mirror of
https://github.com/facebook/sapling.git
synced 2024-10-06 14:58:03 +03:00
643e69e045
Summary: Computing delta force the client to have the previous version locally, which it may not have, forcing a full fetch of the blob, to then compute a delta. Since delta are a way to save on bandwidth usage, fetching a blob to compute it negate its benefits. Reviewed By: DurhamG Differential Revision: D20999424 fbshipit-source-id: ae958bb71e6a16cfc77f9ccebd82eec00ffda0db
256 lines
7.1 KiB
Perl
256 lines
7.1 KiB
Perl
#require py2
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$ disable treemanifest
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$ . "$TESTDIR/library.sh"
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$ setconfig devel.print-metrics=1
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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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$ hg commit -qAm x
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$ cd ..
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$ hgcloneshallow ssh://user@dummy/master shallow -q
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1 files fetched over 1 fetches - (1 misses, 0.00% hit ratio) over *s (glob) (?)
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{ metrics : { ssh : { connections : 2,
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getpack : { calls : 1, revs : 1},
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read : { bytes : 1518},
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write : { bytes : 788}}}}
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$ hgcloneshallow ssh://user@dummy/master shallow2 -q
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{ metrics : { ssh : { connections : 1,
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read : { bytes : 903},
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write : { bytes : 641}}}}
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We should see the remotefilelog capability here, which advertises that
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the server supports our custom getfiles method.
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$ cd master
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$ echo 'hello' | hg -R . serve --stdio
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* (glob)
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capabilities: lookup * remotefilelog getflogheads getfile (glob)
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$ echo 'capabilities' | hg -R . serve --stdio ; echo
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* (glob)
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* remotefilelog getflogheads getfile (glob)
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# pull to shallow from full
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$ echo y > y
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$ hg commit -qAm y
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$ cd ../shallow
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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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added 1 changesets with 0 changes to 0 files
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{ metrics : { ssh : { connections : 1,
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read : { bytes : 1019},
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write : { bytes : 618}}}}
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$ hg up
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1 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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{ metrics : { ssh : { connections : 1,
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getpack : { calls : 1, revs : 1},
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read : { bytes : 615},
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write : { bytes : 147}}}}
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$ cat y
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y
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$ cd ..
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# pull from shallow to shallow (local)
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$ cd shallow
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$ echo z > z
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$ hg commit -qAm z
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$ echo x >> x
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$ echo y >> y
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$ hg commit -qAm xxyy
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$ cd ../shallow2
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$ clearcache
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$ hg pull ../shallow
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pulling from ../shallow
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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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added 3 changesets with 3 changes to 3 files
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4 files fetched over 2 fetches - (4 misses, 0.00% hit ratio) over 0.00s (?)
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{ metrics : { ssh : { connections : 2,
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getpack : { calls : 2, revs : 4},
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read : { bytes : 1516},
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write : { bytes : 348}}}}
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# pull from shallow to shallow (ssh)
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$ hg debugstrip -r 1
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saved backup bundle to $TESTTMP/shallow2/.hg/strip-backup/d34c38483be9-89d325c9-backup.hg (glob)
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$ hg pull ssh://user@dummy/$TESTTMP/shallow --config remotefilelog.cachepath=${CACHEDIR}2
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pulling from ssh://user@dummy/$TESTTMP/shallow
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searching for changes
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adding changesets
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adding manifests
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adding file changes
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added 3 changesets with 3 changes to 3 files
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2 files fetched over 1 fetches - (2 misses, 0.00% hit ratio) over *s (glob) (?)
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{ metrics : { ssh : { connections : 2,
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getpack : { calls : 1, revs : 2},
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read : { bytes : 2929},
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write : { bytes : 792}}}}
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$ hg up
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3 files updated, 0 files merged, 0 files removed, 0 files unresolved
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$ cat z
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z
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$ hg -R ../shallow debugstrip -qr 3
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$ hg debugstrip -qr 3
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$ cd ..
