Mercurial > evolve
view tests/test-cache-corruption.t @ 6216:ce46b853d10e
prune: add a test to demonstrate a bug
Test shows that pruning without any successor warns about creating
divergence which is not possible and is a false warning.
For the knowledge, this pattern of pruning (without any successor) an
already pruned cset is sometime used to keep successors locally but
vanish them at server side.
| author | Sushil khanchi <sushilkhanchi97@gmail.com> |
|---|---|
| date | Fri, 23 Jul 2021 00:48:50 +0530 |
| parents | bdda94ea2195 |
| children | 38f6e7c0a743 |
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Testing cache corruption and recovery https://bz.mercurial-scm.org/show_bug.cgi?id=6354 $ . $TESTDIR/testlib/pythonpath.sh $ cat << EOF >> $HGRCPATH > [extensions] > evolve = > [experimental] > obshashrange = 1 > obshashrange.warm-cache = yes > [ui] > logtemplate = "{rev} {node|short} {desc} {tags}\n" > EOF $ cat >> repack.py << EOF > import struct > import sys > # imitating array.array().tobytes() with a platform-dependent item size > sixtyfour = struct.Struct('<q') # as seen on 64-bit platforms > thirtytwo = struct.Struct('<l') # as seen on 32-bit platforms > iss = struct.Struct('<I') # for rewriting indexsize of stablesortcache > data = [] > with open(sys.argv[1], 'rb') as f: > header = f.read(24) > if '--index' in sys.argv: > indexsize = iss.unpack(f.read(iss.size))[0] > while True: > buf = f.read(sixtyfour.size) > if not buf: break > data.append(sixtyfour.unpack(buf)[0]) > with open(sys.argv[1], 'wb') as f: > f.write(header) > if '--index' in sys.argv: > indexsize = int(indexsize * thirtytwo.size / sixtyfour.size) > f.write(iss.pack(indexsize)) > for item in data: > f.write(thirtytwo.pack(item)) > EOF $ cat >> truncate.py << EOF > import os > import sys > with open(sys.argv[1], 'ab') as fp: > fp.seek(int(sys.argv[2]), os.SEEK_END) > fp.truncate() > EOF Simple linear setup $ hg init linear $ cd linear $ hg debugbuilddag '+3' $ hg log -G o 2 01241442b3c2 r2 tip | o 1 66f7d451a68b r1 | o 0 1ea73414a91b r0 $ f -s .hg/cache/evoext-* .hg/cache/evoext-depthcache-00: size=48 .hg/cache/evoext-firstmerge-00: size=48 .hg/cache/evoext-obscache-00: size=67 .hg/cache/evoext-stablesortcache-00: size=52 testing depthcache $ f -H .hg/cache/evoext-depthcache-00 .hg/cache/evoext-depthcache-00: 0000: 00 00 00 02 01 24 14 42 b3 c2 bf 32 11 e5 93 b5 |.....$.B...2....| 0010: 49 c6 55 ea 65 b2 95 e3 01 00 00 00 00 00 00 00 |I.U.e...........| 0020: 02 00 00 00 00 00 00 00 03 00 00 00 00 00 00 00 |................| $ hg debugdepth --rev 'all()' --method compare --debug 1ea73414a91b 1 66f7d451a68b 2 01241442b3c2 3 $ "$PYTHON" ../repack.py .hg/cache/evoext-depthcache-00 $ f -H .hg/cache/evoext-depthcache-00 .hg/cache/evoext-depthcache-00: 0000: 00 00 00 02 01 24 14 42 b3 c2 bf 32 11 e5 93 b5 |.....$.B...2....| 0010: 49 c6 55 ea 65 b2 95 e3 01 00 00 00 02 00 00 00 |I.U.e...........| 0020: 03 00 00 00 |....