mirror of
https://github.com/facebook/sapling.git
synced 2024-10-10 00:45:18 +03:00
98d9269874
Summary: Create a fork of the Mercurial code that we can use to build server rpms. The hg servers will continue to exist for a few more months while we move the darkstorm and ediscovery use cases off them. In the mean time, we want to start making breaking changes to the client, so let's create a stable copy of the hg code to produce rpms for the hg servers. The fork is based off c7770c78d, the latest hg release. This copies the files as is, then adds some minor tweaks to get it to build: - Disables some lint checks that appear to be bypassed by path - sed replace eden/scm with eden/hg-server - Removed a dependency on scm/telemetry from the edenfs-client tests since scm/telemetry pulls in the original eden/scm/lib/configparser which conflicts with the hg-server conflict parser. allow-large-files Reviewed By: quark-zju Differential Revision: D27632557 fbshipit-source-id: b2f442f4ec000ea08e4d62de068750832198e1f4
154 lines
5.7 KiB
Perl
154 lines
5.7 KiB
Perl
#chg-compatible
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$ disable treemanifest
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$ setconfig remotefilelog.write-hgcache-to-indexedlog=False remotefilelog.write-local-to-indexedlog=False
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$ . "$TESTDIR/library.sh"
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$ hginit master
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$ cd master
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$ cat >> .hg/hgrc <<EOF
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> [remotefilelog]
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> server=True
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> serverexpiration=-1
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> EOF
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$ echo x > x
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$ echo y > y
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$ hg commit -qAm xy
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$ echo x >> x
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$ echo y >> y
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$ hg commit -qAm xy2
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$ cd ..
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$ hgcloneshallow ssh://user@dummy/master shallow -q
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2 files fetched over 1 fetches - (2 misses, 0.00% hit ratio) over * (glob) (?)
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Set the prefetchdays config to zero so that all commits are prefetched
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no matter what their creation date is.
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$ cd shallow
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$ cat >> .hg/hgrc <<EOF
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> [remotefilelog]
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> localdatarepack=True
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> prefetchdays=0
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> EOF
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$ cd ..
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$ cd shallow
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$ findfilessorted $CACHEDIR/master/packs
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$TESTTMP/hgcache/master/packs/37db2caec222ca26824a52d6bdc778344e0d1440.histidx
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$TESTTMP/hgcache/master/packs/37db2caec222ca26824a52d6bdc778344e0d1440.histpack
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$TESTTMP/hgcache/master/packs/9ae82bbfd147f28ff04367cf066c5ed3ef429be4.dataidx
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$TESTTMP/hgcache/master/packs/9ae82bbfd147f28ff04367cf066c5ed3ef429be4.datapack
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$ hg repack
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$ findfilessorted $CACHEDIR/master/packs
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$TESTTMP/hgcache/master/packs/37db2caec222ca26824a52d6bdc778344e0d1440.histidx
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$TESTTMP/hgcache/master/packs/37db2caec222ca26824a52d6bdc778344e0d1440.histpack
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$TESTTMP/hgcache/master/packs/9ae82bbfd147f28ff04367cf066c5ed3ef429be4.dataidx
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$TESTTMP/hgcache/master/packs/9ae82bbfd147f28ff04367cf066c5ed3ef429be4.datapack
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$TESTTMP/hgcache/master/packs/repacklock
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Create some new data to pack into it
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$ cd ../master
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$ echo a > a
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$ echo b > b
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$ hg commit -qAm ab
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$ echo a >> a
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$ echo b >> b
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$ hg commit -qAm ab2
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$ cd ../shallow
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$ hg pull -q
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$ hg up -q tip
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2 files fetched over 1 fetches - (2 misses, 0.00% hit ratio) over * (glob) (?)
