#require no-chg $ . $TESTDIR/wireprotohelpers.sh $ hg init server zstd isn't present in plain builds. Make tests easier by removing zstd from the equation. $ cat >> server/.hg/hgrc << EOF > [server] > compressionengines = zlib > EOF $ hg -R server serve -p $HGPORT -d --pid-file hg.pid -E error.log $ cat hg.pid > $DAEMON_PIDS A normal capabilities request is serviced for version 1 $ sendhttpraw << EOF > httprequest GET ?cmd=capabilities > user-agent: test > EOF using raw connection to peer s> GET /?cmd=capabilities HTTP/1.1\r\n s> Accept-Encoding: identity\r\n s> user-agent: test\r\n s> host: $LOCALIP:$HGPORT\r\n (glob) s> \r\n s> makefile('rb', None) s> HTTP/1.1 200 Script output follows\r\n s> Server: testing stub value\r\n s> Date: $HTTP_DATE$\r\n s> Content-Type: application/mercurial-0.1\r\n s> Content-Length: *\r\n (glob) s> \r\n s> batch branchmap $USUAL_BUNDLE2_CAPS_SERVER$ changegroupsubset compression=$BUNDLE2_COMPRESSIONS$ getbundle httpheader=1024 httpmediatype=0.1rx,0.1tx,0.2tx known lookup pushkey streamreqs=generaldelta,revlogv1 unbundle=HG10GZ,HG10BZ,HG10UN unbundlehash A proper request without the API server enabled returns the legacy response $ sendhttpraw << EOF > httprequest GET ?cmd=capabilities > user-agent: test > x-hgupgrade-1: foo > x-hgproto-1: cbor > EOF using raw connection to peer s> GET /?cmd=capabilities HTTP/1.1\r\n s> Accept-Encoding: identity\r\n s> user-agent: test\r\n s> x-hgproto-1: cbor\r\n s> x-hgupgrade-1: foo\r\n s> host: $LOCALIP:$HGPORT\r\n (glob) s> \r\n s> makefile('rb', None) s> HTTP/1.1 200 Script output follows\r\n s> Server: testing stub value\r\n s> Date: $HTTP_DATE$\r\n s> Content-Type: application/mercurial-0.1\r\n s> Content-Length: *\r\n (glob) s> \r\n s> batch branchmap $USUAL_BUNDLE2_CAPS_SERVER$ changegroupsubset compression=$BUNDLE2_COMPRESSIONS$ getbundle httpheader=1024 httpmediatype=0.1rx,0.1tx,0.2tx known lookup pushkey streamreqs=generaldelta,revlogv1 unbundle=HG10GZ,HG10BZ,HG10UN unbundlehash Restart with just API server enabled. This enables serving the new format. $ killdaemons.py $ cat error.log $ cat >> server/.hg/hgrc << EOF > [experimental] > web.apiserver = true > EOF $ hg -R server serve -p $HGPORT -d --pid-file hg.pid -E error.log $ cat hg.pid > $DAEMON_PIDS X-HgUpgrade- without CBOR advertisement uses legacy response $ sendhttpraw << EOF > httprequest GET ?cmd=capabilities > user-agent: test > x-hgupgrade-1: foo bar > EOF using raw connection to peer s> GET /?cmd=capabilities HTTP/1.1\r\n s> Accept-Encoding: identity\r\n s> user-agent: test\r\n s> x-hgupgrade-1: foo bar\r\n s> host: $LOCALIP:$HGPORT\r\n (glob) s> \r\n s> makefile('rb', None) s> HTTP/1.1 200 Script output follows\r\n s> Server: testing stub value\r\n s> Date: $HTTP_DATE$\r\n s> Content-Type: application/mercurial-0.1\r\n s> Content-Length: *\r\n (glob) s> \r\n s> batch branchmap $USUAL_BUNDLE2_CAPS_SERVER$ changegroupsubset compression=$BUNDLE2_COMPRESSIONS$ getbundle httpheader=1024 httpmediatype=0.1rx,0.1tx,0.2tx known lookup pushkey streamreqs=generaldelta,revlogv1 unbundle=HG10GZ,HG10BZ,HG10UN