| $ hg debugdepth --rev 'all()' --method compare --debug depthcache file seems to be corrupted, it will be rebuilt from scratch 1ea73414a91b 1 66f7d451a68b 2 01241442b3c2 3 $ "$PYTHON" ../truncate.py .hg/cache/evoext-depthcache-00 -4 $ f -H .hg/cache/evoext-depthcache-00 .hg/cache/evoext-depthcache-00: 0000: 00 00 00 02 01 24 14 42 b3 c2 bf 32 11 e5 93 b5 |.....$.B...2....| 0010: 49 c6 55 ea 65 b2 95 e3 01 00 00 00 00 00 00 00 |I.U.e...........| 0020: 02 00 00 00 00 00 00 00 03 00 00 00 |............| $ hg debugdepth --rev 'all()' --method compare --debug depthcache file seems to be corrupted, it will be rebuilt from scratch 1ea73414a91b 1 66f7d451a68b 2 01241442b3c2 3 testing firstmergecache $ f -H .hg/cache/evoext-firstmerge-00 .hg/cache/evoext-firstmerge-00: 0000: 00 00 00 02 01 24 14 42 b3 c2 bf 32 11 e5 93 b5 |.....$.B...2....| 0010: 49 c6 55 ea 65 b2 95 e3 ff ff ff ff ff ff ff ff |I.U.e...........| 0020: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff |................| $ hg debugfirstmergecache --debug 1ea73414a91b -1 66f7d451a68b -1 01241442b3c2 -1 $ "$PYTHON" ../repack.py .hg/cache/evoext-firstmerge-00 $ f -H .hg/cache/evoext-firstmerge-00 .hg/cache/evoext-firstmerge-00: 0000: 00 00 00 02 01 24 14 42 b3 c2 bf 32 11 e5 93 b5 |.....$.B...2....| 0010: 49 c6 55 ea 65 b2 95 e3 ff ff ff ff ff ff ff ff |I.U.e...........| 0020: ff ff ff ff |....| $ hg debugfirstmergecache --debug firstmergecache file seems to be corrupted, it will be rebuilt from scratch 1ea73414a91b -1 66f7d451a68b -1 01241442b3c2 -1 $ "$PYTHON" ../truncate.py .hg/cache/evoext-firstmerge-00 -4 $ f -H .hg/cache/evoext-firstmerge-00 .hg/cache/evoext-firstmerge-00: 0000: 00 00 00 02 01 24 14 42 b3 c2 bf 32 11 e5 93 b5 |.....$.B...2....| 0010: 49 c6 55 ea 65 b2 95 e3 ff ff ff ff ff ff ff ff |I.U.e...........| 0020: ff ff ff ff ff ff ff ff ff ff ff ff |............| $ hg debugfirstmergecache --debug firstmergecache file seems to be corrupted, it will be rebuilt from scratch 1ea73414a91b -1 66f7d451a68b -1 01241442b3c2 -1 testing stablesortcache $ f -H .hg/cache/evoext-stablesortcache-00 .hg/cache/evoext-stablesortcache-00: 0000: 00 00 00 02 01 24 14 42 b3 c2 bf 32 11 e5 93 b5 |.....$.B...2....| 0010: 49 c6 55 ea 65 b2 95 e3 00 00 00 18 00 00 00 00 |I.U.e...........| 0020: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 |................| 0030: 00 00 00 00 |....| $ hg debugstablesortcache --debug number of revisions: 3 number of merge: 0 number of jumps: 0 $ "$PYTHON" ../repack.py .hg/cache/evoext-stablesortcache-00 --index $ f -H .hg/cache/evoext-stablesortcache-00 .hg/cache/evoext-stablesortcache-00: 0000: 00 00 00 02 01 24 14 42 b3 c2 bf 32 11 e5 93 b5 |.....$.B...2....| 0010: 49 c6 55 ea 65 b2 95 e3 00 00 00 0c 00 00 00 00 |I.U.e...........| 0020: 00 00 00 00 00 00 00 00 |........| $ hg debugstablesortcache --debug number of revisions: 3 stablesortcache file seems to be corrupted, it will be rebuilt from scratch number of merge: 0 number of jumps: 0 $ "$PYTHON" ../truncate.py .hg/cache/evoext-stablesortcache-00 -4 $ f -H .hg/cache/evoext-stablesortcache-00 .hg/cache/evoext-stablesortcache-00: 0000: 00 00 00 02 01 24 14 42 b3 c2 bf 32 11 e5 93 b5 |.....