mirror of
https://github.com/facebook/sapling.git
synced 2024-10-06 14:58:03 +03:00
2eb818db71
Summary:
When I tried to create a real repo with TESTTMP unset for documentation, I got
mysterious errors like:
File "/opt/fb/mercurial/edenscm/dirstate.py", line 186, in make_treestate
ui, opener, root, self._repo._rsrepo.workingcopy().treestate()
# root = '$TESTTMP/repo1'
error.WorkingCopyError: working copy is missing information or corrupt: No such file or directory (os error 2) at path "$TESTTMP/repo1/$TESTTMP/.tmp2f2UD9 (ef5a29b32a)"
This diff adds tracing logs in various layers to help narrow it down.
The error message is changed since the underlying errors can be unrelated to
the working copy directly.
For now I just trace the mysterious error down. Note the logs are for component
initialization, which usually just run once. They are not in hot paths to
affect performance.
A more systematic solution might be using the `fn_error_context` crate and
enforce functions returning errors to attach context.
Reviewed By: muirdm
Differential Revision: D42102949
fbshipit-source-id: 6060bebe280a72ab6cd32e4d0eb55e5332612287
381 lines
10 KiB
Perl
381 lines
10 KiB
Perl
#debugruntest-compatible
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#chg-compatible
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#debugruntest-compatible
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#inprocess-hg-incompatible
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$ configure modern
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$ setconfig format.use-symlink-atomic-write=1
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Test indexedlogdatapack
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$ . "$TESTDIR/library.sh"
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$ newrepo master
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$ setconfig remotefilelog.server=true remotefilelog.serverexpiration=-1
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$ cd $TESTTMP
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$ enable remotenames
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$ setconfig remotefilelog.debug=false remotefilelog.write-hgcache-to-indexedlog=true remotefilelog.fetchpacks=true
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$ setconfig diff.git=true experimental.narrow-heads=true mutation.record=true mutation.enabled=true mutation.date="0 0" visibility.enabled=1
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$ hgcloneshallow ssh://user@dummy/master shallow -q
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$ cd shallow
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Make some commits
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$ drawdag << 'EOS'
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> B C # amend: B -> C
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> |/
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> A
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> EOS
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When everything looks okay:
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$ hg doctor
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checking internal storage
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checking commit references
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Break the repo in various ways:
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$ rm $TESTTMP/hgcache/master/indexedlogdatastore/latest
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$ rm $TESTTMP/hgcache/master/manifests/indexedlogdatastore/latest
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#if symlink
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$ ln -s foo $TESTTMP/hgcache/master/indexedlogdatastore/latest
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$ ln -s foo $TESTTMP/hgcache/master/manifests/indexedlogdatastore/latest
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#else
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$ echo foo > $TESTTMP/hgcache/master/indexedlogdatastore/latest
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$ echo foo > $TESTTMP/hgcache/master/manifests/indexedlogdatastore/latest
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#endif
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$ echo y > $TESTTMP/hgcache/master/indexedlogdatastore/0/index2-node
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$ echo y > $TESTTMP/hgcache/master/manifests/indexedlogdatastore/0/index2-node
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$ mkdir -p .hg/store/mutation/
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$ echo v > .hg/store/mutation/log
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$ echo xx > .hg/store/metalog/blobs/index2-id
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$ rm .hg/store/metalog/roots/meta
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#if symlink
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$ ln -s foo .hg/store/metalog/roots/meta
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#else
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$ echo foo > .hg/store/metalog/roots/meta
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#endif
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$ rm .hg/store/allheads/meta
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The repo is auto-fixed for common indexedlog open issues:
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(note: this does not conver all corruption issues)
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$ hg log -GpT '{desc}\n'
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o C
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│ diff --git a/C b/C
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│ new file mode 100644
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│ --- /dev/null
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│ +++ b/C
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│ @@ -0,0 +1,1 @@
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│ +C
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│ \ No newline at end of file
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│
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o A
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diff --git a/A b/A
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new file mode 100644
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--- /dev/null
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+++ b/A
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@@ -0,0 +1,1 @@
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+A
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\ No newline at end of file
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Repairs log to "repair.log":
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$ cat .hg/store/mutation/repair.log
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date -d * (glob)
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Processing IndexedLog: * (glob)
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Verified 1 entries, 82 bytes in log
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Index "pred" passed integrity check
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Index "succ" passed integrity check
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Index "split" passed integrity check
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date -d * (glob)
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Corruption detected: * (glob)
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in * (glob)
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(This error is considered as a data corruption)
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Caused by 1 errors:
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- * (glob)
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Starting auto repair.
