$ . $TESTDIR/wireprotohelpers.sh

  $ hg init server

  $ enablehttpv2 server

  $ cd server

  $ cat > a << EOF

  > a0

  > 00000000000000000000000000000000000000

  > 11111111111111111111111111111111111111

  > EOF

  $ cat > b << EOF

  > b0

  > aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa

  > bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb

  > EOF

  $ 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

  $ echo g0 > g

  $ echo h0 > h

  $ hg -q commit -A -m 'commit 1'

  $ echo f1 > dir0/child1/f

  $ echo i0 > dir0/i

  $ hg -q commit -A -m 'commit 2'

  $ hg -q up -r 0

  $ echo a2 >> a

  $ hg commit -m 'commit 3'

  created new head

Create multiple heads introducing the same file nodefile node

  $ hg -q up -r 0

  $ echo foo > dupe-file

  $ hg commit -Am 'dupe 1'

  adding dupe-file

  created new head

  $ hg -q up -r 0

  $ echo foo > dupe-file

  $ hg commit -Am 'dupe 2'

  adding dupe-file

  created new head

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

  @  5:47fc30580911232cb264675b402819deddf6c6f0 dupe 2

  |

  | o  4:b16cce2967c1749ef4f4e3086a806cfbad8a3af7 dupe 1

  |/

  | o  3:476fbf122cd82f6726f0191ff146f67140946abc commit 3

  |/

  | o  2:b91c03cbba3519ab149b6cd0a0afbdb5cf1b5c8a commit 2

  | |

  | o  1:5b0b1a23577e205ea240e39c9704e28d7697cbd8 commit 1

  |/

  o  0:6e875ff18c227659ad6143bb3580c65700734884 commit 0

  $ 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 filesdata

  > EOF

  creating http peer for wire protocol version 2

  sending filesdata command

  abort: missing required arguments: revisions!

  [255]

Bad pattern to pathfilter is rejected

  $ sendhttpv2peer << EOF

  > command filesdata

  >     revisions eval:[{

  >          b'type': b'changesetexplicit',

  >          b'nodes': [

  >              b'\x5b\x0b\x1a\x23\x57\x7e\x20\x5e\xa2\x40\xe3\x9c\x97\x04\xe2\x8d\x76\x97\xcb\xd8',

  >          ]}]

  >     pathfilter eval:{b'include': [b'bad:foo']}

  > EOF

  creating http peer for wire protocol version 2

  sending filesdata command

  abort: include pattern must begin with `path:` or `rootfilesin:`; got bad:foo!

  [255]

  $ sendhttpv2peer << EOF

  > command filesdata

  >     revisions eval:[{

  >         b'type': b'changesetexplicit',

  >         b'nodes': [

  >             b'\x5b\x0b\x1a\x23\x57\x7e\x20\x5e\xa2\x40\xe3\x9c\x97\x04\xe2\x8d\x76\x97\xcb\xd8',

  >         ]}]

  >     pathfilter eval:{b'exclude': [b'glob:foo']}

  > EOF

  creating http peer for wire protocol version 2

  sending filesdata command

  abort: exclude pattern must begin with `path:` or `rootfilesin:`; got glob:foo!

  [255]

Fetching a single changeset without parents fetches all files

  $ sendhttpv2peer << EOF

  > command filesdata

  >     revisions eval:[{

  >         b'type': b'changesetexplicit',

  >         b'nodes': [

  >             b'\x5b\x0b\x1a\x23\x57\x7e\x20\x5e\xa2\x40\xe3\x9c\x97\x04\xe2\x8d\x76\x97\xcb\xd8',

  >         ]}]

  > EOF

  creating http peer for wire protocol version 2

  sending filesdata command

  response: gen[

    {

      b'totalitems': 8,

      b'totalpaths': 8

    },

    {

      b'path': b'a',

      b'totalitems': 1

    },

    {

      b'node': b'\n\x862\x1f\x13y\xd1\xa9\xec\xd0W\x9a"\x97z\xf7\xa5\xac\xaf\x11'

    },

    {

      b'path': b'b',

      b'totalitems': 1

    },

    {

      b'node': b'\x88\xbac\xb8\xd8\xc6 :\xc6z\xc9\x98\xac\xd9\x17K\xf7\x05!\xb2'

    },

    {

      b'path': b'dir0/c',

      b'totalitems': 1

    },

    {

      b'node': b'\x91DE4j\x0c\xa0b\x9b\xd4|\xeb]\xfe\x07\xe4\xd4\xcf%\x01'

    },

    {

      b'path': b'dir0/child0/e',

      b'totalitems': 1

    },

    {

      b'node': b'\xbb\xbal\x06\xb3\x0fD=4\xff\x84\x1b\xc9\x85\xc4\xd0\x82|k\xe4'

