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$ hg init empty-repo
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$ cd empty-repo
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|
|
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Flags on revlog version 0 are rejected
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|
|
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>>> with open('.hg/store/00changelog.i', 'wb') as fh:
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... fh.write(b'\x00\x01\x00\x00') and None
|
|
|
|
|
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$ hg log
|
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|
abort: unknown flags (0x01) in version 0 revlog 00changelog
|
|
|
[50]
|
|
|
|
|
|
Unknown flags on revlog version 1 are rejected
|
|
|
|
|
|
>>> with open('.hg/store/00changelog.i', 'wb') as fh:
|
|
|
... fh.write(b'\x00\x04\x00\x01') and None
|
|
|
|
|
|
$ hg log
|
|
|
abort: unknown flags (0x04) in version 1 revlog 00changelog
|
|
|
[50]
|
|
|
|
|
|
Unknown version is rejected
|
|
|
|
|
|
>>> with open('.hg/store/00changelog.i', 'wb') as fh:
|
|
|
... fh.write(b'\x00\x00\xbe\xef') and None
|
|
|
|
|
|
$ hg log
|
|
|
abort: unknown version (48879) in revlog 00changelog
|
|
|
[50]
|
|
|
|
|
|
$ cd ..
|
|
|
|
|
|
Test for CVE-2016-3630
|
|
|
|
|
|
$ mkdir test2; cd test2
|
|
|
$ hg init
|
|
|
|
|
|
>>> import codecs
|
|
|
>>> open("a.i", "wb").write(codecs.decode(codecs.decode(
|
|
|
... b"""eJxjYGZgZIAAYQYGxhgom+k/FMx8YKx9ZUaKSOyqo4cnuKb8mbqHV5cBCVTMWb1Cwqkhe4Gsg9AD
|
|
|
... Joa3dYtcYYYBAQ8Qr4OqZAYRICPTSr5WKd/42rV36d+8/VmrNpv7NP1jQAXrQE4BqQUARngwVA==""",
|
|
|
... "base64"), "zlib")) and None
|
|
|
|
|
|
$ hg debugrevlogindex a.i
|
|
|
rev linkrev nodeid p1 p2
|
|
|
0 2 99e0332bd498 000000000000 000000000000
|
|
|
1 3 6674f57a23d8 99e0332bd498 000000000000
|
|
|
|
|
|
>>> from mercurial.revlogutils.constants import KIND_OTHER
|
|
|
>>> from mercurial import revlog, vfs
|
|
|
>>> tvfs = vfs.vfs(b'.')
|
|
|
>>> tvfs.options = {b'revlogv1': True}
|
|
|
>>> rl = revlog.revlog(tvfs, target=(KIND_OTHER, b'test'), radix=b'a')
|
|
|
>>> rl.revision(1)
|
|
|
mpatchError(*'patch cannot be decoded'*) (glob)
|
|
|
|
|
|
$ cd ..
|
|
|
|
|
|
|
|
|
Regression test for support for the old repos with strange diff encoding.
|
|
|
Apparently it used to be possible (maybe it's still possible, but we don't know how)
|
|
|
to create commits whose diffs are encoded relative to a nullrev.
|
|
|
This test checks that a repo with that encoding can still be read.
|
|
|
|
|
|
This is what we did to produce the repo in test-revlog-diff-relative-to-nullrev.tar:
|
|
|
|
|
|
- tweak the code in mercurial/revlogutils/deltas.py to produce such "trivial" deltas:
|
|
|
> if deltainfo is None:
|
|
|
> - deltainfo = self._fullsnapshotinfo(fh, revinfo, target_rev)
|
|
|
> + deltainfo = self._builddeltainfo(revinfo, nullrev, fh)
|
|
|
- hg init
|
|
|
- echo hi > a
|
|
|
- hg commit -Am_
|
|
|
- remove some cache files
|
|
|
|
|
|
$ tar -x < "$TESTDIR"/bundles/test-revlog-diff-relative-to-nullrev.tar
|
|
|
$ cd nullrev-diff
|
|
|
$ hg debugdeltachain a
|
|
|
rev p1 p2 chain# chainlen prev delta size rawsize chainsize ratio lindist extradist extraratio readsize largestblk rddensity srchunks
|
|
|
0 -1 -1 1 2 -1 p1 15 3 15 5.00000 15 0 0.00000 15 15 1.00000 1
|
|
|
1 0 -1 1 2 -1 p2 15 3 15 5.00000 30 15 1.00000 30 30 0.50000 1
|
|
|
2 -1 -1 1 2 -1 p1 15 3 15 5.00000 45 30 2.00000 45 45 0.33333 1
|
|
|
$ hg cat --config rhg.cat=true -r 0 a
|
|
|
hi
|
|
|
$ hg cat --config rhg.cat=true -r 1 a
|
|
|
ho
|
|
|
$ hg cat --config rhg.cat=true -r 2 a
|
|
|
ha
|
|
|
$ cd ..
|
|
|
|