$.B...2....| 0010: 49 c6 55 ea 65 b2 95 e3 00 00 00 18 00 00 00 00 |I.U.e...........| 0020: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 |................| $ hg debugstablesortcache --debug number of revisions: 3 stablesortcache file seems to be corrupted, it will be rebuilt from scratch number of merge: 0 number of jumps: 0 $ cd .. A "diamond" setup with a merge $ hg init with-a-merge $ cd with-a-merge $ hg debugbuilddag '+2 *2 /2' $ hg log -G o 3 2b6d669947cd r3 tip |\ | o 2 fa942426a6fd r2 | | o | 1 66f7d451a68b r1 |/ o 0 1ea73414a91b r0 $ f -s .hg/cache/evoext-* .hg/cache/evoext-depthcache-00: size=56 .hg/cache/evoext-firstmerge-00: size=56 .hg/cache/evoext-obscache-00: size=68 .hg/cache/evoext-stablesortcache-00: size=84 testing depthcache $ f -H .hg/cache/evoext-depthcache-00 .hg/cache/evoext-depthcache-00: 0000: 00 00 00 03 2b 6d 66 99 47 cd 52 4d 74 f4 3c 1b |....+mf.G.RMt.<.| 0010: 11 c7 84 85 89 70 7e ef 01 00 00 00 00 00 00 00 |.....p~.........| 0020: 02 00 00 00 00 00 00 00 02 00 00 00 00 00 00 00 |................| 0030: 04 00 00 00 00 00 00 00 |........| $ hg debugdepth --rev 'all()' --method compare --debug 1ea73414a91b 1 66f7d451a68b 2 fa942426a6fd 2 2b6d669947cd 4 $ "$PYTHON" ../repack.py .hg/cache/evoext-depthcache-00 $ f -H .hg/cache/evoext-depthcache-00 .hg/cache/evoext-depthcache-00: 0000: 00 00 00 03 2b 6d 66 99 47 cd 52 4d 74 f4 3c 1b |....+mf.G.RMt.<.| 0010: 11 c7 84 85 89 70 7e ef 01 00 00 00 02 00 00 00 |.....p~.........| 0020: 02 00 00 00 04 00 00 00 |........| $ hg debugdepth --rev 'all()' --method compare --debug depthcache file seems to be corrupted, it will be rebuilt from scratch 1ea73414a91b 1 66f7d451a68b 2 fa942426a6fd 2 2b6d669947cd 4 $ "$PYTHON" ../truncate.py .hg/cache/evoext-depthcache-00 -4 $ f -H .hg/cache/evoext-depthcache-00 .hg/cache/evoext-depthcache-00: 0000: 00 00 00 03 2b 6d 66 99 47 cd 52 4d 74 f4 3c 1b |....+mf.G.RMt.<.| 0010: 11 c7 84 85 89 70 7e ef 01 00 00 00 00 00 00 00 |.....p~.........| 0020: 02 00 00 00 00 00 00 00 02 00 00 00 00 00 00 00 |................| 0030: 04 00 00 00 |....| $ hg debugdepth --rev 'all()' --method compare --debug depthcache file seems to be corrupted, it will be rebuilt from scratch 1ea73414a91b 1 66f7d451a68b 2 fa942426a6fd 2 2b6d669947cd 4 testing firstmergecache $ f -H .hg/cache/evoext-firstmerge-00 .hg/cache/evoext-firstmerge-00: 0000: 00 00 00 03 2b 6d 66 99 47 cd 52 4d 74 f4 3c 1b |....+mf.G.RMt.<.| 0010: 11 c7 84 85 89 70 7e ef ff ff ff ff ff ff ff ff |.....p~.........| 0020: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff |................| 0030: 03 00 00 00 00 00 00 00 |........| $ hg debugfirstmergecache --debug 1ea73414a91b -1 66f7d451a68b -1 fa942426a6fd -1 2b6d669947cd 3 $ "$PYTHON" ../repack.py .hg/cache/evoext-firstmerge-00 $ f -H .hg/cache/evoext-firstmerge-00 .hg/cache/evoext-firstmerge-00: 0000: 00 00 00 03 2b 6d 66 99 47 cd 52 4d 74 f4 3c 1b |....+mf.G.RMt.<.