    },

    {

      b'path': b'dir0/child1/f',

      b'totalitems': 1

    },

    {

      b'node': b'\x12\xfc}\xcdw;Z\n\x92\x9c\xe1\x95"\x80\x83\xc6\xdd\xc9\xce\xc4'

    },

    {

      b'path': b'dir0/d',

      b'totalitems': 1

    },

    {

      b'node': b'\x93\x88)\xad\x01R}2\xba\x06_\x81#6\xfe\xc7\x9d\xdd9G'

    },

    {

      b'path': b'g',

      b'totalitems': 1

    },

    {

      b'node': b'\xde\xca\xba5DFjI\x95r\xe9\x0f\xac\xe6\xfa\x0c!k\xba\x8c'

    },

    {

      b'path': b'h',

      b'totalitems': 1

    },

    {

      b'node': b'\x03A\xfc\x84\x1b\xb5\xb4\xba\x93\xb2mM\xdaa\xf7y6]\xb3K'

    }

  ]

Fetching a single changeset saying parents data is available fetches just new files

  $ sendhttpv2peer << EOF

  > command filesdata

  >     revisions eval:[{

  >         b'type': b'changesetexplicit',

  >         b'nodes': [

  >             b'\x5b\x0b\x1a\x23\x57\x7e\x20\x5e\xa2\x40\xe3\x9c\x97\x04\xe2\x8d\x76\x97\xcb\xd8',

  >         ]}]

  >     haveparents eval:True

  > EOF

  creating http peer for wire protocol version 2

  sending filesdata command

  response: gen[

    {

      b'totalitems': 4,

      b'totalpaths': 4

    },

    {

      b'path': b'a',

      b'totalitems': 1

    },

    {

      b'node': b'\n\x862\x1f\x13y\xd1\xa9\xec\xd0W\x9a"\x97z\xf7\xa5\xac\xaf\x11'

    },

    {

      b'path': b'dir0/d',

      b'totalitems': 1

    },

    {

      b'node': b'\x93\x88)\xad\x01R}2\xba\x06_\x81#6\xfe\xc7\x9d\xdd9G'

    },

    {

      b'path': b'g',

      b'totalitems': 1

    },

    {

      b'node': b'\xde\xca\xba5DFjI\x95r\xe9\x0f\xac\xe6\xfa\x0c!k\xba\x8c'

    },

    {

      b'path': b'h',

      b'totalitems': 1

    },

    {

      b'node': b'\x03A\xfc\x84\x1b\xb5\xb4\xba\x93\xb2mM\xdaa\xf7y6]\xb3K'

    }

  ]

A path filter for a sub-directory is honored

  $ sendhttpv2peer << EOF

  > command filesdata

  >     revisions eval:[{

  >         b'type': b'changesetexplicit',

  >         b'nodes': [

  >             b'\x5b\x0b\x1a\x23\x57\x7e\x20\x5e\xa2\x40\xe3\x9c\x97\x04\xe2\x8d\x76\x97\xcb\xd8',

  >         ]}]

  >     haveparents eval:True

  >     pathfilter eval:{b'include': [b'path:dir0']}

  > EOF

  creating http peer for wire protocol version 2

  sending filesdata command

  response: gen[

    {

      b'totalitems': 1,

      b'totalpaths': 1

    },

    {

      b'path': b'dir0/d',

      b'totalitems': 1

    },

    {

      b'node': b'\x93\x88)\xad\x01R}2\xba\x06_\x81#6\xfe\xc7\x9d\xdd9G'

    }

  ]

  $ sendhttpv2peer << EOF

  > command filesdata

  >     revisions eval:[{

  >         b'type': b'changesetexplicit',

  >         b'nodes': [

  >             b'\x5b\x0b\x1a\x23\x57\x7e\x20\x5e\xa2\x40\xe3\x9c\x97\x04\xe2\x8d\x76\x97\xcb\xd8',

  >         ]}]

  >     haveparents eval:True

  >     pathfilter eval:{b'exclude': [b'path:a', b'path:g']}

  > EOF

  creating http peer for wire protocol version 2

  sending filesdata command

  response: gen[

    {

      b'totalitems': 2,

      b'totalpaths': 2

    },

    {

      b'path': b'dir0/d',

      b'totalitems': 1

    },

    {

      b'node': b'\x93\x88)\xad\x01R}2\xba\x06_\x81#6\xfe\xc7\x9d\xdd9G'

    },

    {

      b'path': b'h',

      b'totalitems': 1

    },

    {

      b'node': b'\x03A\xfc\x84\x1b\xb5\xb4\xba\x93\xb2mM\xdaa\xf7y6]\xb3K'

