view tests/test-wireproto-command-changesetdata.t @ 44667:b561f3a68e41 stable

discovery: avoid wrongly saying there are nothing to pull We can get in a situation where a revision passed through `hg pull --rev REV` are available on the server, but not a descendant of the advertised server heads. For example the server could lying be during heads advertisement, to hide some pull request. Or obsolete/hidden content could be explicitly pulled. So in this case the lookup associated to `REV` returned successfully, but the normal discovery will find all advertised heads already known locally. This flip a special boolean `anyinc` that will prevent any fetch attempt, preventing `REV` to be pulled over. We add three line of code to detect this case and make sure a pull actually happens. My main target is to make some third party extensions happy (I expect the associated test to move upstream with the extension). However this fix already make some of the `infinitepush` test happier.
author Pierre-Yves David <pierre-yves.david@octobus.net>
date Mon, 06 Apr 2020 00:24:57 +0200
parents 41263df08109
children 95c4cca641f6
line wrap: on
line source

  $ . $TESTDIR/wireprotohelpers.sh

  $ hg init server
  $ enablehttpv2 server
  $ cd server
  $ cat >> .hg/hgrc << EOF
  > [phases]
  > publish = false
  > EOF
  $ echo a0 > a
  $ echo b0 > b

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

  $ echo a1 > a
  $ echo b1 > b
  $ hg commit -m 'commit 1'
  $ echo b2 > b
  $ hg commit -m 'commit 2'
  $ hg phase --public -r .

  $ 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:eae5f82c2e622368d27daecb76b7e393d0f24211 commit 3
  |
  | o  2:0bb8ad894a15b15380b2a2a5b183e20f2a4b28dd commit 2
  | |
  | o  1:7592917e1c3e82677cb0a4bc715ca25dd12d28c1 commit 1
  |/
  o  0:3390ef850073fbc2f0dfff2244342c8e9229013a commit 0
  

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

No arguments is an invalid request

  $ sendhttpv2peer << EOF
  > command changesetdata
  > EOF
  creating http peer for wire protocol version 2
  sending changesetdata command
  abort: missing required arguments: revisions!
  [255]

Missing nodes for changesetexplicit results in error

  $ sendhttpv2peer << EOF
  > command changesetdata
  >     revisions eval:[{b'type': b'changesetexplicit'}]
  > EOF
  creating http peer for wire protocol version 2
  sending changesetdata command
  abort: nodes key not present in changesetexplicit revision specifier!
  [255]

changesetexplicitdepth requires nodes and depth keys

  $ sendhttpv2peer << EOF
  > command changesetdata
  >     revisions eval:[{b'type': b'changesetexplicitdepth'}]
  > EOF
  creating http peer for wire protocol version 2
  sending changesetdata command
  abort: nodes key not present in changesetexplicitdepth revision specifier!
  [255]

  $ sendhttpv2peer << EOF
  > command changesetdata
  >     revisions eval:[{b'type': b'changesetexplicitdepth', b'nodes': []}]
  > EOF
  creating http peer for wire protocol version 2
  sending changesetdata command
  abort: depth key not present in changesetexplicitdepth revision specifier!
  [255]

  $ sendhttpv2peer << EOF
  > command changesetdata
  >     revisions eval:[{b'type': b'changesetexplicitdepth', b'depth': 42}]
  > EOF
  creating http peer for wire protocol version 2
  sending changesetdata command
  abort: nodes key not present in changesetexplicitdepth revision specifier!
  [255]

changesetdagrange requires roots and heads keys

  $ sendhttpv2peer << EOF
  > command changesetdata
  >     revisions eval:[{b'type': b'changesetdagrange'}]
  > EOF
  creating http peer for wire protocol version 2
  sending changesetdata command
  abort: roots key not present in changesetdagrange revision specifier!
  [255]

  $ sendhttpv2peer << EOF
  > command changesetdata
  >     revisions eval:[{b'type': b'changesetdagrange', b'roots': []}]
  > EOF
  creating http peer for wire protocol version 2
  sending changesetdata command
  abort: heads key not present in changesetdagrange revision specifier!
  [255]

