$ . $TESTDIR/wireprotohelpers.sh

  $ hg init server

  $ enablehttpv2 server

  $ cd server

  $ echo a0 > a

  $ echo b0 > b

  $ mkdir -p dir0/child0 dir0/child1 dir1

  $ echo c0 > dir0/c

  $ echo d0 > dir0/d

  $ echo e0 > dir0/child0/e

  $ echo f0 > dir0/child1/f

  $ hg -q commit -A -m 'commit 0'

  $ echo a1 > a

  $ echo d1 > dir0/d

  $ hg commit -m 'commit 1'

  $ echo f0 > dir0/child1/f

  $ hg commit -m 'commit 2'

  nothing changed

  [1]

  $ hg -q up -r 0

  $ echo a2 > a

  $ hg commit -m 'commit 3'

  created new head

  $ hg log -G -T '{rev}:{node} {desc}\n'

  @  2:c8757a2ffe552850d1e0dfe60d295ebf64c196d9 commit 3

  |

  | o  1:650165e803375748a94df471e5b58d85763e0b29 commit 1

  |/

  o  0:6d85ca1270b377d320098556ba5bfad34a9ee12d commit 0

  $ hg --debug debugindex -m

     rev linkrev nodeid                                   p1                                       p2

       0       0 1b175b595f022cfab5b809cc0ed551bd0b3ff5e4 0000000000000000000000000000000000000000 0000000000000000000000000000000000000000

       1       1 91e0bdbfb0dde0023fa063edc1445f207a22eac7 1b175b595f022cfab5b809cc0ed551bd0b3ff5e4 0000000000000000000000000000000000000000

       2       2 46a6721b5edaf0ea04b79a5cb3218854a4d2aba0 1b175b595f022cfab5b809cc0ed551bd0b3ff5e4 0000000000000000000000000000000000000000

  $ hg serve -p $HGPORT -d --pid-file hg.pid -E error.log

  $ cat hg.pid > $DAEMON_PIDS

Missing arguments is an error

  $ sendhttpv2peer << EOF

  > command manifestdata

  > EOF

  creating http peer for wire protocol version 2

  sending manifestdata command

  abort: missing required arguments: nodes, tree

  [255]

  $ sendhttpv2peer << EOF

  > command manifestdata

  >     nodes eval:[]

  > EOF

  creating http peer for wire protocol version 2

  sending manifestdata command

  abort: missing required arguments: tree

  [255]

Unknown node is an error

  $ sendhttpv2peer << EOF

  > command manifestdata

  >     nodes eval:[b'\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa']

  >     tree eval:b''

  > EOF

  creating http peer for wire protocol version 2

  sending manifestdata command

  abort: unknown node: \xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa (esc)

  [255]

Fetching a single revision returns just metadata by default

  $ sendhttpv2peer << EOF

  > command manifestdata

  >     nodes eval:[b'\x46\xa6\x72\x1b\x5e\xda\xf0\xea\x04\xb7\x9a\x5c\xb3\x21\x88\x54\xa4\xd2\xab\xa0']

  >     tree eval:b''

  > EOF

  creating http peer for wire protocol version 2

  sending manifestdata command

  response: gen[

    {

      b'totalitems': 1

    },

    {

      b'node': b'F\xa6r\x1b^\xda\xf0\xea\x04\xb7\x9a\\\xb3!\x88T\xa4\xd2\xab\xa0'

    }

  ]

Requesting parents works

  $ sendhttpv2peer << EOF

  > command manifestdata

  >     nodes eval:[b'\x46\xa6\x72\x1b\x5e\xda\xf0\xea\x04\xb7\x9a\x5c\xb3\x21\x88\x54\xa4\xd2\xab\xa0']

  >     tree eval:b''

  >     fields eval:[b'parents']

  > EOF

  creating http peer for wire protocol version 2

  sending manifestdata command

  response: gen[

    {

      b'totalitems': 1

    },

    {

      b'node': b'F\xa6r\x1b^\xda\xf0\xea\x04\xb7\x9a\\\xb3!\x88T\xa4\xd2\xab\xa0',

      b'parents': [

        b'\x1b\x17[Y_\x02,\xfa\xb5\xb8\t\xcc\x0e\xd5Q\xbd\x0b?\xf5\xe4',

        b'\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00'

      ]

    }

  ]