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date -d * (glob)
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Processing IndexedLog: * (glob)
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Fixed header in log
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Extended log to 82 bytes required by meta
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Verified first 0 entries, 12 of 82 bytes in log
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Backed up corrupted log to * (glob)
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Reset log size to 12
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Rebuilt index "pred"
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Rebuilt index "succ"
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Rebuilt index "split"
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Test that 'hg doctor' can fix them:
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$ hg doctor -v
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checking internal storage
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metalog:
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Checking blobs at "*": (glob)
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Processing IndexedLog: * (glob)
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Verified * entries, * bytes in log (glob)
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Index "id" passed integrity check
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Checking roots at "*": (glob)
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Processing IndexedLog: * (glob)
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Verified 3 entries, 90 bytes in log
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Index "reverse" passed integrity check
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Checking blobs referred by 4 Roots:
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All Roots are verified.
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mutation:
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Processing IndexedLog: * (glob)
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Verified 0 entries, 12 bytes in log
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Index "pred" passed integrity check
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Index "succ" passed integrity check
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Index "split" passed integrity check
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segments/v1:
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Repairing MultiMeta Log:
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Processing IndexedLog: * (glob)
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Verified 5 entries, * bytes in log (glob)
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Index "reverse" passed integrity check
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Repairing Log idmap2
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Processing IndexedLog: * (glob)
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Verified 3 entries, * bytes in log (glob)
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Index "id" passed integrity check
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Index "group-name" passed integrity check
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Log idmap2 has valid length * after repair (glob)
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Repairing Log iddag
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Processing IndexedLog: * (glob)
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Verified 2 entries, * bytes in log (glob)
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Index "level-head" passed integrity check
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Index "group-parent-child" passed integrity check
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Log iddag has valid length * after repair (glob)
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MultiMeta is valid
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hgcommits/v1:
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Processing IndexedLog: * (glob)
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Verified 3 entries, 506 bytes in log
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Index "id" passed integrity check
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allheads:
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Processing IndexedLog: * (glob)
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Verified 0 entries, 12 bytes in log
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Index "node" passed integrity check
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revisionstore:
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Processing RotateLog: "*" (glob)
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Attempt to repair log "0"
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Processing IndexedLog: * (glob)
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Verified 0 entries, 12 bytes in log
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Index "node" passed integrity check
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Latest = 0
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Processing IndexedLog: * (glob)
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Verified 3 entries, 153 bytes in log
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Index "node" passed integrity check
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Processing RotateLog: "*" (glob)
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Attempt to repair log "0"
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Processing IndexedLog: * (glob)
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Verified 0 entries, 12 bytes in log
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Index "node" passed integrity check
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Index "sha256" passed integrity check
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Latest = 0
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Processing RotateLog: "*" (glob)
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Attempt to repair log "0"
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Processing IndexedLog: * (glob)
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Verified 0 entries, 12 bytes in log
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Index "sha256" passed integrity check
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Latest = 0
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Processing RotateLog: "*" (glob)
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Attempt to repair log "0"
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Processing IndexedLog: * (glob)
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Verified 0 entries, 12 bytes in log
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Index "node_and_path" passed integrity check
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Latest = 0
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Processing IndexedLog: * (glob)
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Verified 3 entries, 357 bytes in log
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Index "node_and_path" passed integrity check
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revisionstore:
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Processing RotateLog: "*" (glob)
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Attempt to repair log "0"
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Processing IndexedLog: * (glob)
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Verified 0 entries, 12 bytes in log
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Index "node" passed integrity check
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Latest = 0
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Processing IndexedLog: * (glob)
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Verified 3 entries, 373 bytes in log
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Index "node" passed integrity check
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Processing RotateLog: "*" (glob)
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Attempt to repair log "0"
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Processing IndexedLog: * (glob)
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Verified 0 entries, 12 bytes in log
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Index "node" passed integrity check
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Index "sha256" passed integrity check
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Latest = 0
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Processing RotateLog: "*" (glob)
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Attempt to repair log "0"
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Processing IndexedLog: * (glob)
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Verified 0 entries, 12 bytes in log
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Index "sha256" passed integrity check
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Latest = 0
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Processing RotateLog: "*" (glob)
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Attempt to repair log "0"
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Processing IndexedLog: * (glob)
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Verified 0 entries, 12 bytes in log
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Index "node_and_path" passed integrity check
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Latest = 0
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Processing IndexedLog: * (glob)
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Verified 3 entries, 348 bytes in log
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Index "node_and_path" passed integrity check
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checking commit references
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Check unknown visibleheads format:
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$ newrepo
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$ hg dbsh << 'EOS'
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> ml = repo.svfs.metalog
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> ml.set("visibleheads", b"v-1")
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> ml.commit("break visibleheads")
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> EOS
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$ hg doctor
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checking internal storage
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segments/v1: repaired (?)
