Mercurial > hg
view tests/test-clone-stream.t @ 51656:21442f87f7fa stable
mmap: only use mmap to read revlog persistent nodemap if it is safe
Cf `is_mmap_safe` docstring.
author | Pierre-Yves David <pierre-yves.david@octobus.net> |
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date | Wed, 03 Jul 2024 12:32:57 +0200 |
parents | 2e8a88e5809f |
children |
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#require serve no-reposimplestore no-chg #testcases stream-legacy stream-bundle2-v2 stream-bundle2-v3 #if stream-legacy $ cat << EOF >> $HGRCPATH > [server] > bundle2.stream = no > [format] > # persistent nodemap is too broken with legacy format, > # however client with nodemap support will have better stream support. > use-persistent-nodemap=no > EOF #endif #if stream-bundle2-v3 $ cat << EOF >> $HGRCPATH > [experimental] > stream-v3 = yes > EOF #endif Initialize repository $ hg init server $ cd server $ sh $TESTDIR/testlib/stream_clone_setup.sh adding 00changelog-ab349180a0405010.nd adding 00changelog.d adding 00changelog.i adding 00changelog.n adding 00manifest.d adding 00manifest.i adding container/isam-build-centos7/bazel-coverage-generator-sandboxfs-compatibility-0758e3e4f6057904d44399bd666faba9e7f40686.patch adding data/foo.d adding data/foo.i adding data/foo.n adding data/undo.babar adding data/undo.d adding data/undo.foo.d adding data/undo.foo.i adding data/undo.foo.n adding data/undo.i adding data/undo.n adding data/undo.py adding foo.d adding foo.i adding foo.n adding meta/foo.d adding meta/foo.i adding meta/foo.n adding meta/undo.babar adding meta/undo.d adding meta/undo.foo.d adding meta/undo.foo.i adding meta/undo.foo.n adding meta/undo.i adding meta/undo.n adding meta/undo.py adding savanah/foo.d adding savanah/foo.i adding savanah/foo.n adding savanah/undo.babar adding savanah/undo.d adding savanah/undo.foo.d adding savanah/undo.foo.i adding savanah/undo.foo.n adding savanah/undo.i adding savanah/undo.n adding savanah/undo.py adding store/C\xc3\xa9lesteVille_is_a_Capital_City (esc) adding store/foo.d adding store/foo.i adding store/foo.n adding store/undo.babar adding store/undo.d adding store/undo.foo.d adding store/undo.foo.i adding store/undo.foo.n adding store/undo.i adding store/undo.n adding store/undo.py adding undo.babar adding undo.d adding undo.foo.d adding undo.foo.i adding undo.foo.n adding undo.i adding undo.n adding undo.py $ hg --config server.uncompressed=false serve -p $HGPORT -d --pid-file=hg.pid $ cat hg.pid > $DAEMON_PIDS $ cd .. Check local clone ================== The logic is close enough of uncompressed. This is present here to reuse the testing around file with "special" names. $ hg clone server local-clone updating to branch default 1088 files updated, 0 files merged, 0 files removed, 0 files unresolved Check that the clone went well $ hg verify -R local-clone -q Check uncompressed ================== Cannot stream clone when server.uncompressed is set to false ------------------------------------------------------------ When `server.uncompressed` is disabled, the client should fallback to a bundle based clone with a warning. $ get-with-headers.py $LOCALIP:$HGPORT '?cmd=stream_out' 200 Script output follows 1 $ hg debugcapabilities http://localhost:$HGPORT Main capabilities: batch branchmap $USUAL_BUNDLE2_CAPS_SERVER$ changegroupsubset compression=$BUNDLE2_COMPRESSIONS$ getbundle httpheader=1024 httpmediatype=0.1rx,0.1tx,0.2tx known lookup pushkey unbundle=HG10GZ,HG10BZ,HG10UN unbundlehash Bundle2 capabilities: HG20 