Requesting revision data works

(haveparents defaults to false, so fulltext is emitted)

  $ sendhttpv2peer << EOF

  > command manifestdata

  >     nodes eval:[b'\x46\xa6\x72\x1b\x5e\xda\xf0\xea\x04\xb7\x9a\x5c\xb3\x21\x88\x54\xa4\xd2\xab\xa0']

  >     tree eval:b''

  >     fields eval:[b'revision']

  > EOF

  creating http peer for wire protocol version 2

  sending manifestdata command

  response: gen[

    {

      b'totalitems': 1

    },

    {

      b'fieldsfollowing': [

        [

          b'revision',

          292

        ]

      ],

      b'node': b'F\xa6r\x1b^\xda\xf0\xea\x04\xb7\x9a\\\xb3!\x88T\xa4\xd2\xab\xa0'

    },

    b'a\x000879345e39377229634b420c639454156726c6b6\nb\x00819e258d31a5e1606629f365bb902a1b21ee4216\ndir0/c\x00914445346a0ca0629bd47ceb5dfe07e4d4cf2501\ndir0/child0/e\x00bbba6c06b30f443d34ff841bc985c4d0827c6be4\ndir0/child1/f\x0012fc7dcd773b5a0a929ce195228083c6ddc9cec4\ndir0/d\x00538206dc971e521540d6843abfe6d16032f6d426\n'

  ]

haveparents=False yields same output

  $ sendhttpv2peer << EOF

  > command manifestdata

  >     nodes eval:[b'\x46\xa6\x72\x1b\x5e\xda\xf0\xea\x04\xb7\x9a\x5c\xb3\x21\x88\x54\xa4\xd2\xab\xa0']

  >     tree eval:b''

  >     fields eval:[b'revision']

  >     haveparents eval:False

  > EOF

  creating http peer for wire protocol version 2

  sending manifestdata command

  response: gen[

    {

      b'totalitems': 1

    },

    {

      b'fieldsfollowing': [

        [

          b'revision',

          292

        ]

      ],

      b'node': b'F\xa6r\x1b^\xda\xf0\xea\x04\xb7\x9a\\\xb3!\x88T\xa4\xd2\xab\xa0'

    },

    b'a\x000879345e39377229634b420c639454156726c6b6\nb\x00819e258d31a5e1606629f365bb902a1b21ee4216\ndir0/c\x00914445346a0ca0629bd47ceb5dfe07e4d4cf2501\ndir0/child0/e\x00bbba6c06b30f443d34ff841bc985c4d0827c6be4\ndir0/child1/f\x0012fc7dcd773b5a0a929ce195228083c6ddc9cec4\ndir0/d\x00538206dc971e521540d6843abfe6d16032f6d426\n'

  ]

haveparents=True will emit delta

  $ sendhttpv2peer << EOF

  > command manifestdata

  >     nodes eval:[b'\x46\xa6\x72\x1b\x5e\xda\xf0\xea\x04\xb7\x9a\x5c\xb3\x21\x88\x54\xa4\xd2\xab\xa0']

  >     tree eval:b''

  >     fields eval:[b'revision']

  >     haveparents eval:True

  > EOF

  creating http peer for wire protocol version 2

  sending manifestdata command

  response: gen[

    {

      b'totalitems': 1

    },

    {

      b'deltabasenode': b'\x1b\x17[Y_\x02,\xfa\xb5\xb8\t\xcc\x0e\xd5Q\xbd\x0b?\xf5\xe4',

      b'fieldsfollowing': [

        [

          b'delta',

          55

        ]

      ],

      b'node': b'F\xa6r\x1b^\xda\xf0\xea\x04\xb7\x9a\\\xb3!\x88T\xa4\xd2\xab\xa0'

    },

    b'\x00\x00\x00\x00\x00\x00\x00+\x00\x00\x00+a\x000879345e39377229634b420c639454156726c6b6\n'

  ]

Requesting multiple revisions works

(haveparents defaults to false, so fulltext is emitted unless a parent

has been emitted)

  $ sendhttpv2peer << EOF

  > command manifestdata

  >     nodes eval:[b'\x1b\x17\x5b\x59\x5f\x02\x2c\xfa\xb5\xb8\x09\xcc\x0e\xd5\x51\xbd\x0b\x3f\xf5\xe4', b'\x46\xa6\x72\x1b\x5e\xda\xf0\xea\x04\xb7\x9a\x5c\xb3\x21\x88\x54\xa4\xd2\xab\xa0']

