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886a31ce5a
Summary: If remotefilelog server cache files are truncated, when the server returns these files to the client, the client will crash trying to decompress them. Detect truncated files and treat them as cache misses. Test Plan: Add unit test for truncated server cache files. Reviewers: #fbhgext, simonfar Reviewed By: #fbhgext, simonfar Differential Revision: https://phab.mercurial-scm.org/D170
74 lines
2.9 KiB
Perl
74 lines
2.9 KiB
Perl
$ PYTHONPATH=$TESTDIR/..:$PYTHONPATH
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$ export PYTHONPATH
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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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> EOF
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$ echo x > x
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$ echo y > y
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$ echo z > z
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$ hg commit -qAm xy
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$ cd ..
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$ hgcloneshallow ssh://user@dummy/master shallow -q
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3 files fetched over 1 fetches - (3 misses, 0.00% hit ratio) over *s (glob)
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$ cd shallow
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Verify corrupt cache handling repairs by default
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$ hg up -q null
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$ chmod u+w $CACHEDIR/master/11/f6ad8ec52a2984abaafd7c3b516503785c2072/1406e74118627694268417491f018a4a883152f0
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$ echo x > $CACHEDIR/master/11/f6ad8ec52a2984abaafd7c3b516503785c2072/1406e74118627694268417491f018a4a883152f0
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$ hg up tip
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3 files updated, 0 files merged, 0 files removed, 0 files unresolved
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1 files fetched over 1 fetches - (1 misses, 0.00% hit ratio) over *s (glob)
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Verify corrupt cache error message
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$ hg up -q null
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$ cat >> .hg/hgrc <<EOF
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> [remotefilelog]
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> validatecache=off
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> EOF
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$ chmod u+w $CACHEDIR/master/11/f6ad8ec52a2984abaafd7c3b516503785c2072/1406e74118627694268417491f018a4a883152f0
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$ echo x > $CACHEDIR/master/11/f6ad8ec52a2984abaafd7c3b516503785c2072/1406e74118627694268417491f018a4a883152f0
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$ hg up tip 2>&1 | egrep "^RuntimeError"
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RuntimeError: unexpected remotefilelog header: illegal format
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Verify detection and remediation when remotefilelog.validatecachelog is set
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$ cat >> .hg/hgrc <<EOF
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> [remotefilelog]
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> validatecachelog=$PWD/.hg/remotefilelog_cache.log
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> validatecache=strict
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> EOF
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$ chmod u+w $CACHEDIR/master/11/f6ad8ec52a2984abaafd7c3b516503785c2072/1406e74118627694268417491f018a4a883152f0
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$ echo x > $CACHEDIR/master/11/f6ad8ec52a2984abaafd7c3b516503785c2072/1406e74118627694268417491f018a4a883152f0
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$ hg up tip
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3 files updated, 0 files merged, 0 files removed, 0 files unresolved
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1 files fetched over 1 fetches - (1 misses, 0.00% hit ratio) over *s (glob)
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$ cat .hg/remotefilelog_cache.log
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corrupt $TESTTMP/hgcache/master/11/f6ad8ec52a2984abaafd7c3b516503785c2072/1406e74118627694268417491f018a4a883152f0 during contains
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Verify handling of corrupt server cache
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$ rm -f ../master/.hg/remotefilelogcache/y/076f5e2225b3ff0400b98c92aa6cdf403ee24cca
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$ touch ../master/.hg/remotefilelogcache/y/076f5e2225b3ff0400b98c92aa6cdf403ee24cca
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$ clearcache
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$ hg prefetch -r .
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3 files fetched over 1 fetches - (3 misses, 0.00% hit ratio) over *s (glob)
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$ test -s ../master/.hg/remotefilelogcache/y/076f5e2225b3ff0400b98c92aa6cdf403ee24cca
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$ hg debugremotefilelog $CACHEDIR/master/95/cb0bfd2977c761298d9624e4b4d4c72a39974a/076f5e2225b3ff0400b98c92aa6cdf403ee24cca
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size: 2 bytes
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path: $TESTTMP/hgcache/master/95/cb0bfd2977c761298d9624e4b4d4c72a39974a/076f5e2225b3ff0400b98c92aa6cdf403ee24cca
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key: 076f5e2225b3
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node => p1 p2 linknode copyfrom
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076f5e2225b3 => 000000000000 000000000000 f3d0bb0d1e48
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