configitems: restore alias for format.aggressivemergedeltas
913ca175c4ae broke BC by dropping support for reading
format.aggressivemergedeltas. Let's restore it.
Differential Revision: https://phab.mercurial-scm.org/D3966
#require serve no-reposimplestore no-chg
#testcases stream-legacy stream-bundle2
#if stream-bundle2
$ cat << EOF >> $HGRCPATH
> [experimental]
> bundle2.stream = yes
> EOF
#endif
Initialize repository
the status call is to check for issue5130
$ hg init server
$ cd server
$ touch foo
$ hg -q commit -A -m initial
>>> for i in range(1024):
... with open(str(i), 'wb') as fh:
... fh.write(b"%d" % i) and None
$ hg -q commit -A -m 'add a lot of files'
$ hg st
$ hg --config server.uncompressed=false serve -p $HGPORT -d --pid-file=hg.pid
$ cat hg.pid > $DAEMON_PIDS
$ cd ..
Cannot stream clone when server.uncompressed is set
$ get-with-headers.py $LOCALIP:$HGPORT '?cmd=stream_out'
200 Script output follows
1
#if stream-legacy
$ 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
digests
md5
sha1
sha512
error
abort
unsupportedcontent
pushraced
pushkey
hgtagsfnodes
listkeys
phases
heads
pushkey
remote-changegroup
http
https
rev-branch-cache
$ 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 2 changesets with 1025 changes to 1025 files
new changesets 96ee1d7354c4:c17445101a72
$ get-with-headers.py $LOCALIP:$HGPORT '?cmd=getbundle' content-type --bodyfile body --hgproto 0.2 --requestheader "x-hgarg-1=bundlecaps=HG20%2Cbundle2%3DHG20%250Abookmarks%250Achangegroup%253D01%252C02%250Adigests%253Dmd5%252Csha1%252Csha512%250Aerror%253Dabort%252Cunsupportedcontent%252Cpushraced%252Cpushkey%250Ahgtagsfnodes%250Alistkeys%250Aphases%253Dheads%250Apushkey%250Aremote-changegroup%253Dhttp%252Chttps&cg=0&common=0000000000000000000000000000000000000000&heads=c17445101a72edac06facd130d14808dfbd5c7c2&stream=1"
200 Script output follows
content-type: application/mercurial-0.2
$ f --size body --hexdump --bytes 100
body: size=232
0000: 04 6e 6f 6e 65 48 47 32 30 00 00 00 00 00 00 00 |.noneHG20.......|
0010: cf 0b 45 52 52 4f 52 3a 41 42 4f 52 54 00 00 00 |..ERROR:ABORT...|
0020: 00 01 01 07 3c 04 72 6d 65 73 73 61 67 65 73 74 |....<.rmessagest|
0030: 72 65 61 6d 20 64 61 74 61 20 72 65 71 75 65 73 |ream data reques|
0040: 74 65 64 20 62 75 74 20 73 65 72 76 65 72 20 64 |ted but server d|
0050: 6f 65 73 20 6e 6f 74 20 61 6c 6c 6f 77 20 74 68 |oes not allow th|
0060: 69 73 20 66 |is f|
#endif
#if stream-bundle2
$ 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
digests
md5
sha1
sha512
error
abort
unsupportedcontent
pushraced
pushkey
hgtagsfnodes
listkeys
phases
heads
pushkey
remote-changegroup
http
https
rev-branch-cache
$ 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 2 changesets with 1025 changes to 1025 files
new changesets 96ee1d7354c4:c17445101a72
