Mercurial > hg
view tests/test-generaldelta.t @ 30190:56b930238036 stable
largefiles: more safe handling of interruptions while updating modifications
Largefiles are fragile with the design where dirstate and lfdirstate must be
kept in sync.
To be less fragile, mark all clean largefiles as unsure ("normallookup") before
updating standins. After standins have been updated and we know exactly which
largefile standins actually was changed, mark the unchanged largefiles back to
clean ("normal").
This will make the failure mode more safe. If interrupted, the next command
will continue to perform extra hashing of all largefiles. That will do that all
largefiles that are out of sync with their standin will be marked dirty and
they will show up in status and can be cleaned with update --clean.
author | Mads Kiilerich <madski@unity3d.com> |
---|---|
date | Sun, 16 Oct 2016 02:29:45 +0200 |
parents | 953839de96ab |
children | 318a24b52eeb |
line wrap: on
line source
Check whether size of generaldelta revlog is not bigger than its regular equivalent. Test would fail if generaldelta was naive implementation of parentdelta: third manifest revision would be fully inserted due to big distance from its paren revision (zero). $ hg init repo --config format.generaldelta=no --config format.usegeneraldelta=no $ cd repo $ echo foo > foo $ echo bar > bar $ echo baz > baz $ hg commit -q -Am boo $ hg clone --pull . ../gdrepo -q --config format.generaldelta=yes $ for r in 1 2 3; do > echo $r > foo > hg commit -q -m $r > hg up -q -r 0 > hg pull . -q -r $r -R ../gdrepo > done $ cd .. >>> from __future__ import print_function >>> import os >>> regsize = os.stat("repo/.hg/store/00manifest.i").st_size >>> gdsize = os.stat("gdrepo/.hg/store/00manifest.i").st_size >>> if regsize < gdsize: ... print('generaldata increased size of manifest') Verify rev reordering doesnt create invalid bundles (issue4462) This requires a commit tree that when pulled will reorder manifest revs such that the second manifest to create a file rev will be ordered before the first manifest to create that file rev. We also need to do a partial pull to ensure reordering happens. At the end we verify the linkrev points at the earliest commit. $ hg init server --config format.generaldelta=True $ cd server $ touch a $ hg commit -Aqm a $ echo x > x $ echo y > y $ hg commit -Aqm xy $ hg up -q '.^' $ echo x > x $ echo z > z $ hg commit -Aqm xz $ hg up -q 1 $ echo b > b $ hg commit -Aqm b $ hg merge -q 2 $ hg commit -Aqm merge $ echo c > c $ hg commit -Aqm c $ hg log -G -T '{rev} {shortest(node)} {desc}' @ 5 ebb8 c | o 4 baf7 merge |\ | o 3 a129 b | | o | 2 958c xz | | | o 1 f00c xy |/ o 0 3903 a $ cd .. $ hg init client --config format.generaldelta=false --config format.usegeneraldelta=false $ cd client $ hg pull -q ../server -r 4 $ hg debugindex x rev offset length base linkrev nodeid p1 p2 0 0 3 0 1 1406e7411862 000000000000 000000000000 $ cd .. Test "usegeneraldelta" config (repo are general delta, but incoming bundle are not re-deltified) delta coming from the server base delta server are not recompressed. (also include the aggressive version for comparison) $ hg clone repo --pull --config format.usegeneraldelta=1 usegd requesting all changes adding changesets adding manifests adding file changes added 4 changesets with 6 changes to 3 files (+2 heads) updating to branch default 3 files updated, 0 files merged, 0 files removed, 0 files unresolved $ hg clone repo --pull --config format.generaldelta=1 full requesting all changes adding changesets adding manifests adding file changes added 4 changesets with 6 changes to 3 files (+2 heads) updating to branch default 3 files updated, 0 files merged, 0 files removed, 0 files unresolved $ hg -R repo debugindex -m rev offset length base linkrev nodeid p1 p2 0 0 104 0 0 cef96823c800 000000000000 000000000000 1 104 57 0 1 58ab9a8d541d cef96823c800 000000000000 2 161 57 0 2 134fdc6fd680 cef96823c800 000000000000 3 218 104 3 3 723508934dad cef96823c800 000000000000 $ hg -R usegd debugindex -m rev offset length delta linkrev nodeid p1 p2 0 0 104 -1 0 cef96823c800 000000000000 000000000000 1 104 57 0 1 58ab9a8d541d cef96823c800 000000000000 2 161 57 1 2 134fdc6fd680 cef96823c800 000000000000 3 218 57 0 3 723508934dad cef96823c800 000000000000 $ hg -R full debugindex -m rev offset length delta linkrev nodeid p1 p2 0 0 104 -1 0 cef96823c800 000000000000 000000000000 1 104 57 0 1 58ab9a8d541d cef96823c800 000000000000 2 161 57 0 2 134fdc6fd680 cef96823c800 000000000000 3 218 57 0 3 723508934dad cef96823c800 000000000000 Test format.aggressivemergedeltas $ hg init --config format.generaldelta=1 aggressive $ cd aggressive $ cat << EOF >> .hg/hgrc > [format] > generaldelta = 1 > EOF $ touch a b c d e $ hg commit -Aqm side1 $ hg up -q null $ touch x y $ hg commit -Aqm side2 - Verify non-aggressive merge uses p1 (commit 1) as delta parent $ hg merge -q 0 $ hg commit -q -m merge $ hg debugindex -m rev offset length delta linkrev nodeid p1 p2 0 0 59 -1 0 8dde941edb6e 000000000000 000000000000 1 59 61 0 1 315c023f341d 000000000000 000000000000 2 120 65 1 2 2ab389a983eb 315c023f341d 8dde941edb6e $ hg strip -q -r . --config extensions.strip= - Verify aggressive merge uses p2 (commit 0) as delta parent $ hg up -q -C 1 $ hg merge -q 0 $ hg commit -q -m merge --config format.aggressivemergedeltas=True $ hg debugindex -m rev offset length delta linkrev nodeid p1 p2 0 0 59 -1 0 8dde941edb6e 000000000000 000000000000 1 59 61 0 1 315c023f341d 000000000000 000000000000 2 120 62 0 2 2ab389a983eb 315c023f341d 8dde941edb6e Test that strip bundle use bundle2 $ hg --config extensions.strip= strip . 0 files updated, 0 files merged, 5 files removed, 0 files unresolved saved backup bundle to $TESTTMP/aggressive/.hg/strip-backup/1c5d4dc9a8b8-6c68e60c-backup.hg (glob) $ hg debugbundle .hg/strip-backup/* Stream params: sortdict([('Compression', 'BZ')]) changegroup -- "sortdict([('version', '02'), ('nbchanges', '1')])" 1c5d4dc9a8b8d6e1750966d343e94db665e7a1e9 $ cd ..