view tests/test-wireproto-command-filesdata.t @ 40293:c303d65d2e34

help: assigning categories to existing commands

I'm separating this into its own commit so people can bikeshed over the actual
categorization (vs the support for categories). These categories are based on
the help implementation we've been using internally at Google, and have had
zero complaints.

Differential Revision: https://phab.mercurial-scm.org/D5067

  $ . $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

  $ hg log -G -T '{rev}:{node} {desc}\n'
  @  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'
    },
    {
      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 parents works

  $ 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',
  >         ]}]
  >     fields eval:[b'parents']
  > 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'parents': [
        b'd\x9d\x14\x9d\xf4=\x83\x88%#\xb7\xfb\x1ej:\xf6\xf1\x90{9',
        b'\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00'
      ]
    },
    {
      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'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'path': b'dir0/c',
      b'totalitems': 1
    },
    {
      b'node': b'\x91DE4j\x0c\xa0b\x9b\xd4|\xeb]\xfe\x07\xe4\xd4\xcf%\x01',
      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'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'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'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'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'path': b'dir0/d',
      b'totalitems': 1
    },
    {
      b'node': b'\x93\x88)\xad\x01R}2\xba\x06_\x81#6\xfe\xc7\x9d\xdd9G',
      b'parents': [
        b'S\x82\x06\xdc\x97\x1eR\x15@\xd6\x84:\xbf\xe6\xd1`2\xf6\xd4&',
        b'\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00'
      ]
    },
    {
      b'path': b'g',
      b'totalitems': 1
    },
    {
      b'node': b'\xde\xca\xba5DFjI\x95r\xe9\x0f\xac\xe6\xfa\x0c!k\xba\x8c',
      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'path': b'h',
      b'totalitems': 1
    },
    {
      b'node': b'\x03A\xfc\x84\x1b\xb5\xb4\xba\x93\xb2mM\xdaa\xf7y6]\xb3K',
      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'
      ]
    }
  ]

Requesting revision data works
(haveparents defaults to False, so fulltext is emitted)

  $ 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',
  >         ]}]
  >     fields eval:[b'revision']
  > 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'fieldsfollowing': [
        [
          b'revision',
          84
        ]
      ],
      b'node': b'\n\x862\x1f\x13y\xd1\xa9\xec\xd0W\x9a"\x97z\xf7\xa5\xac\xaf\x11'
    },
    b'a0\n00000000000000000000000000000000000000\n11111111111111111111111111111111111111\na1\n',
    {
      b'path': b'b',
      b'totalitems': 1
    },
    {
      b'fieldsfollowing': [
        [
          b'revision',
          81
        ]
      ],
      b'node': b'\x88\xbac\xb8\xd8\xc6 :\xc6z\xc9\x98\xac\xd9\x17K\xf7\x05!\xb2'
    },
    b'b0\naaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa\nbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb\n',
    {
      b'path': b'dir0/c',
      b'totalitems': 1
    },
    {
      b'fieldsfollowing': [
        [
          b'revision',
          3
        ]
      ],
      b'node': b'\x91DE4j\x0c\xa0b\x9b\xd4|\xeb]\xfe\x07\xe4\xd4\xcf%\x01'
    },
    b'c0\n',
    {
      b'path': b'dir0/child0/e',
      b'totalitems': 1
    },
    {
      b'fieldsfollowing': [
        [
          b'revision',
          3
        ]
      ],
      b'node': b'\xbb\xbal\x06\xb3\x0fD=4\xff\x84\x1b\xc9\x85\xc4\xd0\x82|k\xe4'
    },
    b'e0\n',
    {
      b'path': b'dir0/child1/f',
      b'totalitems': 1
    },
    {
      b'fieldsfollowing': [
        [
          b'revision',
          3
        ]
      ],
      b'node': b'\x12\xfc}\xcdw;Z\n\x92\x9c\xe1\x95"\x80\x83\xc6\xdd\xc9\xce\xc4'
    },
    b'f0\n',
    {
      b'path': b'dir0/d',
      b'totalitems': 1
    },
    {
      b'fieldsfollowing': [
        [
          b'revision',
          3
        ]
      ],
      b'node': b'\x93\x88)\xad\x01R}2\xba\x06_\x81#6\xfe\xc7\x9d\xdd9G'
    },
    b'd1\n',
    {
      b'path': b'g',
      b'totalitems': 1
    },
    {
      b'fieldsfollowing': [
        [
          b'revision',
          3
        ]
      ],
      b'node': b'\xde\xca\xba5DFjI\x95r\xe9\x0f\xac\xe6\xfa\x0c!k\xba\x8c'
    },
    b'g0\n',
    {
      b'path': b'h',
      b'totalitems': 1
    },
    {
      b'fieldsfollowing': [
        [
          b'revision',
          3
        ]
      ],
      b'node': b'\x03A\xfc\x84\x1b\xb5\xb4\xba\x93\xb2mM\xdaa\xf7y6]\xb3K'
    },
    b'h0\n'
  ]