  >     tree eval:b''

  >     fields eval:[b'revision']

  > EOF

  creating http peer for wire protocol version 2

  sending manifestdata command

  response: gen[

    {

      b'totalitems': 2

    },

    {

      b'fieldsfollowing': [

        [

          b'revision',

          292

        ]

      ],

      b'node': b'\x1b\x17[Y_\x02,\xfa\xb5\xb8\t\xcc\x0e\xd5Q\xbd\x0b?\xf5\xe4'

    },

    b'a\x002b4eb07319bfa077a40a2f04913659aef0da42da\nb\x00819e258d31a5e1606629f365bb902a1b21ee4216\ndir0/c\x00914445346a0ca0629bd47ceb5dfe07e4d4cf2501\ndir0/child0/e\x00bbba6c06b30f443d34ff841bc985c4d0827c6be4\ndir0/child1/f\x0012fc7dcd773b5a0a929ce195228083c6ddc9cec4\ndir0/d\x00538206dc971e521540d6843abfe6d16032f6d426\n',

    {

      b'deltabasenode': b'\x1b\x17[Y_\x02,\xfa\xb5\xb8\t\xcc\x0e\xd5Q\xbd\x0b?\xf5\xe4',

      b'fieldsfollowing': [

        [

          b'delta',

          55

        ]

      ],

      b'node': b'F\xa6r\x1b^\xda\xf0\xea\x04\xb7\x9a\\\xb3!\x88T\xa4\xd2\xab\xa0'

    },

    b'\x00\x00\x00\x00\x00\x00\x00+\x00\x00\x00+a\x000879345e39377229634b420c639454156726c6b6\n'

  ]

With haveparents=True, first revision is a delta instead of fulltext

  $ sendhttpv2peer << EOF

  > command manifestdata

  >     nodes eval:[b'\x1b\x17\x5b\x59\x5f\x02\x2c\xfa\xb5\xb8\x09\xcc\x0e\xd5\x51\xbd\x0b\x3f\xf5\xe4', b'\x46\xa6\x72\x1b\x5e\xda\xf0\xea\x04\xb7\x9a\x5c\xb3\x21\x88\x54\xa4\xd2\xab\xa0']

  >     tree eval:b''

  >     fields eval:[b'revision']

  >     haveparents eval:True

  > EOF

  creating http peer for wire protocol version 2

  sending manifestdata command

  response: gen[

    {

      b'totalitems': 2

    },

    {

      b'fieldsfollowing': [

        [

          b'revision',

          292

        ]

      ],

      b'node': b'\x1b\x17[Y_\x02,\xfa\xb5\xb8\t\xcc\x0e\xd5Q\xbd\x0b?\xf5\xe4'

    },

    b'a\x002b4eb07319bfa077a40a2f04913659aef0da42da\nb\x00819e258d31a5e1606629f365bb902a1b21ee4216\ndir0/c\x00914445346a0ca0629bd47ceb5dfe07e4d4cf2501\ndir0/child0/e\x00bbba6c06b30f443d34ff841bc985c4d0827c6be4\ndir0/child1/f\x0012fc7dcd773b5a0a929ce195228083c6ddc9cec4\ndir0/d\x00538206dc971e521540d6843abfe6d16032f6d426\n',

    {

      b'deltabasenode': b'\x1b\x17[Y_\x02,\xfa\xb5\xb8\t\xcc\x0e\xd5Q\xbd\x0b?\xf5\xe4',

      b'fieldsfollowing': [

        [

          b'delta',

          55

        ]

      ],

      b'node': b'F\xa6r\x1b^\xda\xf0\xea\x04\xb7\x9a\\\xb3!\x88T\xa4\xd2\xab\xa0'

    },

    b'\x00\x00\x00\x00\x00\x00\x00+\x00\x00\x00+a\x000879345e39377229634b420c639454156726c6b6\n'

  ]

Revisions are sorted by DAG order, parents first

  $ sendhttpv2peer << EOF

  > command manifestdata

  >     nodes eval:[b'\x46\xa6\x72\x1b\x5e\xda\xf0\xea\x04\xb7\x9a\x5c\xb3\x21\x88\x54\xa4\xd2\xab\xa0', b'\x1b\x17\x5b\x59\x5f\x02\x2c\xfa\xb5\xb8\x09\xcc\x0e\xd5\x51\xbd\x0b\x3f\xf5\xe4']