  $ sendhttpv2peer << EOF
  > command changesetdata
  >     revisions eval:[{b'type': b'changesetdagrange', b'heads': [b'dummy']}]
  > EOF
  creating http peer for wire protocol version 2
  sending changesetdata command
  abort: roots key not present in changesetdagrange revision specifier!
  [255]

Empty changesetdagrange heads results in an error

  $ sendhttpv2peer << EOF
  > command changesetdata
  >     revisions eval:[{b'type': b'changesetdagrange', b'heads': [], b'roots': []}]
  > EOF
  creating http peer for wire protocol version 2
  sending changesetdata command
  abort: heads key in changesetdagrange cannot be empty!
  [255]

Sending just dagrange heads sends all revisions

  $ sendhttpv2peer << EOF
  > command changesetdata
  >     revisions eval:[{
  >         b'type': b'changesetdagrange',
  >         b'roots': [],
  >         b'heads': [
  >             b'\x0b\xb8\xad\x89\x4a\x15\xb1\x53\x80\xb2\xa2\xa5\xb1\x83\xe2\x0f\x2a\x4b\x28\xdd',
  >             b'\xea\xe5\xf8\x2c\x2e\x62\x23\x68\xd2\x7d\xae\xcb\x76\xb7\xe3\x93\xd0\xf2\x42\x11',
  >         ]}]
  > EOF
  creating http peer for wire protocol version 2
  sending changesetdata command
  response: gen[
    {
      b'totalitems': 4
    },
    {
      b'node': b'3\x90\xef\x85\x00s\xfb\xc2\xf0\xdf\xff"D4,\x8e\x92)\x01:'
    },
    {
      b'node': b'u\x92\x91~\x1c>\x82g|\xb0\xa4\xbcq\\\xa2]\xd1-(\xc1'
    },
    {
      b'node': b'\x0b\xb8\xad\x89J\x15\xb1S\x80\xb2\xa2\xa5\xb1\x83\xe2\x0f*K(\xdd'
    },
    {
      b'node': b'\xea\xe5\xf8,.b#h\xd2}\xae\xcbv\xb7\xe3\x93\xd0\xf2B\x11'
    }
  ]

Sending root nodes limits what data is sent

  $ sendhttpv2peer << EOF
  > command changesetdata
  >     revisions eval:[{
  >         b'type': b'changesetdagrange',
  >         b'roots': [b'\x33\x90\xef\x85\x00\x73\xfb\xc2\xf0\xdf\xff\x22\x44\x34\x2c\x8e\x92\x29\x01\x3a'],
  >         b'heads': [
  >             b'\x0b\xb8\xad\x89\x4a\x15\xb1\x53\x80\xb2\xa2\xa5\xb1\x83\xe2\x0f\x2a\x4b\x28\xdd',
  >         ]}]
  > EOF
  creating http peer for wire protocol version 2
  sending changesetdata command
  response: gen[
    {
      b'totalitems': 2
    },
    {
      b'node': b'u\x92\x91~\x1c>\x82g|\xb0\xa4\xbcq\\\xa2]\xd1-(\xc1'
    },
    {
      b'node': b'\x0b\xb8\xad\x89J\x15\xb1S\x80\xb2\xa2\xa5\xb1\x83\xe2\x0f*K(\xdd'
    }
  ]

Requesting data on a single node by node works

  $ sendhttpv2peer << EOF
  > command changesetdata
  >     revisions eval:[{
  >         b'type': b'changesetexplicit',
  >         b'nodes': [b'\x33\x90\xef\x85\x00\x73\xfb\xc2\xf0\xdf\xff\x22\x44\x34\x2c\x8e\x92\x29\x01\x3a']}]
  > EOF
  creating http peer for wire protocol version 2
  sending changesetdata command
  response: gen[
    {
      b'totalitems': 1
    },
    {
      b'node': b'3\x90\xef\x85\x00s\xfb\xc2\xf0\xdf\xff"D4,\x8e\x92)\x01:'
    }
  ]