haveparents=False should be same as above

  $ 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',
  >         ]}]
  >     fields eval:[b'revision']
  >     haveparents eval:False
  > 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'fieldsfollowing': [
        [
          b'revision',
          84
        ]
      ],
      b'node': b'\n\x862\x1f\x13y\xd1\xa9\xec\xd0W\x9a"\x97z\xf7\xa5\xac\xaf\x11'
    },
    b'a0\n00000000000000000000000000000000000000\n11111111111111111111111111111111111111\na1\n',
    {
      b'path': b'b',
      b'totalitems': 1
    },
    {
      b'fieldsfollowing': [
        [
          b'revision',
          81
        ]
      ],
      b'node': b'\x88\xbac\xb8\xd8\xc6 :\xc6z\xc9\x98\xac\xd9\x17K\xf7\x05!\xb2'
    },
    b'b0\naaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa\nbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb\n',
    {
      b'path': b'dir0/c',
      b'totalitems': 1
    },
    {
      b'fieldsfollowing': [
        [
          b'revision',
          3
        ]
      ],
      b'node': b'\x91DE4j\x0c\xa0b\x9b\xd4|\xeb]\xfe\x07\xe4\xd4\xcf%\x01'
    },
    b'c0\n',
    {
      b'path': b'dir0/child0/e',
      b'totalitems': 1
    },
    {
      b'fieldsfollowing': [
        [
          b'revision',
          3
        ]
      ],
      b'node': b'\xbb\xbal\x06\xb3\x0fD=4\xff\x84\x1b\xc9\x85\xc4\xd0\x82|k\xe4'
    },
    b'e0\n',
    {
      b'path': b'dir0/child1/f',
      b'totalitems': 1
    },
    {
      b'fieldsfollowing': [
        [
          b'revision',
          3
        ]
      ],
      b'node': b'\x12\xfc}\xcdw;Z\n\x92\x9c\xe1\x95"\x80\x83\xc6\xdd\xc9\xce\xc4'
    },
    b'f0\n',
    {
      b'path': b'dir0/d',
      b'totalitems': 1
    },
    {
      b'fieldsfollowing': [
        [
          b'revision',
          3
        ]
      ],
      b'node': b'\x93\x88)\xad\x01R}2\xba\x06_\x81#6\xfe\xc7\x9d\xdd9G'
    },
    b'd1\n',
    {
      b'path': b'g',
      b'totalitems': 1
    },
    {
      b'fieldsfollowing': [
        [
          b'revision',
          3
        ]
      ],
      b'node': b'\xde\xca\xba5DFjI\x95r\xe9\x0f\xac\xe6\xfa\x0c!k\xba\x8c'
    },
    b'g0\n',
    {
      b'path': b'h',
      b'totalitems': 1
    },
    {
      b'fieldsfollowing': [
        [
          b'revision',
          3
        ]
      ],
      b'node': b'\x03A\xfc\x84\x1b\xb5\xb4\xba\x93\xb2mM\xdaa\xf7y6]\xb3K'
    },
    b'h0\n'
  ]