bookmarks changegroup 01 02 03 checkheads related digests md5 sha1 sha512 error abort unsupportedcontent pushraced pushkey hgtagsfnodes listkeys phases heads pushkey remote-changegroup http https $ hg clone --stream -U http://localhost:$HGPORT server-disabled warning: stream clone requested but server has them disabled requesting all changes adding changesets adding manifests adding file changes added 3 changesets with 1088 changes to 1088 files new changesets 96ee1d7354c4:5223b5e3265f $ killdaemons.py $ cd server $ hg serve -p $HGPORT -d --pid-file=hg.pid --error errors.txt $ cat hg.pid > $DAEMON_PIDS $ cd .. Basic clone ----------- Check that --stream trigger a stream clone and result in a valid repositoty We check the associated output for exact bytes on file number as changes in these value implies changes in the data transfered and can detect unintended changes in the process. #if stream-legacy $ hg clone --stream -U http://localhost:$HGPORT clone1 streaming all changes 1091 files to transfer, 102 KB of data (no-zstd !) transferred 102 KB in * seconds (* */sec) (glob) (no-zstd !) 1091 files to transfer, 98.8 KB of data (zstd !) transferred 98.8 KB in * seconds (* */sec) (glob) (zstd !) searching for changes no changes found #endif #if stream-bundle2-v2 $ hg clone --stream -U http://localhost:$HGPORT clone1 streaming all changes 1094 files to transfer, 102 KB of data (no-zstd !) transferred 102 KB in * seconds (* */sec) (glob) (no-zstd !) 1094 files to transfer, 98.9 KB of data (zstd no-rust !) transferred 98.9 KB in * seconds (* */sec) (glob) (zstd no-rust !) 1096 files to transfer, 99.0 KB of data (zstd rust !) transferred 99.0 KB in * seconds (* */sec) (glob) (zstd rust !) #endif #if stream-bundle2-v3 $ hg clone --stream -U http://localhost:$HGPORT clone1 streaming all changes 1093 entries to transfer transferred 102 KB in * seconds (* */sec) (glob) (no-zstd !) transferred 98.9 KB in * seconds (* */sec) (glob) (zstd no-rust !) transferred 99.0 KB in * seconds (* */sec) (glob) (zstd rust !) #endif #if no-stream-legacy $ ls -1 clone1/.hg/cache branch2-base branch2-served rbc-names-v1 rbc-revs-v1 tags2 tags2-served #endif $ hg -R clone1 verify --quiet $ cat server/errors.txt getbundle requests with stream=1 are uncompressed ------------------------------------------------- We check that `getbundle` will return a stream bundle when requested. XXX manually building the --requestheader is fragile and will drift away from actual usage $ get-with-headers.py $LOCALIP:$HGPORT '?cmd=getbundle' content-type --bodyfile body --hgproto '0.1 0.2 comp=zlib,none' --requestheader "x-hgarg-1=bundlecaps=HG20%2Cbundle2%3DHG20%250Abookmarks%250Achangegroup%253D01%252C02%252C03%250Adigests%253Dmd5%252Csha1%252Csha512%250Aerror%253Dabort%252Cunsupportedcontent%252Cpushraced%252Cpushkey%250Ahgtagsfnodes%250Alistkeys%250Aphases%253Dheads%250Apushkey%250Aremote-changegroup%253Dhttp%252Chttps%250Astream%253Dv2&cg=0&common=0000000000000000000000000000000000000000&heads=c17445101a72edac06facd130d14808dfbd5c7c2&stream=1" 200 Script output follows content-type: application/mercurial-0.2 $ f --size --hex --bytes 48 body body: size=* (glob) 0000: 04 6e 6f 6e 65 48 47 32 30 00 00 00 00 00 00 00 |.noneHG20.......| 0010: ?? 07 53 54 52 45 41 4d 32 00 00 00 00 03 00 09 |?.STREAM2.......| (glob) 0020: 06 09 04 0c ?? 