Specifying a noderange and nodes takes union

  $ sendhttpv2peer << EOF
  > command changesetdata
  >     revisions eval:[
  >         {
  >             b'type': b'changesetexplicit',
  >             b'nodes': [b'\xea\xe5\xf8\x2c\x2e\x62\x23\x68\xd2\x7d\xae\xcb\x76\xb7\xe3\x93\xd0\xf2\x42\x11'],
  >         },
  >         {
  >             b'type': b'changesetdagrange',
  >             b'roots': [b'\x75\x92\x91\x7e\x1c\x3e\x82\x67\x7c\xb0\xa4\xbc\x71\x5c\xa2\x5d\xd1\x2d\x28\xc1'],
  >             b'heads': [b'\x0b\xb8\xad\x89\x4a\x15\xb1\x53\x80\xb2\xa2\xa5\xb1\x83\xe2\x0f\x2a\x4b\x28\xdd'],
  >         }]
  > EOF
  creating http peer for wire protocol version 2
  sending changesetdata command
  response: gen[
    {
      b'totalitems': 2
    },
    {
      b'node': b'\xea\xe5\xf8,.b#h\xd2}\xae\xcbv\xb7\xe3\x93\xd0\xf2B\x11'
    },
    {
      b'node': b'\x0b\xb8\xad\x89J\x15\xb1S\x80\xb2\xa2\xa5\xb1\x83\xe2\x0f*K(\xdd'
    }
  ]

nodesdepth of 1 limits to exactly requested nodes

  $ sendhttpv2peer << EOF
  > command changesetdata
  >     revisions eval:[{
  >         b'type': b'changesetexplicitdepth',
  >         b'nodes': [b'\xea\xe5\xf8\x2c\x2e\x62\x23\x68\xd2\x7d\xae\xcb\x76\xb7\xe3\x93\xd0\xf2\x42\x11'],
  >         b'depth': 1}] 
  > EOF
  creating http peer for wire protocol version 2
  sending changesetdata command
  response: gen[
    {
      b'totalitems': 1
    },
    {
      b'node': b'\xea\xe5\xf8,.b#h\xd2}\xae\xcbv\xb7\xe3\x93\xd0\xf2B\x11'
    }
  ]

nodesdepth of 2 limits to first ancestor

  $ sendhttpv2peer << EOF
  > command changesetdata
  >     revisions eval:[{
  >         b'type': b'changesetexplicitdepth',
  >         b'nodes': [b'\xea\xe5\xf8\x2c\x2e\x62\x23\x68\xd2\x7d\xae\xcb\x76\xb7\xe3\x93\xd0\xf2\x42\x11'],
  >         b'depth': 2}]
  > EOF
  creating http peer for wire protocol version 2
  sending changesetdata command
  response: gen[
    {
      b'totalitems': 2
    },
    {
      b'node': b'3\x90\xef\x85\x00s\xfb\xc2\xf0\xdf\xff"D4,\x8e\x92)\x01:'
    },
    {
      b'node': b'\xea\xe5\xf8,.b#h\xd2}\xae\xcbv\xb7\xe3\x93\xd0\xf2B\x11'
    }
  ]

nodesdepth with multiple nodes

  $ sendhttpv2peer << EOF
  > command changesetdata
  >     revisions eval:[{
  >         b'type': b'changesetexplicitdepth',
  >         b'nodes': [b'\xea\xe5\xf8\x2c\x2e\x62\x23\x68\xd2\x7d\xae\xcb\x76\xb7\xe3\x93\xd0\xf2\x42\x11', b'\x0b\xb8\xad\x89\x4a\x15\xb1\x53\x80\xb2\xa2\xa5\xb1\x83\xe2\x0f\x2a\x4b\x28\xdd'],
  >         b'depth': 2}]
  > EOF
  creating http peer for wire protocol version 2
  sending changesetdata command
  response: gen[
    {
      b'totalitems': 4
    },
    {
      b'node': b'3\x90\xef\x85\x00s\xfb\xc2\xf0\xdf\xff"D4,\x8e\x92)\x01:'
    },
    {
      b'node': b'u\x92\x91~\x1c>\x82g|\xb0\xa4\xbcq\\\xa2]\xd1-(\xc1'
    },
    {
      b'node': b'\x0b\xb8\xad\x89J\x15\xb1S\x80\xb2\xa2\xa5\xb1\x83\xe2\x0f*K(\xdd'
    },
    {
      b'node': b'\xea\xe5\xf8,.b#h\xd2}\xae\xcbv\xb7\xe3\x93\xd0\xf2B\x11'
    }
  ]