$ get-with-headers.py $LOCALIP:$HGPORT '?cmd=getbundle' content-type --bodyfile body --hgproto 0.2 --requestheader "x-hgarg-1=bundlecaps=HG20%2Cbundle2%3DHG20%250Abookmarks%250Achangegroup%253D01%252C02%250Adigests%253Dmd5%252Csha1%252Csha512%250Aerror%253Dabort%252Cunsupportedcontent%252Cpushraced%252Cpushkey%250Ahgtagsfnodes%250Alistkeys%250Aphases%253Dheads%250Apushkey%250Aremote-changegroup%253Dhttp%252Chttps&cg=0&common=0000000000000000000000000000000000000000&heads=c17445101a72edac06facd130d14808dfbd5c7c2&stream=1"
200 Script output follows
content-type: application/mercurial-0.2
$ f --size body --hexdump --bytes 100
body: size=232
0000: 04 6e 6f 6e 65 48 47 32 30 00 00 00 00 00 00 00 |.noneHG20.......|
0010: cf 0b 45 52 52 4f 52 3a 41 42 4f 52 54 00 00 00 |..ERROR:ABORT...|
0020: 00 01 01 07 3c 04 72 6d 65 73 73 61 67 65 73 74 |....<.rmessagest|
0030: 72 65 61 6d 20 64 61 74 61 20 72 65 71 75 65 73 |ream data reques|
0040: 74 65 64 20 62 75 74 20 73 65 72 76 65 72 20 64 |ted but server d|
0050: 6f 65 73 20 6e 6f 74 20 61 6c 6c 6f 77 20 74 68 |oes not allow th|
0060: 69 73 20 66 |is f|
#endif
$ killdaemons.py
$ cd server
$ hg serve -p $HGPORT -d --pid-file=hg.pid
$ cat hg.pid > $DAEMON_PIDS
$ cd ..
Basic clone
#if stream-legacy
$ hg clone --stream -U http://localhost:$HGPORT clone1
streaming all changes
1027 files to transfer, 96.3 KB of data
transferred 96.3 KB in * seconds (*/sec) (glob)
searching for changes
no changes found
#endif
#if stream-bundle2
$ hg clone --stream -U http://localhost:$HGPORT clone1
streaming all changes
1030 files to transfer, 96.4 KB of data
transferred 96.4 KB in * seconds (* */sec) (glob)
$ ls -1 clone1/.hg/cache
branch2-served
rbc-names-v1
rbc-revs-v1
#endif
getbundle requests with stream=1 are uncompressed
$ 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%250Adigests%253Dmd5%252Csha1%252Csha512%250Aerror%253Dabort%252Cunsupportedcontent%252Cpushraced%252Cpushkey%250Ahgtagsfnodes%250Alistkeys%250Aphases%253Dheads%250Apushkey%250Aremote-changegroup%253Dhttp%252Chttps&cg=0&common=0000000000000000000000000000000000000000&heads=c17445101a72edac06facd130d14808dfbd5c7c2&stream=1"
200 Script output follows
content-type: application/mercurial-0.2
$ f --size --hex --bytes 256 body
body: size=112230
0000: 04 6e 6f 6e 65 48 47 32 30 00 00 00 00 00 00 00 |.noneHG20.......|
0010: 70 07 53 54 52 45 41 4d 32 00 00 00 00 03 00 09 |p.STREAM2.......|
0020: 05 09 04 0c 35 62 79 74 65 63 6f 75 6e 74 39 38 |....5bytecount98|
0030: 37 35 38 66 69 6c 65 63 6f 75 6e 74 31 30 33 30 |758filecount1030|
0040: 72 65 71 75 69 72 65 6d 65 6e 74 73 64 6f 74 65 |requirementsdote|
0050: 6e 63 6f 64 65 25 32 43 66 6e 63 61 63 68 65 25 |ncode%2Cfncache%|
0060: 32 43 67 65 6e 65 72 61 6c 64 65 6c 74 61 25 32 |2Cgeneraldelta%2|
0070: 43 72 65 76 6c 6f 67 76 31 25 32 43 73 74 6f 72 |Crevlogv1%2Cstor|
0080: 65 00 00 80 00 73 08 42 64 61 74 61 2f 30 2e 69 |e....s.Bdata/0.i|
0090: 00 03 00 01 00 00 00 00 00 00 00 02 00 00 00 01 |................|
00a0: 00 00 00 00 00 00 00 01 ff ff ff ff ff ff ff ff |................|
