#require no-chg

  $ . $TESTDIR/wireprotohelpers.sh

persistent-nodemap is not enabled by default. It is not relevant for this test so disable it.

  $ cat >> $HGRCPATH << EOF

  > [format]

  > use-persistent-nodemap = no

  > EOF

  $ 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> setsockopt(6, 1, 1) -> None (?)

  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 $USUAL_BUNDLE2_CAPS$ changegroupsubset compression=$BUNDLE2_COMPRESSIONS$ getbundle httpheader=1024 httpmediatype=0.1rx,0.1tx,0.2tx known lookup pushkey streamreqs=generaldelta,revlogv1,sparserevlog 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> setsockopt(6, 1, 1) -> None (?)

  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 $USUAL_BUNDLE2_CAPS$ changegroupsubset compression=$BUNDLE2_COMPRESSIONS$ getbundle httpheader=1024 httpmediatype=0.1rx,0.1tx,0.2tx known lookup pushkey streamreqs=generaldelta,revlogv1,sparserevlog 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-<N> 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> setsockopt(6, 1, 1) -> None (?)

  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 $USUAL_BUNDLE2_CAPS$ changegroupsubset compression=$BUNDLE2_COMPRESSIONS$ getbundle httpheader=1024 httpmediatype=0.1rx,0.1tx,0.2tx known lookup pushkey streamreqs=generaldelta,revlogv1,sparserevlog unbundle=HG10GZ,HG10BZ,HG10UN unbundlehash

X-HgUpgrade-<N> without known serialization in X-HgProto-<N> 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> setsockopt(6, 1, 1) -> None (?)

  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 $USUAL_BUNDLE2_CAPS$ changegroupsubset compression=$BUNDLE2_COMPRESSIONS$ getbundle httpheader=1024 httpmediatype=0.1rx,0.1tx,0.2tx known lookup pushkey streamreqs=generaldelta,revlogv1,sparserevlog unbundle=HG10GZ,HG10BZ,HG10UN unbundlehash

X-HgUpgrade-<N> + X-HgProto-<N> 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> setsockopt(6, 1, 1) -> None (?)

  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\xe4batch branchmap $USUAL_BUNDLE2_CAPS$ changegroupsubset compression=$BUNDLE2_COMPRESSIONS$ getbundle httpheader=1024 httpmediatype=0.1rx,0.1tx,0.2tx known lookup pushkey streamreqs=generaldelta,revlogv1,sparserevlog unbundle=HG10GZ,HG10BZ,HG10UN unbundlehash

  cbor> [

    {

      b'apibase': b'api/',

      b'apis': {},

      b'v1capabilities': b'batch branchmap $USUAL_BUNDLE2_CAPS$ changegroupsubset compression=$BUNDLE2_COMPRESSIONS$ getbundle httpheader=1024 httpmediatype=0.1rx,0.1tx,0.2tx known lookup pushkey streamreqs=generaldelta,revlogv1,sparserevlog 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> setsockopt(6, 1, 1) -> None (?)

  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\xe4batch branchmap $USUAL_BUNDLE2_CAPS$ changegroupsubset compression=$BUNDLE2_COMPRESSIONS$ getbundle httpheader=1024 httpmediatype=0.1rx,0.1tx,0.2tx known lookup pushkey streamreqs=generaldelta,revlogv1,sparserevlog unbundle=HG10GZ,HG10BZ,HG10UN unbundlehash

  cbor> [

    {

      b'apibase': b'api/',

      b'apis': {},

      b'v1capabilities': b'batch branchmap $USUAL_BUNDLE2_CAPS$ changegroupsubset compression=$BUNDLE2_COMPRESSIONS$ getbundle httpheader=1024 httpmediatype=0.1rx,0.1tx,0.2tx known lookup pushkey streamreqs=generaldelta,revlogv1,sparserevlog 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-v2-0003 foo bar

  >    x-hgproto-1: cbor

  > EOF

  using raw connection to peer

  s> setsockopt(6, 1, 1) -> None (?)