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$ findfilessorted $CACHEDIR/master/packs
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$TESTTMP/hgcache/master/packs/37db2caec222ca26824a52d6bdc778344e0d1440.histidx
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$TESTTMP/hgcache/master/packs/37db2caec222ca26824a52d6bdc778344e0d1440.histpack
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$TESTTMP/hgcache/master/packs/767371d087d35f549346611a68c10805fa2e5083.dataidx
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$TESTTMP/hgcache/master/packs/767371d087d35f549346611a68c10805fa2e5083.datapack
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$TESTTMP/hgcache/master/packs/8054aa368dd33acb92013013096b517dfdfaf184.histidx
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$TESTTMP/hgcache/master/packs/8054aa368dd33acb92013013096b517dfdfaf184.histpack
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$TESTTMP/hgcache/master/packs/9ae82bbfd147f28ff04367cf066c5ed3ef429be4.dataidx
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$TESTTMP/hgcache/master/packs/9ae82bbfd147f28ff04367cf066c5ed3ef429be4.datapack
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$TESTTMP/hgcache/master/packs/repacklock
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Truncate the historypack file in the middle of the filename length for "y"
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$ chmod +w $TESTTMP/hgcache/master/packs/37db2caec222ca26824a52d6bdc778344e0d1440.histpack
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$ python $TESTDIR/truncate.py --size 173 $TESTTMP/hgcache/master/packs/37db2caec222ca26824a52d6bdc778344e0d1440.histpack
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Repack
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$ hg repack
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$ findfilessorted $CACHEDIR/master/packs
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$TESTTMP/hgcache/master/packs/37db2caec222ca26824a52d6bdc778344e0d1440.histidx
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$TESTTMP/hgcache/master/packs/37db2caec222ca26824a52d6bdc778344e0d1440.histpack
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$TESTTMP/hgcache/master/packs/60374dd52300114836388912c35fe94f80e74889.dataidx
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$TESTTMP/hgcache/master/packs/60374dd52300114836388912c35fe94f80e74889.datapack
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$TESTTMP/hgcache/master/packs/8335018efaefd765d52fad1c07f44addc0371202.histidx
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$TESTTMP/hgcache/master/packs/8335018efaefd765d52fad1c07f44addc0371202.histpack
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$TESTTMP/hgcache/master/packs/repacklock
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The history for y has to be refetched from the server.
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$ hg log -f y -T '{desc}\n'
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xy2
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xy
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1 files fetched over 1 fetches - (1 misses, 0.00% hit ratio) over 0.00s (?)
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Next, do the same for local data. This time there is data loss, as there are no more copies
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of the data available.
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Create some local commits and pack them into a pack file
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$ echo m > m
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$ echo n > n
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$ echo o > o
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$ hg commit -qAm mno
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$ echo m >> m
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$ echo n >> n
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$ echo o >> o
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$ hg commit -qAm mno2
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$ hg repack
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Truncate the history in the middle of the filename length for "n"
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$ chmod +w .hg/store/packs/822f755410ca9f664d7c706957b8391248327318.histpack
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$ python $TESTDIR/truncate.py --size 173 .hg/store/packs/822f755410ca9f664d7c706957b8391248327318.histpack
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Truncate the data in the middle of the filename length for "o"
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$ chmod +w .hg/store/packs/f0a7036b83e36fd41dc1ea89cc67e6a01487f2cf.datapack
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$ python $TESTDIR/truncate.py --size 130 .hg/store/packs/f0a7036b83e36fd41dc1ea89cc67e6a01487f2cf.datapack
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Repack
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$ hg repack 2>&1 | grep 'Repack failure'
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*RustError: Repack failure: [("$TESTTMP/shallow/.hg/store/packs/f0a7036b83e36fd41dc1ea89cc67e6a01487f2cf", failed to fill whole buffer)] (glob)
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$ findfilessorted .hg/store/packs
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.hg/store/packs/074daadf58a47b23b71741ac7c922b7c02343598.dataidx
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.hg/store/packs/074daadf58a47b23b71741ac7c922b7c02343598.datapack
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.hg/store/packs/822f755410ca9f664d7c706957b8391248327318.histidx
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.hg/store/packs/822f755410ca9f664d7c706957b8391248327318.histpack
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.hg/store/packs/f0a7036b83e36fd41dc1ea89cc67e6a01487f2cf.dataidx
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.hg/store/packs/f0a7036b83e36fd41dc1ea89cc67e6a01487f2cf.datapack
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The local data and history for m is still available
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$ hg cat m
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m
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m
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$ hg log -f m -T '{desc}\n'
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mno2
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mno
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The local data for n is still available
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$ hg cat n
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n
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n
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The history for n is lost
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$ hg log -qf n 2>&1 | grep 'KeyError'
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KeyError: 'Key not found HgId(Key { path: RepoPathBuf("n"), hgid: HgId("c972a0820002b32c6fec4b7ca47d3aecdad8e1c5") })'
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The local data and history for o is lost
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$ hg cat -q o 2>&1
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abort: stream ended unexpectedly (got 0 bytes, expected 2)
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[255]
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$ hg log -qf o 2>&1 | grep 'KeyError'
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KeyError: 'Key not found HgId(Key { path: RepoPathBuf("o"), hgid: HgId("fd94f81d01bf8c9d960bb57abdd4e8375309ae43") })'
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