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# push from shallow to shallow
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$ cd shallow
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$ echo a > a
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$ hg commit -qAm a
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$ hg push ssh://user@dummy/$TESTTMP/shallow2
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pushing to ssh://user@dummy/$TESTTMP/shallow2
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searching for changes
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remote: adding changesets
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remote: adding manifests
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remote: adding file changes
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remote: added 1 changesets with 1 changes to 1 files
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{ metrics : { ssh : { connections : 1,
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read : { bytes : 692},
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write : { bytes : 1045}}}}
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$ cd ../shallow2
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$ hg up
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1 files updated, 0 files merged, 0 files removed, 0 files unresolved
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$ cat a
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a
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# verify files are read-only
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$ ls_l .hg/store/packs
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-r--r--r-- 1117 81951d0ada20768783a3ca0ba3b2042b29cf4fd3.histidx
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-r--r--r-- 90 81951d0ada20768783a3ca0ba3b2042b29cf4fd3.histpack
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-r--r--r-- 1267 da7820d2df8fa4ee2f5a0a281825e3c99bf1767f.histidx
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-r--r--r-- 268 da7820d2df8fa4ee2f5a0a281825e3c99bf1767f.histpack
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-r--r--r-- 1154 e2dde3565e426bfb44f88e531d5a5e8333ec3876.dataidx
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-r--r--r-- 191 e2dde3565e426bfb44f88e531d5a5e8333ec3876.datapack
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-r--r--r-- 1074 fea0528e5e8268df06cd40c39230727aff9901eb.dataidx
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-r--r--r-- 63 fea0528e5e8268df06cd40c39230727aff9901eb.datapack
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$ cd ..
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# push from shallow to full
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$ cd shallow
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$ hg push
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pushing to ssh://user@dummy/master
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searching for changes
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remote: adding changesets
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remote: adding manifests
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remote: adding file changes
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remote: added 2 changesets with 2 changes to 2 files
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{ metrics : { ssh : { connections : 1,
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read : { bytes : 658},
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write : { bytes : 1562}}}}
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$ cd ../master
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$ hg log -l 1 --style compact
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3 1489bbbc46f0 1970-01-01 00:00 +0000 test
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a
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$ hg up
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2 files updated, 0 files merged, 0 files removed, 0 files unresolved
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$ cat a
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a
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# push public commits
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$ cd ../shallow
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$ echo p > p
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$ hg commit -qAm p
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$ hg phase -f -p -r .
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$ echo d > d
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$ hg commit -qAm d
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$ cd ../shallow2
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$ hg pull ../shallow
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pulling from ../shallow
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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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added 2 changesets with 1 changes to 1 files
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$ cd ..
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# Test pushing from shallow to shallow with multiple manifests introducing the
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# same filenode. Test this by constructing two separate histories of file 'c'
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# that share a file node and verifying that the history works after pushing.
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$ hginit multimf-master
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$ hgcloneshallow ssh://user@dummy/multimf-master multimf-shallow -q
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{ metrics : { ssh : { connections : 1,
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read : { bytes : 559},
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write : { bytes : 562}}}}
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$ hgcloneshallow ssh://user@dummy/multimf-master multimf-shallow2 -q
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{ metrics : { ssh : { connections : 1,
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read : { bytes : 559},
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write : { bytes : 562}}}}
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$ cd multimf-shallow
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$ echo a > a
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$ hg commit -qAm a
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$ echo b > b
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$ hg commit -qAm b
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$ echo c > c
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$ hg commit -qAm c1
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$ hg up -q 0
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$ echo c > c
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$ hg commit -qAm c2
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$ echo cc > c
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$ hg commit -qAm c22
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$ hg log -G -T '{rev} {desc}\n'
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@ 4 c22
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o 3 c2
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| o 2 c1
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| o 1 b
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|/
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o 0 a
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$ cd ../multimf-shallow2
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- initial commit to prevent hg pull from being a clone
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$ echo z > z && hg commit -qAm z
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$ hg pull -f ssh://user@dummy/$TESTTMP/multimf-shallow
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pulling from ssh://user@dummy/$TESTTMP/multimf-shallow
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searching for changes
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warning: repository is unrelated
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requesting all changes
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adding changesets
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adding manifests
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adding file changes
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added 5 changesets with 4 changes to 3 files
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{ metrics : { ssh : { connections : 1,
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read : { bytes : 2951},
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write : { bytes : 659}}}}
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$ hg up -q 5
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$ hg log -f -T '{rev}\n' c
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5
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4
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