haveparents=True should emit a delta

  $ 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',
  >         ]}]
  >     fields eval:[b'revision']
  >     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'deltabasenode': b'd\x9d\x14\x9d\xf4=\x83\x88%#\xb7\xfb\x1ej:\xf6\xf1\x90{9',
      b'fieldsfollowing': [
        [
          b'delta',
          15
        ]
      ],
      b'node': b'\n\x862\x1f\x13y\xd1\xa9\xec\xd0W\x9a"\x97z\xf7\xa5\xac\xaf\x11'
    },
    b'\x00\x00\x00Q\x00\x00\x00Q\x00\x00\x00\x03a1\n',
    {
      b'path': b'dir0/d',
      b'totalitems': 1
    },
    {
      b'deltabasenode': b'S\x82\x06\xdc\x97\x1eR\x15@\xd6\x84:\xbf\xe6\xd1`2\xf6\xd4&',
      b'fieldsfollowing': [
        [
          b'delta',
          15
        ]
      ],
      b'node': b'\x93\x88)\xad\x01R}2\xba\x06_\x81#6\xfe\xc7\x9d\xdd9G'
    },
    b'\x00\x00\x00\x00\x00\x00\x00\x03\x00\x00\x00\x03d1\n',
    {
      b'path': b'g',
      b'totalitems': 1
    },
    {
      b'fieldsfollowing': [
        [
          b'revision',
          3
        ]
      ],
      b'node': b'\xde\xca\xba5DFjI\x95r\xe9\x0f\xac\xe6\xfa\x0c!k\xba\x8c'
    },
    b'g0\n',
    {
      b'path': b'h',
      b'totalitems': 1
    },
    {
      b'fieldsfollowing': [
        [
          b'revision',
          3
        ]
      ],
      b'node': b'\x03A\xfc\x84\x1b\xb5\xb4\xba\x93\xb2mM\xdaa\xf7y6]\xb3K'
    },
    b'h0\n'
  ]

Requesting multiple revisions works
(first revision is a fulltext since haveparents=False by default)