62 79 74 65 63 6f 75 6e 74 31 30 |....?bytecount10| (glob) --uncompressed is an alias to --stream --------------------------------------- The alias flag should trigger a stream clone too. $ hg clone --uncompressed -U http://localhost:$HGPORT clone1-uncompressed streaming all changes * files to transfer* (glob) (no-stream-bundle2-v3 !) * entries to transfer (glob) (stream-bundle2-v3 !) transferred * KB in * seconds (* */sec) (glob) searching for changes (stream-legacy !) no changes found (stream-legacy !) Clone with background file closing enabled ------------------------------------------- The backgound file closing logic should trigger when configured to do so, and the result should be a valid repository. $ hg --debug --config worker.backgroundclose=true --config worker.backgroundcloseminfilecount=1 clone --stream -U http://localhost:$HGPORT clone-background | grep "background file closing" starting 4 threads for background file closing starting 4 threads for background file closing (no-stream-legacy !) $ hg verify -R clone-background --quiet Cannot stream clone when there are secret changesets ---------------------------------------------------- If secret changeset are present the should not be cloned (by default) and the clone falls back to a bundle clone. $ hg -R server phase --force --secret -r tip $ hg clone --stream -U http://localhost:$HGPORT secret-denied warning: stream clone requested but server has them disabled requesting all changes adding changesets adding manifests adding file changes added 2 changesets with 1025 changes to 1025 files new changesets 96ee1d7354c4:c17445101a72 $ killdaemons.py Streaming of secrets can be overridden by server config ------------------------------------------------------- Secret changeset can still be streamed if the server is configured to do so. $ cd server $ hg serve --config server.uncompressedallowsecret=true -p $HGPORT -d --pid-file=hg.pid $ cat hg.pid > $DAEMON_PIDS $ cd .. $ hg clone --stream -U http://localhost:$HGPORT secret-allowed streaming all changes * files to transfer* (glob) (no-stream-bundle2-v3 !) * entries to transfer (glob) (stream-bundle2-v3 !) transferred * KB in * seconds (* */sec) (glob) searching for changes (stream-legacy !) no changes found (stream-legacy !) $ killdaemons.py Verify interaction between preferuncompressed and secret presence ----------------------------------------------------------------- Secret presence will still make the clone falls back to a normal bundle even if the server prefers stream clone. $ cd server $ hg serve --config server.preferuncompressed=true -p $HGPORT -d --pid-file=hg.pid $ cat hg.pid > $DAEMON_PIDS $ cd .. $ hg clone -U http://localhost:$HGPORT preferuncompressed-secret requesting all changes adding changesets adding manifests adding file changes added 2 changesets with 1025 changes to 1025 files new changesets 96ee1d7354c4:c17445101a72 $ killdaemons.py Clone not allowed when full bundles disabled and can't serve secrets -------------------------------------------------------------------- The clone should fail as no valid option is found. $ cd server $ hg serve --config server.disablefullbundle=true -p $HGPORT -d --pid-file=hg.pid $ cat hg.pid > $DAEMON_PIDS $ cd .. $ hg clone --stream http://localhost:$HGPORT secret-full-disabled warning: stream clone requested but server has them disabled requesting all changes remote: abort: server has pull-based clones disabled abort: pull failed on remote (remove --pull if specified or upgrade Mercurial) [100] Local stream clone with secrets involved ---------------------------------------- (This is just a test over behavior: if you have access to the repo's files, there is no security so it isn't important