00b0: 80 29 63 a0 49 d3 23 87 bf ce fe 56 67 92 67 2c |.)c.I.#....Vg.g,|
00c0: 69 d1 ec 39 00 00 00 00 00 00 00 00 00 00 00 00 |i..9............|
00d0: 75 30 73 08 42 64 61 74 61 2f 31 2e 69 00 03 00 |u0s.Bdata/1.i...|
00e0: 01 00 00 00 00 00 00 00 02 00 00 00 01 00 00 00 |................|
00f0: 00 00 00 00 01 ff ff ff ff ff ff ff ff f9 76 da |..............v.|
--uncompressed is an alias to --stream
#if stream-legacy
$ hg clone --uncompressed -U http://localhost:$HGPORT clone1-uncompressed
streaming all changes
1027 files to transfer, 96.3 KB of data
transferred 96.3 KB in * seconds (*/sec) (glob)
searching for changes
no changes found
#endif
#if stream-bundle2
$ hg clone --uncompressed -U http://localhost:$HGPORT clone1-uncompressed
streaming all changes
1030 files to transfer, 96.4 KB of data
transferred 96.4 KB in * seconds (* */sec) (glob)
#endif
Clone with background file closing enabled
#if stream-legacy
$ hg --debug --config worker.backgroundclose=true --config worker.backgroundcloseminfilecount=1 clone --stream -U http://localhost:$HGPORT clone-background | grep -v adding
using http://localhost:$HGPORT/
sending capabilities command
sending branchmap command
streaming all changes
sending stream_out command
1027 files to transfer, 96.3 KB of data
starting 4 threads for background file closing
transferred 96.3 KB in * seconds (*/sec) (glob)
query 1; heads
sending batch command
searching for changes
all remote heads known locally
no changes found
sending getbundle command
bundle2-input-bundle: with-transaction
bundle2-input-part: "listkeys" (params: 1 mandatory) supported
bundle2-input-part: "phase-heads" supported
bundle2-input-part: total payload size 24
bundle2-input-bundle: 1 parts total
checking for updated bookmarks
#endif
#if stream-bundle2
$ hg --debug --config worker.backgroundclose=true --config worker.backgroundcloseminfilecount=1 clone --stream -U http://localhost:$HGPORT clone-background | grep -v adding
using http://localhost:$HGPORT/
sending capabilities command
query 1; heads
sending batch command
streaming all changes
sending getbundle command
bundle2-input-bundle: with-transaction
bundle2-input-part: "stream2" (params: 3 mandatory) supported
applying stream bundle
1030 files to transfer, 96.4 KB of data
starting 4 threads for background file closing
starting 4 threads for background file closing
transferred 96.4 KB in * seconds (* */sec) (glob)
bundle2-input-part: total payload size 112077
bundle2-input-part: "listkeys" (params: 1 mandatory) supported
bundle2-input-bundle: 1 parts total
checking for updated bookmarks
#endif
Cannot stream clone when there are secret changesets
$ 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 1 changesets with 1 changes to 1 files
new changesets 96ee1d7354c4
$ killdaemons.py
Streaming of secrets can be overridden by server config
$ cd server
$ hg serve --config server.uncompressedallowsecret=true -p $HGPORT -d --pid-file=hg.pid
$ cat hg.pid > $DAEMON_PIDS
$ cd ..
