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#require no-windows
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$ . "$TESTDIR/remotefilelog-library.sh"
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$ hg init 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 z > z
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$ hg commit -qAm x
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$ echo x2 > x
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$ echo y > y
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$ hg commit -qAm y
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$ hg bookmark foo
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$ cd ..
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# prefetch a revision
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$ hgcloneshallow ssh://user@dummy/master shallow --noupdate
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streaming all changes
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2 files to transfer, 528 bytes of data (no-zstd !)
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transferred 528 bytes in * seconds (* */sec) (glob) (no-zstd !)
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2 files to transfer, 532 bytes of data (zstd !)
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transferred 532 bytes in * seconds (* */sec) (glob) (zstd !)
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searching for changes
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no changes found
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$ cd shallow
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$ hg prefetch -r 0
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2 files fetched over 1 fetches - (2 misses, 0.00% hit ratio) over *s (glob)
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$ hg cat -r 0 x
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x
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# prefetch with base
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$ clearcache
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$ hg prefetch -r 0::1 -b 0
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2 files fetched over 1 fetches - (2 misses, 0.00% hit ratio) over *s (glob)
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$ hg cat -r 1 x
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x2
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$ hg cat -r 1 y
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y
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$ hg cat -r 0 x
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x
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1 files fetched over 1 fetches - (1 misses, 0.00% hit ratio) over *s (glob)
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$ hg cat -r 0 z
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z
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1 files fetched over 1 fetches - (1 misses, 0.00% hit ratio) over *s (glob)
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$ hg prefetch -r 0::1 --base 0
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$ hg prefetch -r 0::1 -b 1
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$ hg prefetch -r 0::1
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# prefetch a range of revisions
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$ clearcache
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$ hg prefetch -r 0::1
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4 files fetched over 1 fetches - (4 misses, 0.00% hit ratio) over *s (glob)
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$ hg cat -r 0 x
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x
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$ hg cat -r 1 x
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x2
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# prefetch certain files
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$ clearcache
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$ hg prefetch -r 1 x
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1 files fetched over 1 fetches - (1 misses, 0.00% hit ratio) over *s (glob)
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$ hg cat -r 1 x
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x2
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$ hg cat -r 1 y
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y
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1 files fetched over 1 fetches - (1 misses, 0.00% hit ratio) over *s (glob)
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# prefetch on pull when configured
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$ printf "[remotefilelog]\npullprefetch=bookmark()\n" >> .hg/hgrc
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$ hg strip tip
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saved backup bundle to $TESTTMP/shallow/.hg/strip-backup/109c3a557a73-3f43405e-backup.hg (glob)
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1 files fetched over 1 fetches - (1 misses, 0.00% hit ratio) over *s (glob)
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$ clearcache
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$ hg pull
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pulling from ssh://user@dummy/master
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searching for changes
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adding changesets
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adding manifests
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adding file changes
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updating bookmark foo
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added 1 changesets with 0 changes to 0 files
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new changesets 109c3a557a73
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(run 'hg update' to get a working copy)
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prefetching file contents
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3 files fetched over 1 fetches - (3 misses, 0.00% hit ratio) over *s (glob)
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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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# prefetch only fetches changes not in working copy
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$ hg strip tip
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1 files updated, 0 files merged, 1 files removed, 0 files unresolved
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saved backup bundle to $TESTTMP/shallow/.hg/strip-backup/109c3a557a73-3f43405e-backup.hg (glob)
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1 files fetched over 1 fetches - (1 misses, 0.00% hit ratio) over *s (glob)
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$ clearcache
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$ hg pull
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pulling from ssh://user@dummy/master
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searching for changes
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adding changesets
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adding manifests
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adding file changes
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updating bookmark foo
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added 1 changesets with 0 changes to 0 files
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new changesets 109c3a557a73
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(run 'hg update' to get a working copy)
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prefetching file contents
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2 files fetched over 1 fetches - (2 misses, 0.00% hit ratio) over *s (glob)
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# Make some local commits that produce the same file versions as are on the
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# server. To simulate a situation where we have local commits that were somehow
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# pushed, and we will soon pull.
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$ hg prefetch -r 'all()'
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2 files fetched over 1 fetches - (2 misses, 0.00% hit ratio) over *s (glob)
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$ hg strip -q -r 0
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$ echo x > x
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$ echo z > z
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$ hg commit -qAm x
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$ echo x2 > x
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$ echo y > y
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$ hg commit -qAm y
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# prefetch server versions, even if local versions are available
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$ clearcache
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$ hg strip -q tip
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$ hg pull
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pulling from ssh://user@dummy/master
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searching for changes
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adding changesets
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adding manifests
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adding file changes
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updating bookmark foo
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added 1 changesets with 0 changes to 0 files
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new changesets 109c3a557a73
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1 local changesets published (?)
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(run 'hg update' to get a working copy)
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prefetching file contents
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2 files fetched over 1 fetches - (2 misses, 0.00% hit ratio) over *s (glob)
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$ cd ..