Parents data is transferred upon request

  $ sendhttpv2peer << EOF
  > command changesetdata
  >     fields eval:[b'parents']
  >     revisions eval:[{
  >         b'type': b'changesetexplicit',
  >         b'nodes': [
  >             b'\xea\xe5\xf8\x2c\x2e\x62\x23\x68\xd2\x7d\xae\xcb\x76\xb7\xe3\x93\xd0\xf2\x42\x11',
  >         ]}]
  > EOF
  creating http peer for wire protocol version 2
  sending changesetdata command
  response: gen[
    {
      b'totalitems': 1
    },
    {
      b'node': b'\xea\xe5\xf8,.b#h\xd2}\xae\xcbv\xb7\xe3\x93\xd0\xf2B\x11',
      b'parents': [
        b'3\x90\xef\x85\x00s\xfb\xc2\xf0\xdf\xff"D4,\x8e\x92)\x01:',
        b'\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00'
      ]
    }
  ]

Phase data is transferred upon request

  $ sendhttpv2peer << EOF
  > command changesetdata
  >     fields eval:[b'phase']
  >     revisions eval:[{
  >         b'type': b'changesetexplicit',
  >         b'nodes': [
  >             b'\x0b\xb8\xad\x89\x4a\x15\xb1\x53\x80\xb2\xa2\xa5\xb1\x83\xe2\x0f\x2a\x4b\x28\xdd',
  >         ]}]
  > EOF
  creating http peer for wire protocol version 2
  sending changesetdata command
  response: gen[
    {
      b'totalitems': 1
    },
    {
      b'node': b'\x0b\xb8\xad\x89J\x15\xb1S\x80\xb2\xa2\xa5\xb1\x83\xe2\x0f*K(\xdd',
      b'phase': b'public'
    }
  ]

Revision data is transferred upon request

  $ sendhttpv2peer << EOF
  > command changesetdata
  >     fields eval:[b'revision']
  >     revisions eval:[{
  >         b'type': b'changesetexplicit',
  >         b'nodes': [
  >             b'\xea\xe5\xf8\x2c\x2e\x62\x23\x68\xd2\x7d\xae\xcb\x76\xb7\xe3\x93\xd0\xf2\x42\x11',
  >         ]}]
  > EOF
  creating http peer for wire protocol version 2
  sending changesetdata command
  response: gen[
    {
      b'totalitems': 1
    },
    {
      b'fieldsfollowing': [
        [
          b'revision',
          61
        ]
      ],
      b'node': b'\xea\xe5\xf8,.b#h\xd2}\xae\xcbv\xb7\xe3\x93\xd0\xf2B\x11'
    },
    b'1b74476799ec8318045db759b1b4bcc9b839d0aa\ntest\n0 0\na\n\ncommit 3'
  ]

Bookmarks key isn't present if no bookmarks data

  $ sendhttpv2peer << EOF
  > command changesetdata
  >     fields eval:[b'bookmarks']
  >     revisions eval:[{
  >         b'type': b'changesetdagrange',
  >         b'roots': [],
  >         b'heads': [
  >             b'\x0b\xb8\xad\x89\x4a\x15\xb1\x53\x80\xb2\xa2\xa5\xb1\x83\xe2\x0f\x2a\x4b\x28\xdd',
  >             b'\xea\xe5\xf8\x2c\x2e\x62\x23\x68\xd2\x7d\xae\xcb\x76\xb7\xe3\x93\xd0\xf2\x42\x11',
  >         ]}]
  > EOF
  creating http peer for wire protocol version 2
  sending changesetdata command
  response: gen[
    {
      b'totalitems': 4
    },
    {
      b'node': b'3\x90\xef\x85\x00s\xfb\xc2\xf0\xdf\xff"D4,\x8e\x92)\x01:'
    },
    {
      b'node': b'u\x92\x91~\x1c>\x82g|\xb0\xa4\xbcq\\\xa2]\xd1-(\xc1'
    },
    {
      b'node': b'\x0b\xb8\xad\x89J\x15\xb1S\x80\xb2\xa2\xa5\xb1\x83\xe2\x0f*K(\xdd'
    },
    {
      b'node': b'\xea\xe5\xf8,.b#h\xd2}\xae\xcbv\xb7\xe3\x93\xd0\xf2B\x11'
    }
  ]