#if stream-legacy
$ hg clone --stream -U http://localhost:$HGPORT secret-allowed
streaming all changes
1027 files to transfer, 96.3 KB of data
transferred 96.3 KB in * seconds (*/sec) (glob)
searching for changes
no changes found
#endif
#if stream-bundle2
$ hg clone --stream -U http://localhost:$HGPORT secret-allowed
streaming all changes
1030 files to transfer, 96.4 KB of data
transferred 96.4 KB in * seconds (* */sec) (glob)
#endif
$ killdaemons.py
Verify interaction between preferuncompressed and secret presence
$ 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 1 changesets with 1 changes to 1 files
new changesets 96ee1d7354c4
$ killdaemons.py
Clone not allowed when full bundles disabled and can't serve secrets
$ 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)
[255]
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 1 changesets with 1 changes to 1 files
new changesets 96ee1d7354c4
Stream clone while repo is changing:
$ mkdir changing
$ cd changing
extension for delaying the server process so we reliably can modify the repo
while cloning
$ cat > delayer.py <<EOF
> import time
> from mercurial import extensions, vfs
> def __call__(orig, self, path, *args, **kwargs):
> if path == 'data/f1.i':
> time.sleep(2)
> return orig(self, path, *args, **kwargs)
> extensions.wrapfunction(vfs.vfs, '__call__', __call__)
> EOF
prepare repo with small and big file to cover both code paths in emitrevlogdata
$ hg init repo
$ touch repo/f1
$ $TESTDIR/seq.py 50000 > repo/f2
$ hg -R repo ci -Aqm "0"
$ hg serve -R repo -p $HGPORT1 -d --pid-file=hg.pid --config extensions.delayer=delayer.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 &
$ sleep 1
$ echo >> repo/f1
$ echo >> repo/f2
$ hg -R repo ci -m "1"
$ wait
$ hg -R clone id
000000000000
$ cd ..
Stream repository with bookmarks
--------------------------------
(revert introduction of secret changeset)
$ hg -R server phase --draft 'secret()'
add a bookmark
$ hg -R server bookmark -r tip some-bookmark
clone it
#if stream-legacy
$ hg clone --stream http://localhost:$HGPORT with-bookmarks
streaming all changes
1027 files to transfer, 96.3 KB of data
transferred 96.3 KB in * seconds (*) (glob)
searching for changes
no changes found
updating to branch default
1025 files updated, 0 files merged, 0 files removed, 0 files unresolved
#endif
#if stream-bundle2
$ hg clone --stream http://localhost:$HGPORT with-bookmarks
streaming all changes
1033 files to transfer, 96.6 KB of data
transferred 96.6 KB in * seconds (* */sec) (glob)
updating to branch default
1025 files updated, 0 files merged, 0 files removed, 0 files unresolved
#endif
$ hg -R with-bookmarks bookmarks
some-bookmark 1:c17445101a72
Stream repository with phases
-----------------------------
Clone as publishing
$ hg -R server phase -r 'all()'
0: draft
1: draft
#if stream-legacy
$ hg clone --stream http://localhost:$HGPORT phase-publish
streaming all changes
1027 files to transfer, 96.3 KB of data
transferred 96.3 KB in * seconds (*) (glob)
searching for changes
no changes found
updating to branch default
1025 files updated, 0 files merged, 0 files removed, 0 files unresolved
#endif
#if stream-bundle2
$ hg clone --stream http://localhost:$HGPORT phase-publish
streaming all changes
1033 files to transfer, 96.6 KB of data
transferred 96.6 KB in * seconds (* */sec) (glob)
updating to branch default
1025 files updated, 0 files merged, 0 files removed, 0 files unresolved
#endif
$ hg -R phase-publish phase -r 'all()'
0: public
1: 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
#if stream-legacy
With v1 of the stream protocol, changeset are always cloned as public. It make
stream v1 unsuitable for non-publishing repository.
$ hg clone --stream http://localhost:$HGPORT phase-no-publish
streaming all changes
1027 files to transfer, 96.3 KB of data
transferred 96.3 KB in * seconds (*) (glob)
searching for changes
no changes found
updating to branch default
1025 files updated, 0 files merged, 0 files removed, 0 files unresolved
$ hg -R phase-no-publish phase -r 'all()'
0: public
1: public
#endif
#if stream-bundle2
$ hg clone --stream http://localhost:$HGPORT phase-no-publish
streaming all changes
1034 files to transfer, 96.7 KB of data
transferred 96.7 KB in * seconds (* */sec) (glob)
updating to branch default
1025 files updated, 0 files merged, 0 files removed, 0 files unresolved
$ hg -R phase-no-publish phase -r 'all()'
0: draft
1: draft
#endif
$ killdaemons.py