to prevent a clone here.) $ hg clone -U --stream server local-secret warning: stream clone requested but server has them disabled requesting all changes adding changesets adding manifests adding file changes added 2 changesets with 1025 changes to 1025 files new changesets 96ee1d7354c4:c17445101a72 (revert introduction of secret changeset) $ hg -R server phase --draft 'secret()' Stream clone while repo is changing: ------------------------------------ We should send a repository in a valid state, ignoring the ongoing transaction. $ mkdir changing $ cd changing prepare repo with small and big file to cover both code paths in emitrevlogdata (inlined revlog and non-inlined revlogs). $ hg init repo $ touch repo/f1 $ $TESTDIR/seq.py 50000 > repo/f2 $ hg -R repo ci -Aqm "0" $ HG_TEST_STREAM_WALKED_FILE_1="$TESTTMP/sync_file_walked_1" $ export HG_TEST_STREAM_WALKED_FILE_1 $ HG_TEST_STREAM_WALKED_FILE_2="$TESTTMP/sync_file_walked_2" $ export HG_TEST_STREAM_WALKED_FILE_2 $ HG_TEST_STREAM_WALKED_FILE_3="$TESTTMP/sync_file_walked_3" $ export HG_TEST_STREAM_WALKED_FILE_3 # $ cat << EOF >> $HGRCPATH # > [hooks] # > pre-clone=rm -f "$TESTTMP/sync_file_walked_*" # > EOF $ hg serve -R repo -p $HGPORT1 -d --error errors.log --pid-file=hg.pid --config extensions.stream_steps="$RUNTESTDIR/testlib/ext-stream-clone-steps.py" $ cat hg.pid >> $DAEMON_PIDS clone while modifying the repo between stating file with write lock and actually serving file content $ (hg clone -q --stream -U http://localhost:$HGPORT1 clone; touch "$HG_TEST_STREAM_WALKED_FILE_3") & $ $RUNTESTDIR/testlib/wait-on-file 10 $HG_TEST_STREAM_WALKED_FILE_1 $ echo >> repo/f1 $ echo >> repo/f2 $ hg -R repo ci -m "1" --config ui.timeout.warn=-1 $ touch $HG_TEST_STREAM_WALKED_FILE_2 $ $RUNTESTDIR/testlib/wait-on-file 10 $HG_TEST_STREAM_WALKED_FILE_3 $ hg -R clone id 000000000000 $ hg -R clone verify --quiet $ cat errors.log $ cd .. Stream repository with bookmarks -------------------------------- The bookmark file should be send over in the stream bundle. add a bookmark $ hg -R server bookmark -r tip some-bookmark clone it $ hg clone --stream http://localhost:$HGPORT with-bookmarks streaming all changes 1091 files to transfer, * KB of data (glob) (stream-legacy !) 1097 files to transfer, * KB of data (glob) (stream-bundle2-v2 no-rust !) 1099 files to transfer, * KB of data (glob) (stream-bundle2-v2 rust !) 1096 entries to transfer (stream-bundle2-v3 !) transferred * KB in * seconds (* */sec) (glob) searching for changes (stream-legacy !) no changes found (stream-legacy !) updating to branch default 1088 files updated, 0 files merged, 0 files removed, 0 files unresolved $ hg verify -R with-bookmarks -q $ hg -R with-bookmarks bookmarks some-bookmark 2:5223b5e3265f Stream repository with phases ----------------------------- The file storing phases information (e.g. phaseroots) should be sent as part of the stream bundle. Clone as publishing $ hg -R server phase -r 'all()' 0: draft 1: draft 2: draft $ hg clone --stream http://localhost:$HGPORT phase-publish streaming all changes 1091 files to transfer, * KB of data (glob) (stream-legacy !) 1097 files to transfer, * KB of data (glob) (stream-bundle2-v2 no-rust !) 1099 files to transfer, * KB of data (glob) (stream-bundle2-v2 rust !) 