  >     tree eval:b''

  >     fields eval:[b'revision']

  > EOF

  creating http peer for wire protocol version 2

  sending manifestdata command

  response: gen[

    {

      b'totalitems': 2

    },

    {

      b'fieldsfollowing': [

        [

          b'revision',

          292

        ]

      ],

      b'node': b'\x1b\x17[Y_\x02,\xfa\xb5\xb8\t\xcc\x0e\xd5Q\xbd\x0b?\xf5\xe4'

    },

    b'a\x002b4eb07319bfa077a40a2f04913659aef0da42da\nb\x00819e258d31a5e1606629f365bb902a1b21ee4216\ndir0/c\x00914445346a0ca0629bd47ceb5dfe07e4d4cf2501\ndir0/child0/e\x00bbba6c06b30f443d34ff841bc985c4d0827c6be4\ndir0/child1/f\x0012fc7dcd773b5a0a929ce195228083c6ddc9cec4\ndir0/d\x00538206dc971e521540d6843abfe6d16032f6d426\n',

    {

      b'deltabasenode': b'\x1b\x17[Y_\x02,\xfa\xb5\xb8\t\xcc\x0e\xd5Q\xbd\x0b?\xf5\xe4',

      b'fieldsfollowing': [

        [

          b'delta',

          55

        ]

      ],

      b'node': b'F\xa6r\x1b^\xda\xf0\xea\x04\xb7\x9a\\\xb3!\x88T\xa4\xd2\xab\xa0'

    },

    b'\x00\x00\x00\x00\x00\x00\x00+\x00\x00\x00+a\x000879345e39377229634b420c639454156726c6b6\n'

  ]

Requesting parents and revision data works

  $ sendhttpv2peer << EOF

  > command manifestdata

  >     nodes eval:[b'\x1b\x17\x5b\x59\x5f\x02\x2c\xfa\xb5\xb8\x09\xcc\x0e\xd5\x51\xbd\x0b\x3f\xf5\xe4', b'\x46\xa6\x72\x1b\x5e\xda\xf0\xea\x04\xb7\x9a\x5c\xb3\x21\x88\x54\xa4\xd2\xab\xa0']

  >     tree eval:b''

  >     fields eval:[b'parents', b'revision']

  > EOF

  creating http peer for wire protocol version 2

  sending manifestdata command

  response: gen[

    {

      b'totalitems': 2

    },

    {

      b'fieldsfollowing': [

        [

          b'revision',

          292

        ]

      ],

      b'node': b'\x1b\x17[Y_\x02,\xfa\xb5\xb8\t\xcc\x0e\xd5Q\xbd\x0b?\xf5\xe4',

      b'parents': [

        b'\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00',

        b'\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00'

      ]

    },

    b'a\x002b4eb07319bfa077a40a2f04913659aef0da42da\nb\x00819e258d31a5e1606629f365bb902a1b21ee4216\ndir0/c\x00914445346a0ca0629bd47ceb5dfe07e4d4cf2501\ndir0/child0/e\x00bbba6c06b30f443d34ff841bc985c4d0827c6be4\ndir0/child1/f\x0012fc7dcd773b5a0a929ce195228083c6ddc9cec4\ndir0/d\x00538206dc971e521540d6843abfe6d16032f6d426\n',

    {

      b'deltabasenode': b'\x1b\x17[Y_\x02,\xfa\xb5\xb8\t\xcc\x0e\xd5Q\xbd\x0b?\xf5\xe4',

      b'fieldsfollowing': [

        [

          b'delta',

          55

        ]

      ],

      b'node': b'F\xa6r\x1b^\xda\xf0\xea\x04\xb7\x9a\\\xb3!\x88T\xa4\xd2\xab\xa0',

      b'parents': [

        b'\x1b\x17[Y_\x02,\xfa\xb5\xb8\t\xcc\x0e\xd5Q\xbd\x0b?\xf5\xe4',

        b'\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00'

      ]

    },

    b'\x00\x00\x00\x00\x00\x00\x00+\x00\x00\x00+a\x000879345e39377229634b420c639454156726c6b6\n'

  ]

  $ cat error.log