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# Prefetch unknown files during checkout
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$ hgcloneshallow ssh://user@dummy/master shallow2
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streaming all changes
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2 files to transfer, 528 bytes of data (no-zstd !)
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transferred 528 bytes in * seconds * (glob) (no-zstd !)
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2 files to transfer, 532 bytes of data (zstd !)
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transferred 532 bytes in * seconds (* */sec) (glob) (zstd !)
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searching for changes
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no changes found
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updating to branch default
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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 * (glob)
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$ cd shallow2
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$ hg up -q null
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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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$ clearcache
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$ hg up tip
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x: untracked file differs
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3 files fetched over 1 fetches - (3 misses, 0.00% hit ratio) over * (glob)
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abort: untracked files in working directory differ from files in requested revision
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[20]
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$ hg revert --all
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# Test batch fetching of lookup files during hg status
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$ hg up --clean tip
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3 files updated, 0 files merged, 0 files removed, 0 files unresolved
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$ hg debugrebuilddirstate
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$ clearcache
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$ hg status
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3 files fetched over 1 fetches - (3 misses, 0.00% hit ratio) over * (glob)
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# Prefetch during addrename detection
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$ hg up -q --clean tip
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$ hg revert --all
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$ mv x x2
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$ mv y y2
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$ mv z z2
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$ echo a > a
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$ hg add a
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$ rm a
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$ clearcache
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$ hg addremove -s 50 > /dev/null
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3 files fetched over 1 fetches - (3 misses, 0.00% hit ratio) over * (glob)
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$ hg revert --all
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forgetting x2
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forgetting y2
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forgetting z2
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undeleting x
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undeleting y
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undeleting z
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# Revert across double renames. Note: the scary "abort", error is because
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# https://bz.mercurial-scm.org/5419 .
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$ cd ../master
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$ hg mv z z2
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$ hg commit -m 'move z -> z2'
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$ cd ../shallow2
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$ hg pull -q
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$ clearcache
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$ hg mv y y2
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y2: not overwriting - file exists
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('hg rename --after' to record the rename)
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[1]
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$ hg mv x x2
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x2: not overwriting - file exists
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('hg rename --after' to record the rename)
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[1]
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$ hg mv z2 z3
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z2: not copying - file is not managed
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abort: no files to copy
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(maybe you meant to use --after --at-rev=.)
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[10]
|
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$ find $CACHEDIR -type f | sort
|
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|
.. The following output line about files fetches is globed because it is
|
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|
.. flaky, the core the test is checked when checking the cache dir, so
|
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|
.. hopefully this flakyness is not hiding any actual bug.
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$ hg revert -a -r 1 || true
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? files fetched over 1 fetches - (? misses, 0.00% hit ratio) over * (glob)
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abort: z2@109c3a557a73: not found in manifest (?)
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$ find $CACHEDIR -type f | sort
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|
$TESTTMP/hgcache/master/11/f6ad8ec52a2984abaafd7c3b516503785c2072/ef95c5376f34698742fe34f315fd82136f8f68c0
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|
$TESTTMP/hgcache/master/39/5df8f7c51f007019cb30201c49e884b46b92fa/69a1b67522704ec122181c0890bd16e9d3e7516a
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|
$TESTTMP/hgcache/master/95/cb0bfd2977c761298d9624e4b4d4c72a39974a/076f5e2225b3ff0400b98c92aa6cdf403ee24cca
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|
$TESTTMP/hgcache/repos
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|
|
|
# warning when we have excess remotefilelog fetching
|
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|
|
|
|
$ cat > repeated_fetch.py << EOF
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> import binascii
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|
> from mercurial import extensions, registrar
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> cmdtable = {}
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|
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> command = registrar.command(cmdtable)
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> @command(b'repeated-fetch', [], b'', inferrepo=True)
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> def repeated_fetch(ui, repo, *args, **opts):
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> for i in range(20):
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> try:
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> hexid = (b'%02x' % (i + 1)) * 20
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> repo.fileservice.prefetch([(b'somefile.txt', hexid)])
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> except Exception:
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> pass
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> EOF
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We should only output to the user once. We're ignoring most of the output
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because we're not actually fetching anything real here, all the hashes are
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bogus, so it's just going to be errors and a final summary of all the misses.
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$ hg --config extensions.repeated_fetch=repeated_fetch.py \
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> --config remotefilelog.fetchwarning="fetch warning!" \
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> --config extensions.blackbox= \
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> repeated-fetch 2>&1 | grep 'fetch warning'
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fetch warning!
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We should output to blackbox three times, with a stack trace on each (though
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that isn't tested here).
|
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|
$ grep 'excess remotefilelog fetching' .hg/blackbox.log
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|
|
.* excess remotefilelog fetching: (re)
|
|
|
.* excess remotefilelog fetching: (re)
|
|
|
.* excess remotefilelog fetching: (re)
|
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|