Bookmarks are sent when requested

  $ hg -R ../server bookmark -r 0bb8ad894a15b15380b2a2a5b183e20f2a4b28dd book-1
  $ hg -R ../server bookmark -r eae5f82c2e622368d27daecb76b7e393d0f24211 book-2
  $ hg -R ../server bookmark -r eae5f82c2e622368d27daecb76b7e393d0f24211 book-3

  $ sendhttpv2peer << EOF
  > command changesetdata
  >     fields eval:[b'bookmarks']
  >     revisions eval:[{
  >         b'type': b'changesetdagrange',
  >         b'roots': [],
  >         b'heads': [
  >             b'\x0b\xb8\xad\x89\x4a\x15\xb1\x53\x80\xb2\xa2\xa5\xb1\x83\xe2\x0f\x2a\x4b\x28\xdd',
  >             b'\xea\xe5\xf8\x2c\x2e\x62\x23\x68\xd2\x7d\xae\xcb\x76\xb7\xe3\x93\xd0\xf2\x42\x11',
  >         ]}]
  > EOF
  creating http peer for wire protocol version 2
  sending changesetdata command
  response: gen[
    {
      b'totalitems': 4
    },
    {
      b'node': b'3\x90\xef\x85\x00s\xfb\xc2\xf0\xdf\xff"D4,\x8e\x92)\x01:'
    },
    {
      b'node': b'u\x92\x91~\x1c>\x82g|\xb0\xa4\xbcq\\\xa2]\xd1-(\xc1'
    },
    {
      b'bookmarks': [
        b'book-1'
      ],
      b'node': b'\x0b\xb8\xad\x89J\x15\xb1S\x80\xb2\xa2\xa5\xb1\x83\xe2\x0f*K(\xdd'
    },
    {
      b'bookmarks': [
        b'book-2',
        b'book-3'
      ],
      b'node': b'\xea\xe5\xf8,.b#h\xd2}\xae\xcbv\xb7\xe3\x93\xd0\xf2B\x11'
    }
  ]

Bookmarks are sent when we make a no-new-revisions request

  $ sendhttpv2peer << EOF
  > command changesetdata
  >     fields eval:[b'bookmarks', b'revision']
  >     revisions eval:[{
  >         b'type': b'changesetdagrange',
  >         b'roots': [b'\xea\xe5\xf8\x2c\x2e\x62\x23\x68\xd2\x7d\xae\xcb\x76\xb7\xe3\x93\xd0\xf2\x42\x11'],
  >         b'heads': [
  >             b'\x0b\xb8\xad\x89\x4a\x15\xb1\x53\x80\xb2\xa2\xa5\xb1\x83\xe2\x0f\x2a\x4b\x28\xdd',
  >             b'\xea\xe5\xf8\x2c\x2e\x62\x23\x68\xd2\x7d\xae\xcb\x76\xb7\xe3\x93\xd0\xf2\x42\x11',
  >         ]}]
  > EOF
  creating http peer for wire protocol version 2
  sending changesetdata command
  response: gen[
    {
      b'totalitems': 2
    },
    {
      b'fieldsfollowing': [
        [
          b'revision',
          63
        ]
      ],
      b'node': b'u\x92\x91~\x1c>\x82g|\xb0\xa4\xbcq\\\xa2]\xd1-(\xc1'
    },
    b'7f144aea0ba742713887b564d57e9d12f12ff382\ntest\n0 0\na\nb\n\ncommit 1',
    {
      b'bookmarks': [
        b'book-1'
      ],
      b'fieldsfollowing': [
        [
          b'revision',
          61
        ]
      ],
      b'node': b'\x0b\xb8\xad\x89J\x15\xb1S\x80\xb2\xa2\xa5\xb1\x83\xe2\x0f*K(\xdd'
    },
    b'37f0a2d1c28ffe4b879109a7d1bbf8f07b3c763b\ntest\n0 0\nb\n\ncommit 2',
    {
      b'bookmarks': [
        b'book-2',
        b'book-3'
      ],
      b'node': b'\xea\xe5\xf8,.b#h\xd2}\xae\xcbv\xb7\xe3\x93\xd0\xf2B\x11'
    }
  ]