| 0010: 11 c7 84 85 89 70 7e ef ff ff ff ff ff ff ff ff |.....p~.........| 0020: ff ff ff ff 03 00 00 00 |........| $ hg debugfirstmergecache --debug firstmergecache file seems to be corrupted, it will be rebuilt from scratch 1ea73414a91b -1 66f7d451a68b -1 fa942426a6fd -1 2b6d669947cd 3 $ "$PYTHON" ../truncate.py .hg/cache/evoext-firstmerge-00 -4 $ f -H .hg/cache/evoext-firstmerge-00 .hg/cache/evoext-firstmerge-00: 0000: 00 00 00 03 2b 6d 66 99 47 cd 52 4d 74 f4 3c 1b |....+mf.G.RMt.<.| 0010: 11 c7 84 85 89 70 7e ef ff ff ff ff ff ff ff ff |.....p~.........| 0020: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff |................| 0030: 03 00 00 00 |....| $ hg debugfirstmergecache --debug firstmergecache file seems to be corrupted, it will be rebuilt from scratch 1ea73414a91b -1 66f7d451a68b -1 fa942426a6fd -1 2b6d669947cd 3 testing stablesortcache $ f -H .hg/cache/evoext-stablesortcache-00 .hg/cache/evoext-stablesortcache-00: 0000: 00 00 00 03 2b 6d 66 99 47 cd 52 4d 74 f4 3c 1b |....+mf.G.RMt.<.| 0010: 11 c7 84 85 89 70 7e ef 00 00 00 20 00 00 00 00 |.....p~.... ....| 0020: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 |................| 0030: 00 00 00 00 01 00 00 00 00 00 00 00 02 00 00 00 |................| 0040: 00 00 00 00 01 00 00 00 00 00 00 00 02 00 00 00 |................| 0050: 00 00 00 00 |....| $ hg debugstablesortcache --debug number of revisions: 4 number of merge: 1 number of jumps: 1 average jumps: 1.000 median jumps: 1 90% jumps: 1 99% jumps: 1 max jumps: 1 jump cache size: 12 bytes $ "$PYTHON" ../repack.py .hg/cache/evoext-stablesortcache-00 --index $ f -H .hg/cache/evoext-stablesortcache-00 .hg/cache/evoext-stablesortcache-00: 0000: 00 00 00 03 2b 6d 66 99 47 cd 52 4d 74 f4 3c 1b |....+mf.G.RMt.<.| 0010: 11 c7 84 85 89 70 7e ef 00 00 00 10 00 00 00 00 |.....p~.........| 0020: 00 00 00 00 00 00 00 00 01 00 00 00 02 00 00 00 |................| 0030: 01 00 00 00 02 00 00 00 |........| $ hg debugstablesortcache --debug number of revisions: 4 stablesortcache file seems to be corrupted, it will be rebuilt from scratch number of merge: 1 number of jumps: 1 average jumps: 1.000 median jumps: 1 90% jumps: 1 99% jumps: 1 max jumps: 1 jump cache size: 12 bytes $ "$PYTHON" ../truncate.py .hg/cache/evoext-stablesortcache-00 -4 $ f -H .hg/cache/evoext-stablesortcache-00 .hg/cache/evoext-stablesortcache-00: 0000: 00 00 00 03 2b 6d 66 99 47 cd 52 4d 74 f4 3c 1b |....+mf.G.RMt.<.| 0010: 11 c7 84 85 89 70 7e ef 00 00 00 20 00 00 00 00 |.....p~.... ....| 0020: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 |................| 0030: 00 00 00 00 01 00 00 00 00 00 00 00 02 00 00 00 |................| 0040: 00 00 00 00 01 00 00 00 00 00 00 00 02 00 00 00 |................| $ hg debugstablesortcache --debug number of revisions: 4 stablesortcache file seems to be corrupted, it will be rebuilt from scratch number of merge: 1 number of jumps: 1 average jumps: 1.000 median jumps: 1 90% jumps: 1 99% jumps: 1 max jumps: 1 jump cache size: 12 bytes $ cd ..