unbundlehash X-HgUpgrade- without known serialization in X-HgProto- uses legacy response $ sendhttpraw << EOF > httprequest GET ?cmd=capabilities > user-agent: test > x-hgupgrade-1: foo bar > x-hgproto-1: some value > EOF using raw connection to peer s> GET /?cmd=capabilities HTTP/1.1\r\n s> Accept-Encoding: identity\r\n s> user-agent: test\r\n s> x-hgproto-1: some value\r\n s> x-hgupgrade-1: foo bar\r\n s> host: $LOCALIP:$HGPORT\r\n (glob) s> \r\n s> makefile('rb', None) s> HTTP/1.1 200 Script output follows\r\n s> Server: testing stub value\r\n s> Date: $HTTP_DATE$\r\n s> Content-Type: application/mercurial-0.1\r\n s> Content-Length: *\r\n (glob) s> \r\n s> batch branchmap $USUAL_BUNDLE2_CAPS_SERVER$ changegroupsubset compression=$BUNDLE2_COMPRESSIONS$ getbundle httpheader=1024 httpmediatype=0.1rx,0.1tx,0.2tx known lookup pushkey streamreqs=generaldelta,revlogv1 unbundle=HG10GZ,HG10BZ,HG10UN unbundlehash X-HgUpgrade- + X-HgProto- headers trigger new response format $ sendhttpraw << EOF > httprequest GET ?cmd=capabilities > user-agent: test > x-hgupgrade-1: foo bar > x-hgproto-1: cbor > EOF using raw connection to peer s> GET /?cmd=capabilities HTTP/1.1\r\n s> Accept-Encoding: identity\r\n s> user-agent: test\r\n s> x-hgproto-1: cbor\r\n s> x-hgupgrade-1: foo bar\r\n s> host: $LOCALIP:$HGPORT\r\n (glob) s> \r\n s> makefile('rb', None) s> HTTP/1.1 200 OK\r\n s> Server: testing stub value\r\n s> Date: $HTTP_DATE$\r\n s> Content-Type: application/mercurial-cbor\r\n s> Content-Length: *\r\n (glob) s> \r\n s> \xa3GapibaseDapi/Dapis\xa0Nv1capabilitiesY\x01\xc5batch branchmap $USUAL_BUNDLE2_CAPS_SERVER$ changegroupsubset compression=$BUNDLE2_COMPRESSIONS$ getbundle httpheader=1024 httpmediatype=0.1rx,0.1tx,0.2tx known lookup pushkey streamreqs=generaldelta,revlogv1 unbundle=HG10GZ,HG10BZ,HG10UN unbundlehash cbor> { b'apibase': b'api/', b'apis': {}, b'v1capabilities': b'batch branchmap $USUAL_BUNDLE2_CAPS_SERVER$ changegroupsubset compression=$BUNDLE2_COMPRESSIONS$ getbundle httpheader=1024 httpmediatype=0.1rx,0.1tx,0.2tx known lookup pushkey streamreqs=generaldelta,revlogv1 unbundle=HG10GZ,HG10BZ,HG10UN unbundlehash' } Restart server to enable HTTPv2 $ killdaemons.py $ enablehttpv2 server $ hg -R server serve -p $HGPORT -d --pid-file hg.pid -E error.log $ cat hg.pid > $DAEMON_PIDS Only requested API services are returned $ sendhttpraw << EOF > httprequest GET ?cmd=capabilities > user-agent: test > x-hgupgrade-1: foo bar > x-hgproto-1: cbor > EOF using raw connection to peer s> GET /?cmd=capabilities HTTP/1.1\r\n s> Accept-Encoding: identity\r\n s> user-agent: test\r\n s> x-hgproto-1: cbor\r\n s> x-hgupgrade-1: foo bar\r\n s> host: $LOCALIP:$HGPORT\r\n (glob) s> \r\n s> makefile('rb', None) s> HTTP/1.1 200 OK\r\n s> Server: testing stub value\r\n s> Date: $HTTP_DATE$\r\n s> Content-Type: application/mercurial-cbor\r\n s> Content-Length: *\r\n (glob) s> \r\n s> \xa3GapibaseDapi/Dapis\xa0Nv1capabilitiesY\x01\xc5batch branchmap $USUAL_BUNDLE2_CAPS_SERVER$ changegroupsubset compression=$BUNDLE2_COMPRESSIONS$ getbundle