Multiple fields can be transferred

  $ sendhttpv2peer << EOF
  > command changesetdata
  >     fields eval:[b'parents', b'revision']
  >     revisions eval:[{
  >         b'type': b'changesetexplicit',
  >         b'nodes': [
  >             b'\xea\xe5\xf8\x2c\x2e\x62\x23\x68\xd2\x7d\xae\xcb\x76\xb7\xe3\x93\xd0\xf2\x42\x11',
  >         ]}]
  > EOF
  creating http peer for wire protocol version 2
  sending changesetdata command
  response: gen[
    {
      b'totalitems': 1
    },
    {
      b'fieldsfollowing': [
        [
          b'revision',
          61
        ]
      ],
      b'node': b'\xea\xe5\xf8,.b#h\xd2}\xae\xcbv\xb7\xe3\x93\xd0\xf2B\x11',
      b'parents': [
        b'3\x90\xef\x85\x00s\xfb\xc2\xf0\xdf\xff"D4,\x8e\x92)\x01:',
        b'\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00'
      ]
    },
    b'1b74476799ec8318045db759b1b4bcc9b839d0aa\ntest\n0 0\na\n\ncommit 3'
  ]

Base nodes have just their metadata (e.g. phase) transferred
TODO this doesn't work

  $ sendhttpv2peer << EOF
  > command changesetdata
  >     fields eval:[b'phase', b'parents', b'revision']
  >     revisions eval:[{
  >         b'type': b'changesetdagrange',
  >         b'roots': [b'\x33\x90\xef\x85\x00\x73\xfb\xc2\xf0\xdf\xff\x22\x44\x34\x2c\x8e\x92\x29\x01\x3a'],
  >         b'heads': [
  >             b'\x0b\xb8\xad\x89\x4a\x15\xb1\x53\x80\xb2\xa2\xa5\xb1\x83\xe2\x0f\x2a\x4b\x28\xdd',
  >             b'\xea\xe5\xf8\x2c\x2e\x62\x23\x68\xd2\x7d\xae\xcb\x76\xb7\xe3\x93\xd0\xf2\x42\x11',
  >         ]}]
  > EOF
  creating http peer for wire protocol version 2
  sending changesetdata command
  response: gen[
    {
      b'totalitems': 3
    },
    {
      b'fieldsfollowing': [
        [
          b'revision',
          63
        ]
      ],
      b'node': b'u\x92\x91~\x1c>\x82g|\xb0\xa4\xbcq\\\xa2]\xd1-(\xc1',
      b'parents': [
        b'3\x90\xef\x85\x00s\xfb\xc2\xf0\xdf\xff"D4,\x8e\x92)\x01:',
        b'\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00'
      ],
      b'phase': b'public'
    },
    b'7f144aea0ba742713887b564d57e9d12f12ff382\ntest\n0 0\na\nb\n\ncommit 1',
    {
      b'fieldsfollowing': [
        [
          b'revision',
          61
        ]
      ],
      b'node': b'\x0b\xb8\xad\x89J\x15\xb1S\x80\xb2\xa2\xa5\xb1\x83\xe2\x0f*K(\xdd',
      b'parents': [
        b'u\x92\x91~\x1c>\x82g|\xb0\xa4\xbcq\\\xa2]\xd1-(\xc1',
        b'\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00'
      ],
      b'phase': b'public'
    },
    b'37f0a2d1c28ffe4b879109a7d1bbf8f07b3c763b\ntest\n0 0\nb\n\ncommit 2',
    {
      b'fieldsfollowing': [
        [
          b'revision',
          61
        ]
      ],
      b'node': b'\xea\xe5\xf8,.b#h\xd2}\xae\xcbv\xb7\xe3\x93\xd0\xf2B\x11',
      b'parents': [
        b'3\x90\xef\x85\x00s\xfb\xc2\xf0\xdf\xff"D4,\x8e\x92)\x01:',
        b'\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00'
      ],
      b'phase': b'draft'
    },
    b'1b74476799ec8318045db759b1b4bcc9b839d0aa\ntest\n0 0\na\n\ncommit 3'
  ]

  $ cat error.log