1096 entries to transfer (stream-bundle2-v3 !) transferred * KB in * seconds (* */sec) (glob) searching for changes (stream-legacy !) no changes found (stream-legacy !) updating to branch default 1088 files updated, 0 files merged, 0 files removed, 0 files unresolved $ hg verify -R phase-publish -q $ hg -R phase-publish phase -r 'all()' 0: public 1: public 2: public Clone as non publishing $ cat << EOF >> server/.hg/hgrc > [phases] > publish = False > EOF $ killdaemons.py $ hg -R server serve -p $HGPORT -d --pid-file=hg.pid $ cat hg.pid > $DAEMON_PIDS $ hg clone --stream http://localhost:$HGPORT phase-no-publish streaming all changes 1091 files to transfer, * KB of data (glob) (stream-legacy !) 1098 files to transfer, * KB of data (glob) (stream-bundle2-v2 no-rust !) 1100 files to transfer, * KB of data (glob) (stream-bundle2-v2 rust !) 1097 entries to transfer (stream-bundle2-v3 !) transferred * KB in * seconds (* */sec) (glob) searching for changes (stream-legacy !) no changes found (stream-legacy !) updating to branch default 1088 files updated, 0 files merged, 0 files removed, 0 files unresolved Note: With v1 of the stream protocol, changeset are always cloned as public. It make stream v1 unsuitable for non-publishing repository. $ hg -R phase-no-publish phase -r 'all()' 0: public (stream-legacy !) 1: public (stream-legacy !) 2: public (stream-legacy !) 0: draft (no-stream-legacy !) 1: draft (no-stream-legacy !) 2: draft (no-stream-legacy !) $ hg verify -R phase-no-publish -q $ killdaemons.py Stream repository with obsolescence ----------------------------------- #if stream-legacy With v1 of the stream protocol, changeset are always cloned as public. There's no obsolescence markers exchange in stream v1. #else Clone non-publishing with obsolescence The obsstore file should be send as part of the stream bundle $ cat >> $HGRCPATH << EOF > [experimental] > evolution=all > EOF $ cd server $ echo foo > foo $ hg -q commit -m 'about to be pruned' $ hg debugobsolete `hg log -r . -T '{node}'` -d '0 0' -u test --record-parents 1 new obsolescence markers obsoleted 1 changesets $ hg up null -q $ hg log -T '{rev}: {phase}\n' 2: draft 1: draft 0: draft $ hg serve -p $HGPORT -d --pid-file=hg.pid $ cat hg.pid > $DAEMON_PIDS $ cd .. $ hg clone -U --stream http://localhost:$HGPORT with-obsolescence streaming all changes 1099 files to transfer, * KB of data (glob) (stream-bundle2-v2 no-rust !) 1101 files to transfer, * KB of data (glob) (stream-bundle2-v2 rust !) 1098 entries to transfer (no-stream-bundle2-v2 !) transferred * KB in * seconds (* */sec) (glob) $ hg -R with-obsolescence log -T '{rev}: {phase}\n' 2: draft 1: draft 0: draft $ hg debugobsolete -R with-obsolescence 8c206a663911c1f97f2f9d7382e417ae55872cfa 0 {5223b5e3265f0df40bb743da62249413d74ac70f} (Thu Jan 01 00:00:00 1970 +0000) {'user': 'test'} $ hg verify -R with-obsolescence -q $ hg clone -U --stream --config experimental.evolution=0 http://localhost:$HGPORT with-obsolescence-no-evolution streaming all changes remote: abort: server has obsolescence markers, but client cannot receive them via stream clone abort: pull failed on remote [100] $ killdaemons.py #endif Cloning a repo with no requirements doesn't give some obscure error ------------------------------------------------------------------- $ mkdir -p empty-repo/.hg $ hg clone -q --stream ssh://user@dummy/empty-repo empty-repo2 $ hg --cwd empty-repo2 verify -q Cloning a repo with an empty manifestlog doesn't give some weird error ---------------------------------------------------------------------- $ rm -r empty-repo; hg init empty-repo $ (cd empty-repo; touch x; hg commit -Am empty; hg debugstrip -r 0) > /dev/null $ hg clone -q --stream ssh://user@dummy/empty-repo empty-repo3 $ hg --cwd empty-repo3 verify -q