  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-v2-0003 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-v2-0003\xa4Hcommands\xacIbranchmap\xa2Dargs\xa0Kpermissions\x81DpullLcapabilities\xa2Dargs\xa0Kpermissions\x81DpullMchangesetdata\xa2Dargs\xa2Ffields\xa4Gdefault\xd9\x01\x02\x80Hrequired\xf4DtypeCsetKvalidvalues\xd9\x01\x02\x84IbookmarksGparentsEphaseHrevisionIrevisions\xa2Hrequired\xf5DtypeDlistKpermissions\x81DpullHfiledata\xa2Dargs\xa4Ffields\xa4Gdefault\xd9\x01\x02\x80Hrequired\xf4DtypeCsetKvalidvalues\xd9\x01\x02\x83HlinknodeGparentsHrevisionKhaveparents\xa3Gdefault\xf4Hrequired\xf4DtypeDboolEnodes\xa2Hrequired\xf5DtypeDlistDpath\xa2Hrequired\xf5DtypeEbytesKpermissions\x81DpullIfilesdata\xa3Dargs\xa4Ffields\xa4Gdefault\xd9\x01\x02\x80Hrequired\xf4DtypeCsetKvalidvalues\xd9\x01\x02\x84NfirstchangesetHlinknodeGparentsHrevisionKhaveparents\xa3Gdefault\xf4Hrequired\xf4DtypeDboolJpathfilter\xa3Gdefault\xf6Hrequired\xf4DtypeDdictIrevisions\xa2Hrequired\xf5DtypeDlistKpermissions\x81DpullTrecommendedbatchsize\x19\xc3PEheads\xa2Dargs\xa1Jpubliconly\xa3Gdefault\xf4Hrequired\xf4DtypeDboolKpermissions\x81DpullEknown\xa2Dargs\xa1Enodes\xa3Gdefault\x80Hrequired\xf4DtypeDlistKpermissions\x81DpullHlistkeys\xa2Dargs\xa1Inamespace\xa2Hrequired\xf5DtypeEbytesKpermissions\x81DpullFlookup\xa2Dargs\xa1Ckey\xa2Hrequired\xf5DtypeEbytesKpermissions\x81DpullLmanifestdata\xa3Dargs\xa4Ffields\xa4Gdefault\xd9\x01\x02\x80Hrequired\xf4DtypeCsetKvalidvalues\xd9\x01\x02\x82GparentsHrevisionKhaveparents\xa3Gdefault\xf4Hrequired\xf4DtypeDboolEnodes\xa2Hrequired\xf5DtypeDlistDtree\xa2Hrequired\xf5DtypeEbytesKpermissions\x81DpullTrecommendedbatchsize\x1a\x00\x01\x86\xa0Gpushkey\xa2Dargs\xa4Ckey\xa2Hrequired\xf5DtypeEbytesInamespace\xa2Hrequired\xf5DtypeEbytesCnew\xa2Hrequired\xf5DtypeEbytesCold\xa2Hrequired\xf5DtypeEbytesKpermissions\x81DpushPrawstorefiledata\xa2Dargs\xa2Efiles\xa2Hrequired\xf5DtypeDlistJpathfilter\xa3Gdefault\xf6Hrequired\xf4DtypeDlistKpermissions\x81DpullQframingmediatypes\x81X&application/mercurial-exp-framing-0006Rpathfilterprefixes\xd9\x01\x02\x82Epath:Lrootfilesin:Nrawrepoformats\x83LgeneraldeltaHrevlogv1LsparserevlogNv1capabilitiesY\x01\xe4batch branchmap $USUAL_BUNDLE2_CAPS$ changegroupsubset compression=$BUNDLE2_COMPRESSIONS$ getbundle httpheader=1024 httpmediatype=0.1rx,0.1tx,0.2tx known lookup pushkey streamreqs=generaldelta,revlogv1,sparserevlog unbundle=HG10GZ,HG10BZ,HG10UN unbundlehash

  cbor> [

    {

      b'apibase': b'api/',

      b'apis': {

        b'exp-http-v2-0003': {

          b'commands': {

            b'branchmap': {

              b'args': {},

              b'permissions': [

                b'pull'

              ]

            },

            b'capabilities': {

              b'args': {},

              b'permissions': [

                b'pull'

              ]

            },

            b'changesetdata': {

              b'args': {

                b'fields': {

                  b'default': set([]),

                  b'required': False,

                  b'type': b'set',

                  b'validvalues': set([

                    b'bookmarks',

                    b'parents',

                    b'phase',

                    b'revision'

                  ])

                },

                b'revisions': {

                  b'required': True,

                  b'type': b'list'

                }

              },

              b'permissions': [

                b'pull'

              ]

            },

            b'filedata': {

              b'args': {

                b'fields': {

                  b'default': set([]),

                  b'required': False,

                  b'type': b'set',

                  b'validvalues': set([

                    b'linknode',

                    b'parents',

                    b'revision'

                  ])

                },

                b'haveparents': {

                  b'default': False,

                  b'required': False,

                  b'type': b'bool'

                },

                b'nodes': {

                  b'required': True,

                  b'type': b'list'

                },

                b'path': {

                  b'required': True,

                  b'type': b'bytes'

                }

              },

              b'permissions': [

                b'pull'

              ]

            },

            b'filesdata': {

              b'args': {

                b'fields': {

                  b'default': set([]),

                  b'required': False,

                  b'type': b'set',

                  b'validvalues': set([

                    b'firstchangeset',

                    b'linknode',

                    b'parents',

                    b'revision'

                  ])

                },

                b'haveparents': {

                  b'default': False,

                  b'required': False,

                  b'type': b'bool'

                },

                b'pathfilter': {

                  b'default': None,

                  b'required': False,

                  b'type': b'dict'

                },

                b'revisions': {

                  b'required': True,

                  b'type': b'list'

                }

              },

              b'permissions': [

                b'pull'

              ],

              b'recommendedbatchsize': 50000

            },

            b'heads': {

              b'args': {