    }

  ]

Requesting multiple changeset nodes without haveparents sends all data for both

  $ sendhttpv2peer << EOF

  > command filesdata

  >     revisions eval:[{

  >         b'type': b'changesetexplicit',

  >         b'nodes': [

  >             b'\x5b\x0b\x1a\x23\x57\x7e\x20\x5e\xa2\x40\xe3\x9c\x97\x04\xe2\x8d\x76\x97\xcb\xd8',

  >             b'\xb9\x1c\x03\xcb\xba\x35\x19\xab\x14\x9b\x6c\xd0\xa0\xaf\xbd\xb5\xcf\x1b\x5c\x8a',

  >         ]}]

  > EOF

  creating http peer for wire protocol version 2

  sending filesdata command

  response: gen[

    {

      b'totalitems': 10,

      b'totalpaths': 9

    },

    {

      b'path': b'a',

      b'totalitems': 1

    },

    {

      b'node': b'\n\x862\x1f\x13y\xd1\xa9\xec\xd0W\x9a"\x97z\xf7\xa5\xac\xaf\x11'

    },

    {

      b'path': b'b',

      b'totalitems': 1

    },

    {

      b'node': b'\x88\xbac\xb8\xd8\xc6 :\xc6z\xc9\x98\xac\xd9\x17K\xf7\x05!\xb2'

    },

    {

      b'path': b'dir0/c',

      b'totalitems': 1

    },

    {

      b'node': b'\x91DE4j\x0c\xa0b\x9b\xd4|\xeb]\xfe\x07\xe4\xd4\xcf%\x01'

    },

    {

      b'path': b'dir0/child0/e',

      b'totalitems': 1

    },

    {

      b'node': b'\xbb\xbal\x06\xb3\x0fD=4\xff\x84\x1b\xc9\x85\xc4\xd0\x82|k\xe4'

    },

    {

      b'path': b'dir0/child1/f',

      b'totalitems': 2

    },

    {

      b'node': b'\x12\xfc}\xcdw;Z\n\x92\x9c\xe1\x95"\x80\x83\xc6\xdd\xc9\xce\xc4'

    },

    {

      b'node': b'(\xc7v\xae\x08\xd0\xd5^\xb4\x06H\xb4\x01\xb9\x0f\xf5DH4\x8e'

    },

    {

      b'path': b'dir0/d',

      b'totalitems': 1

    },

    {

      b'node': b'\x93\x88)\xad\x01R}2\xba\x06_\x81#6\xfe\xc7\x9d\xdd9G'

    },

    {

      b'path': b'dir0/i',

      b'totalitems': 1

    },

    {

      b'node': b'\xd7t\xb5\x80Jq\xfd1\xe1\xae\x05\xea\x8e2\xdd\x9b\xa3\xd8S\xd7'

    },

    {

      b'path': b'g',

      b'totalitems': 1

    },

    {

      b'node': b'\xde\xca\xba5DFjI\x95r\xe9\x0f\xac\xe6\xfa\x0c!k\xba\x8c'

    },

    {

      b'path': b'h',

      b'totalitems': 1

    },

    {

      b'node': b'\x03A\xfc\x84\x1b\xb5\xb4\xba\x93\xb2mM\xdaa\xf7y6]\xb3K'

    }

  ]

Requesting multiple changeset nodes with haveparents sends incremental data for both

  $ sendhttpv2peer << EOF

  > command filesdata

  >     revisions eval:[{

  >         b'type': b'changesetexplicit',

  >         b'nodes': [

  >             b'\x5b\x0b\x1a\x23\x57\x7e\x20\x5e\xa2\x40\xe3\x9c\x97\x04\xe2\x8d\x76\x97\xcb\xd8',

  >             b'\xb9\x1c\x03\xcb\xba\x35\x19\xab\x14\x9b\x6c\xd0\xa0\xaf\xbd\xb5\xcf\x1b\x5c\x8a',

  >         ]}]

  >     haveparents eval:True

  > EOF

  creating http peer for wire protocol version 2

  sending filesdata command

  response: gen[

    {

      b'totalitems': 6,

      b'totalpaths': 6

    },

    {

      b'path': b'a',

      b'totalitems': 1

    },

    {

      b'node': b'\n\x862\x1f\x13y\xd1\xa9\xec\xd0W\x9a"\x97z\xf7\xa5\xac\xaf\x11'

    },

    {

      b'path': b'dir0/child1/f',

      b'totalitems': 1

    },

    {

      b'node': b'(\xc7v\xae\x08\xd0\xd5^\xb4\x06H\xb4\x01\xb9\x0f\xf5DH4\x8e'