  $ sendhttpv2peer << EOF
  > command filesdata
  >     revisions eval:[{
  >         b'type': b'changesetexplicit',
  >         b'nodes': [
  >             b'\x6e\x87\x5f\xf1\x8c\x22\x76\x59\xad\x61\x43\xbb\x35\x80\xc6\x57\x00\x73\x48\x84',
  >             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',
  >         ]}]
  >     fields eval:[b'revision']
  > EOF
  creating http peer for wire protocol version 2
  sending filesdata command
  response: gen[
    {
      b'totalitems': 12,
      b'totalpaths': 9
    },
    {
      b'path': b'a',
      b'totalitems': 2
    },
    {
      b'fieldsfollowing': [
        [
          b'revision',
          81
        ]
      ],
      b'node': b'd\x9d\x14\x9d\xf4=\x83\x88%#\xb7\xfb\x1ej:\xf6\xf1\x90{9'
    },
    b'a0\n00000000000000000000000000000000000000\n11111111111111111111111111111111111111\n',
    {
      b'deltabasenode': b'd\x9d\x14\x9d\xf4=\x83\x88%#\xb7\xfb\x1ej:\xf6\xf1\x90{9',
      b'fieldsfollowing': [
        [
          b'delta',
          15
        ]
      ],
      b'node': b'\n\x862\x1f\x13y\xd1\xa9\xec\xd0W\x9a"\x97z\xf7\xa5\xac\xaf\x11'
    },
    b'\x00\x00\x00Q\x00\x00\x00Q\x00\x00\x00\x03a1\n',
    {
      b'path': b'b',
      b'totalitems': 1
    },
    {
      b'fieldsfollowing': [
        [
          b'revision',
          81
        ]
      ],
      b'node': b'\x88\xbac\xb8\xd8\xc6 :\xc6z\xc9\x98\xac\xd9\x17K\xf7\x05!\xb2'
    },
    b'b0\naaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa\nbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb\n',
    {
      b'path': b'dir0/c',
      b'totalitems': 1
    },
    {
      b'fieldsfollowing': [
        [
          b'revision',
          3
        ]
      ],
      b'node': b'\x91DE4j\x0c\xa0b\x9b\xd4|\xeb]\xfe\x07\xe4\xd4\xcf%\x01'
    },
    b'c0\n',
    {
      b'path': b'dir0/child0/e',
      b'totalitems': 1
    },
    {
      b'fieldsfollowing': [
        [
          b'revision',
          3
        ]
      ],
      b'node': b'\xbb\xbal\x06\xb3\x0fD=4\xff\x84\x1b\xc9\x85\xc4\xd0\x82|k\xe4'
    },
    b'e0\n',
    {
      b'path': b'dir0/child1/f',
      b'totalitems': 2
    },
    {
      b'fieldsfollowing': [
        [
          b'revision',
          3
        ]
      ],
      b'node': b'\x12\xfc}\xcdw;Z\n\x92\x9c\xe1\x95"\x80\x83\xc6\xdd\xc9\xce\xc4'
    },
    b'f0\n',
    {
      b'deltabasenode': b'\x12\xfc}\xcdw;Z\n\x92\x9c\xe1\x95"\x80\x83\xc6\xdd\xc9\xce\xc4',
      b'fieldsfollowing': [
        [
          b'delta',
          15
        ]
      ],
      b'node': b'(\xc7v\xae\x08\xd0\xd5^\xb4\x06H\xb4\x01\xb9\x0f\xf5DH4\x8e'
    },
    b'\x00\x00\x00\x00\x00\x00\x00\x03\x00\x00\x00\x03f1\n',
    {
      b'path': b'dir0/d',
      b'totalitems': 2
    },
    {
      b'fieldsfollowing': [
        [
          b'revision',
          3
        ]
      ],
      b'node': b'S\x82\x06\xdc\x97\x1eR\x15@\xd6\x84:\xbf\xe6\xd1`2\xf6\xd4&'
    },
    b'd0\n',
    {
      b'deltabasenode': b'S\x82\x06\xdc\x97\x1eR\x15@\xd6\x84:\xbf\xe6\xd1`2\xf6\xd4&',
      b'fieldsfollowing': [
        [
          b'delta',
          15
        ]
      ],
      b'node': b'\x93\x88)\xad\x01R}2\xba\x06_\x81#6\xfe\xc7\x9d\xdd9G'
    },
    b'\x00\x00\x00\x00\x00\x00\x00\x03\x00\x00\x00\x03d1\n',
    {
      b'path': b'dir0/i',
      b'totalitems': 1
    },
    {
      b'fieldsfollowing': [
        [
          b'revision',
          3
        ]
      ],
      b'node': b'\xd7t\xb5\x80Jq\xfd1\xe1\xae\x05\xea\x8e2\xdd\x9b\xa3\xd8S\xd7'
    },
    b'i0\n',
    {
      b'path': b'g',
      b'totalitems': 1
    },
    {
      b'fieldsfollowing': [
        [
          b'revision',
          3
        ]
      ],
      b'node': b'\xde\xca\xba5DFjI\x95r\xe9\x0f\xac\xe6\xfa\x0c!k\xba\x8c'
    },
    b'g0\n',
    {
      b'path': b'h',
      b'totalitems': 1
    },
    {
      b'fieldsfollowing': [
        [
          b'revision',
          3
        ]
      ],
      b'node': b'\x03A\xfc\x84\x1b\xb5\xb4\xba\x93\xb2mM\xdaa\xf7y6]\xb3K'
    },
    b'h0\n'
  ]

  $ cat error.log