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visibleheads: removed 0 heads, added tip
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checking commit references
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Check dirstate pointing to a stripped commit:
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$ newrepo abc
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$ echo 'A-B-C' | drawdag
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$ hg up -q 'desc(B)'
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$ hg up -q 'desc(C)'
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$ newrepo ab
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$ echo 'A-B' | drawdag
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(replace dirstate with A-B-C repo pointing to C to break it)
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$ cp "$TESTTMP/abc/.hg/dirstate" .hg/dirstate
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$ rm -rf .hg/treestate
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$ cp -R "$TESTTMP/abc/.hg/treestate" .hg/treestate
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(cannot resolve . since C does not exist)
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$ hg log -r . -T '{desc}\n'
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warning: failed to inspect working copy parent
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abort: 00changelog.i@26805aba1e60: no node!
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[255]
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(hg doctor can fix dirstate/treestate)
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$ hg doctor
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checking internal storage
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treestate: repaired
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checking commit references
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(repaired to the previous checkout "B")
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$ hg log -r . -T '{desc}\n'
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B
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Try other kinds of dirstate corruptions:
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>>> with open(".hg/dirstate", "rb+") as f:
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... x = f.seek(0)
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... x = f.write(b"x" * 1024)
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$ hg log -r . -T '{desc}\n'
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warning: failed to inspect working copy parent
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abort: cannot initialize working copy: missing treestate fields on dirstate
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[255]
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$ hg doctor
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checking internal storage
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treestate: repaired
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checking commit references
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$ hg log -r . -T '{desc}\n'
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B
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Prepare new server repos
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$ newserver server
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$ clone server client1
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$ cd client1
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$ drawdag << 'EOS'
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> B
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> |
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> A
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> EOS
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$ hg push -r $A --to master --create -q
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Test fixing master bookmark. Need the metalog (contains remotenames) to point
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to commits unknown to the changelog. To do it, we "fork" the repo, and "pull"
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on the forked repo, then replace the metalog from the old repo with the metalog
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in the new repo, while keeping changelog unchanged.
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$ cd $TESTTMP
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$ clone server client2
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$ hg push --cwd client1 -r $B --to master -q
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$ cp -R client2 client3
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$ hg pull --cwd client3 -q
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# Wipe it first, due to OSX disliking copying over symlinks
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$ rm -rf client2/.hg/store/metalog
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$ cp -R client3/.hg/store/metalog client2/.hg/store/metalog
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$ cd client2
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$ hg doctor
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checking internal storage
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checking commit references
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remote/master points to an unknown commit - trying to move it to a known commit
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setting remote/master to 426bada5c67598ca65036d57d9e4b64b0c1ce7a0
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checking irrelevant draft branches for the workspace 'user/test/default'
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$ hg log -GT '{desc}\n'
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@ A
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Test fixing broken segmented changelog (broken mutimeta)
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$ newrepo
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$ hg debugchangelog --migrate fullsegments
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$ drawdag << 'EOS'
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> B
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> |
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> A
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> EOS
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$ rm .hg/store/segments/v1/multimeta .hg/store/segments/v1/multimetalog/meta
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$ touch .hg/store/segments/v1/multimeta .hg/store/segments/v1/multimetalog/meta
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$ hg log -r tip 2>/dev/null 1>/dev/null
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$ hg doctor
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checking internal storage
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checking commit references
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$ hg log -r tip -T '{desc}\n'
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B
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doctor should not remove draft for a segmented changelog repo
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$ newrepo
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$ hg debugchangelog --migrate fullsegments
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$ drawdag << 'EOS'
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> A B
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> EOS
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$ hg doctor
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checking internal storage
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checking commit references
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$ hg log -r 'all()' -T '{desc}'
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AB (no-eol)
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