httpheader=1024 httpmediatype=0.1rx,0.1tx,0.2tx known lookup pushkey streamreqs=generaldelta,revlogv1 unbundle=HG10GZ,HG10BZ,HG10UN unbundlehash cbor> { b'apibase': b'api/', b'apis': {}, b'v1capabilities': b'batch branchmap $USUAL_BUNDLE2_CAPS_SERVER$ changegroupsubset compression=$BUNDLE2_COMPRESSIONS$ getbundle httpheader=1024 httpmediatype=0.1rx,0.1tx,0.2tx known lookup pushkey streamreqs=generaldelta,revlogv1 unbundle=HG10GZ,HG10BZ,HG10UN unbundlehash' } Request for HTTPv2 service returns information about it $ sendhttpraw << EOF > httprequest GET ?cmd=capabilities > user-agent: test > x-hgupgrade-1: exp-http-v2-0001 foo bar > x-hgproto-1: cbor > EOF using raw connection to peer s> GET /?cmd=capabilities HTTP/1.1\r\n s> Accept-Encoding: identity\r\n s> user-agent: test\r\n s> x-hgproto-1: cbor\r\n s> x-hgupgrade-1: exp-http-v2-0001 foo bar\r\n s> host: $LOCALIP:$HGPORT\r\n (glob) s> \r\n s> makefile('rb', None) s> HTTP/1.1 200 OK\r\n s> Server: testing stub value\r\n s> Date: $HTTP_DATE$\r\n s> Content-Type: application/mercurial-cbor\r\n s> Content-Length: *\r\n (glob) s> \r\n s> \xa3GapibaseDapi/Dapis\xa1Pexp-http-v2-0001\xa4Hcommands\xaaIbranchmap\xa2Dargs\xa0Kpermissions\x81DpullLcapabilities\xa2Dargs\xa0Kpermissions\x81DpullMchangesetdata\xa2Dargs\xa3Ffields\xd9\x01\x02\x82GparentsHrevisionInoderange\x82\x81J0123456...\x81Iabcdef...Enodes\x81J0123456...Kpermissions\x81DpullHfiledata\xa2Dargs\xa4Ffields\x82GparentsHrevisionKhaveparents\xf5Enodes\x81J0123456...DpathGfoo.txtKpermissions\x81DpullEheads\xa2Dargs\xa1Jpubliconly\xf4Kpermissions\x81DpullEknown\xa2Dargs\xa1Enodes\x81HdeadbeefKpermissions\x81DpullHlistkeys\xa2Dargs\xa1InamespaceBnsKpermissions\x81DpullFlookup\xa2Dargs\xa1CkeyCfooKpermissions\x81DpullLmanifestdata\xa2Dargs\xa4Ffields\x82GparentsHrevisionKhaveparents\xf5Enodes\x81J0123456...Dtree@Kpermissions\x81DpullGpushkey\xa2Dargs\xa4CkeyCkeyInamespaceBnsCnewCnewColdColdKpermissions\x81DpushKcompression\x81\xa1DnameDzlibQframingmediatypes\x81X&application/mercurial-exp-framing-0005Nrawrepoformats\x82LgeneraldeltaHrevlogv1Nv1capabilitiesY\x01\xc5batch branchmap $USUAL_BUNDLE2_CAPS_SERVER$ changegroupsubset compression=$BUNDLE2_COMPRESSIONS$ getbundle httpheader=1024 httpmediatype=0.1rx,0.1tx,0.2tx known lookup pushkey streamreqs=generaldelta,revlogv1 unbundle=HG10GZ,HG10BZ,HG10UN unbundlehash cbor> { b'apibase': b'api/', b'apis': { b'exp-http-v2-0001': { b'commands': { b'branchmap': { b'args': {}, b'permissions': [ b'pull' ] }, b'capabilities': { b'args': {}, b'permissions': [ b'pull' ] }, b'changesetdata': { b'args': { b'fields': set([ b'parents', b'revision' ]), b'noderange': [ [ b'0123456...' ], [ b'abcdef...' ] ], b'nodes': [ b'0123456...' ] }, b'permissions': [ b'pull' ] }, b'filedata': { b'args': { b'fields': [ b'parents', b'revision' ], b'haveparents': True, b'nodes': [ b'0123456...' ], b'path': b'foo.txt' }, b'permissions': [ b'pull' ] }, b'heads': { b'args': { b'publiconly': False }, b'permissions': [ b'pull' ] }, b'known': { b'args': { b'nodes': [ b'deadbeef' ] }, b'permissions': [ b'pull' ] }, b'listkeys': { b'args': { b'namespace': b'ns' }, b'permissions': [ b'pull' ] }, b'lookup': { b'args': { b'key': b'foo' }, b'permissions': [ b'pull' ] }, b'manifestdata': { b'args': { b'fields': [ b'parents', b'revision' ], b'haveparents': True, b'nodes': [ b'0123456...' ], b'tree': b'' }, b'permissions': [ b'pull' ] }, b'pushkey': { b'args': { b'key': b'key', b'namespace': b'ns', b'new': b'new', b'old': b'old' }, b'permissions': [ b'push' ] } }, b'compression': [ { b'name': b'zlib' } ], b'framingmediatypes': [ b'application/mercurial-exp-framing-0005' ], b'rawrepoformats': [ b'generaldelta', b'revlogv1' ] } }, b'v1capabilities': b'batch branchmap $USUAL_BUNDLE2_CAPS_SERVER$ changegroupsubset compression=$BUNDLE2_COMPRESSIONS$ getbundle httpheader=1024 httpmediatype=0.1rx,0.1tx,0.2tx known lookup pushkey streamreqs=generaldelta,revlogv1 unbundle=HG10GZ,HG10BZ,HG10UN unbundlehash' } capabilities command returns expected info $ sendhttpv2peerhandshake << EOF > command capabilities > EOF creating http peer for wire protocol version 2 s> GET /?cmd=capabilities HTTP/1.1\r\n s> Accept-Encoding: identity\r\n s> vary: X-HgProto-1,X-HgUpgrade-1\r\n s> x-hgproto-1: cbor\r\n s> x-hgupgrade-1: exp-http-v2-0001\r\n s> accept: application/mercurial-0.1\r\n s> host: $LOCALIP:$HGPORT\r\n (glob) s> user-agent: Mercurial debugwireproto\r\n s> \r\n s> makefile('rb', None) s> HTTP/1.1 200 OK\r\n s> Server: testing stub value\r\n s> Date: $HTTP_DATE$\r\n s> Content-Type: application/mercurial-cbor\r\n s> Content-Length: *\r\n (glob) s> \r\n s> \xa3GapibaseDapi/Dapis\xa1Pexp-http-v2-0001\xa4Hcommands\xaaIbranchmap\xa2Dargs\xa0Kpermissions\x81DpullLcapabilities\xa2Dargs\xa0Kpermissions\x81DpullMchangesetdata\xa2Dargs\xa3Ffields\xd9\x01\x02\x82GparentsHrevisionInoderange\x82\x81J0123456...\x81Iabcdef...Enodes\x81J0123456...Kpermissions\x81DpullHfiledata\xa2Dargs\xa4Ffields\x82GparentsHrevisionKhaveparents\xf5Enodes\x81J0123456...DpathGfoo.txtKpermissions\x81DpullEheads\xa2Dargs\xa1Jpubliconly\xf4Kpermissions\x81DpullEknown\xa2Dargs\xa1Enodes\x81HdeadbeefKpermissions\x81DpullHlistkeys\xa2Dargs\xa1InamespaceBnsKpermissions\x81DpullFlookup\xa2Dargs\xa1CkeyCfooKpermissions\x81DpullLmanifestdata\xa2Dargs\xa4Ffields\x82GparentsHrevisionKhaveparents\xf5Enodes\x81J0123456...Dtree@Kpermissions\x81DpullGpushkey\xa2Dargs\xa4CkeyCkeyInamespaceBnsCnewCnewColdColdKpermissions\x81DpushKcompression\x81\xa1DnameDzlibQframingmediatypes\x81X&application/mercurial-exp-framing-0005Nrawrepoformats\x82LgeneraldeltaHrevlogv1Nv1capabilitiesY\x01\xc5batch branchmap $USUAL_BUNDLE2_CAPS_SERVER$ changegroupsubset compression=$BUNDLE2_COMPRESSIONS$ getbundle httpheader=1024 httpmediatype=0.1rx,0.1tx,0.2tx known lookup pushkey streamreqs=generaldelta,revlogv1 unbundle=HG10GZ,HG10BZ,HG10UN unbundlehash sending capabilities command s> POST /api/exp-http-v2-0001/ro/capabilities HTTP/1.1\r\n s> Accept-Encoding: identity\r\n s> accept: application/mercurial-exp-framing-0005\r\n s> content-type: application/mercurial-exp-framing-0005\r\n s> content-length: 27\r\n s> host: $LOCALIP:$HGPORT\r\n (glob) s> user-agent: Mercurial debugwireproto\r\n s> \r\n s> \x13\x00\x00\x01\x00\x01\x01\x11\xa1DnameLcapabilities s> makefile('rb', None) s> HTTP/1.1 200 OK\r\n s> Server: testing stub value\r\n s> Date: $HTTP_DATE$\r\n s> Content-Type: application/mercurial-exp-framing-0005\r\n s> Transfer-Encoding: chunked\r\n s> \r\n s> 13\r\n s> \x0b\x00\x00\x01\x00\x02\x011 s> \xa1FstatusBok s> \r\n received frame(size=11; request=1; stream=2; streamflags=stream-begin; type=command-response; flags=continuation) s> 30e\r\n s> \x06\x03\x00\x01\x00\x02\x001 s> \xa4Hcommands\xaaIbranchmap\xa2Dargs\xa0Kpermissions\x81DpullLcapabilities\xa2Dargs\xa0Kpermissions\x81DpullMchangesetdata\xa2Dargs\xa3Ffields\xd9\x01\x02\x82GparentsHrevisionInoderange\x82\x81J0123456...\x81Iabcdef...Enodes\x81J0123456...Kpermissions\x81DpullHfiledata\xa2Dargs\xa4Ffields\x82GparentsHrevisionKhaveparents\xf5Enodes\x81J0123456...DpathGfoo.txtKpermissions\x81DpullEheads\xa2Dargs\xa1Jpubliconly\xf4Kpermissions\x81DpullEknown\xa2Dargs\xa1Enodes\x81HdeadbeefKpermissions\x81DpullHlistkeys\xa2Dargs\xa1InamespaceBnsKpermissions\x81DpullFlookup\xa2Dargs\xa1CkeyCfooKpermissions\x81DpullLmanifestdata\xa2Dargs\xa4Ffields\x82GparentsHrevisionKhaveparents\xf5Enodes\x81J0123456...Dtree@Kpermissions\x81DpullGpushkey\xa2Dargs\xa4CkeyCkeyInamespaceBnsCnewCnewColdColdKpermissions\x81DpushKcompression\x81\xa1DnameDzlibQframingmediatypes\x81X&application/mercurial-exp-framing-0005Nrawrepoformats\x82LgeneraldeltaHrevlogv1 s> \r\n received frame(size=774; request=1; stream=2; streamflags=; type=command-response; flags=continuation) s> 8\r\n s> \x00\x00\x00\x01\x00\x02\x002 s> \r\n s> 0\r\n s> \r\n received frame(size=0; request=1; stream=2; streamflags=; type=command-response; flags=eos) response: gen[ { b'commands': { b'branchmap': { b'args': {}, b'permissions': [ b'pull' ] }, b'capabilities': { b'args': {}, b'permissions': [ b'pull' ] }, b'changesetdata': { b'args': { b'fields': set([ b'parents', b'revision' ]), b'noderange': [ [ b'0123456...' ], [ b'abcdef...' ] ], b'nodes': [ b'0123456...' ] }, b'permissions': [ b'pull' ] }, b'filedata': { b'args': { b'fields': [ b'parents', b'revision' ], b'haveparents': True, b'nodes': [ b'0123456...' ], b'path': b'foo.txt' }, b'permissions': [ b'pull' ] }, b'heads': { b'args': { b'publiconly': False }, b'permissions': [ b'pull' ] }, b'known': { b'args': { b'nodes': [ b'deadbeef' ] }, b'permissions': [ b'pull' ] }, b'listkeys': { b'args': { b'namespace': b'ns' }, b'permissions': [ b'pull' ] }, b'lookup': { b'args': { b'key': b'foo' }, b'permissions': [ b'pull' ] }, b'manifestdata': { b'args': { b'fields': [ b'parents', b'revision' ], b'haveparents': True, b'nodes': [ b'0123456...' ], b'tree': b'' }, b'permissions': [ b'pull' ] }, b'pushkey': { b'args': { b'key': b'key', b'namespace': b'ns', b'new': b'new', b'old': b'old' }, b'permissions': [ b'push' ] } }, b'compression': [ { b'name': b'zlib' } ], b'framingmediatypes': [ b'application/mercurial-exp-framing-0005' ], b'rawrepoformats': [ b'generaldelta', b'revlogv1' ] } ] $ cat error.log