\x01\x00\x00')

        $ hg log

        abort: unknown flags (0x01) in version 0 revlog 00changelog.i!

        [255]

      Unknown flags on revlog version 1 are rejected

        >>> with open('.hg/store/00changelog.i', 'wb') as fh:

        ...     fh.write('\x00\x04\x00\x01')

        $ hg log

        abort: unknown flags (0x04) in version 1 revlog 00changelog.i!

        [255]

      Unknown version is rejected

        >>> with open('.hg/store/00changelog.i', 'wb') as fh:

        ...     fh.write('\x00\x00\x00\x02')

        $ hg log

        abort: unknown version (2) in revlog 00changelog.i!

        [255]

        $ cd ..

      Test for CVE-2016-3630

        $ hg init

        >>> open("a.i", "w").write(

        ... """eJxjYGZgZIAAYQYGxhgom+k/FMx8YKx9ZUaKSOyqo4cnuKb8mbqHV5cBCVTMWb1Cwqkhe4Gsg9AD

        ... Joa3dYtcYYYBAQ8Qr4OqZAYRICPTSr5WKd/42rV36d+8/VmrNpv7NP1jQAXrQE4BqQUARngwVA=="""

        ... .decode("base64").decode("zlib"))

        $ hg debugindex a.i

           rev    offset  length  delta linkrev nodeid       p1           p2

             0         0      19     -1       2 99e0332bd498 000000000000 000000000000

             1        19      12      0       3 6674f57a23d8 99e0332bd498 000000000000

        $ hg debugdata a.i 1 2>&1 | egrep 'Error:.*decoded'

        (mercurial\.\w+\.mpatch\.)?mpatchError: patch cannot be decoded (re)

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				$ hg init empty-repo
				$ cd empty-repo

				Flags on revlog version 0 are rejected

				>>> with open('.hg/store/00changelog.i', 'wb') as fh:
				... fh.write('\x00\x01\x00\x00')

				$ hg log
				abort: unknown flags (0x01) in version 0 revlog 00changelog.i!
				[255]

				Unknown flags on revlog version 1 are rejected

				>>> with open('.hg/store/00changelog.i', 'wb') as fh:
				... fh.write('\x00\x04\x00\x01')

				$ hg log
				abort: unknown flags (0x04) in version 1 revlog 00changelog.i!
				[255]

				Unknown version is rejected

				>>> with open('.hg/store/00changelog.i', 'wb') as fh:
				... fh.write('\x00\x00\x00\x02')

				$ hg log
				abort: unknown version (2) in revlog 00changelog.i!
				[255]

				$ cd ..

				Test for CVE-2016-3630

				$ hg init

				>>> open("a.i", "w").write(
				... """eJxjYGZgZIAAYQYGxhgom+k/FMx8YKx9ZUaKSOyqo4cnuKb8mbqHV5cBCVTMWb1Cwqkhe4Gsg9AD
				... Joa3dYtcYYYBAQ8Qr4OqZAYRICPTSr5WKd/42rV36d+8/VmrNpv7NP1jQAXrQE4BqQUARngwVA=="""
				... .decode("base64").decode("zlib"))

				$ hg debugindex a.i
				rev offset length delta linkrev nodeid p1 p2
				0 0 19 -1 2 99e0332bd498 000000000000 000000000000
				1 19 12 0 3 6674f57a23d8 99e0332bd498 000000000000
				$ hg debugdata a.i 1 2>&1 \| egrep 'Error:.*decoded'
				(mercurial\.\w+\.mpatch\.)?mpatchError: patch cannot be decoded (re)