Test for issue 5832 present at https://bz.mercurial-scm.org/show_bug.cgi?id=5832

================================================================================

Setup

=====

  $ cat >> $HGRCPATH <<EOF

  > [phases]

  > publish = False

  > [alias]

  > glog = log -GT "{rev}:{node|short} {desc}\n ({bookmarks}) {phase}"

  > [extensions]

  > EOF

  $ echo "evolve=$(echo $(dirname $TESTDIR))/hgext3rd/evolve/" >> $HGRCPATH

  $ hg init issue5832

  $ cd issue5832

  $ echo base > base

  $ hg ci -Aqm "added base"

  $ echo a > a

  $ hg ci -Aqm "added a"

  $ echo b > b

  $ hg ci -Aqm "added b"

  $ hg up .^^

  0 files updated, 0 files merged, 2 files removed, 0 files unresolved

  $ echo c > c

  $ echo d > d

  $ hg ci -Aqm "added c and d"

  $ hg merge

  2 files updated, 0 files merged, 0 files removed, 0 files unresolved

  (branch merge, don't forget to commit)

  $ hg ci -m "merge commit"

  $ hg glog

  @    4:b9b387427a53 merge commit

  |\    () draft

  | o  3:9402371b436e added c and d

  | |   () draft

  o |  2:a1da0651488c added b

  | |   () draft

  o |  1:1b24879c5c3c added a

  |/    () draft

  o  0:bde1d2b6b5e5 added base

      () draft

  $ hg up 1b24879c5c3c

  0 files updated, 0 files merged, 3 files removed, 0 files unresolved

  $ echo foo > a

  $ hg amend

  2 new orphan changesets

  $ hg up bde1d2b6b5e5

  0 files updated, 0 files merged, 1 files removed, 0 files unresolved

  $ echo c > c

  $ hg ci -Aqm "added c"

  $ hg up .^

  0 files updated, 0 files merged, 1 files removed, 0 files unresolved

  $ echo d > d

  $ hg ci -Aqm "added d"

  $ hg glog

  @  7:5841d7cf9893 added d

  |   () draft

  | o  6:62fb70414f99 added c

  |/    () draft

  | o  5:7014ec2829cd added a

  |/    () draft

  | *    4:b9b387427a53 merge commit

  | |\    () draft

  +---o  3:9402371b436e added c and d

  | |     () draft

  | *  2:a1da0651488c added b

  | |   () draft

  | x  1:1b24879c5c3c added a

  |/    () draft

  o  0:bde1d2b6b5e5 added base

      () draft

  $ hg prune -r 9402371b436e --succ 62fb70414f99 --succ 5841d7cf9893 --split

  1 changesets pruned

  $ hg glog

  @  7:5841d7cf9893 added d

  |   () draft

  | o  6:62fb70414f99 added c

  |/    () draft

  | o  5:7014ec2829cd added a

  |/    () draft

  | *    4:b9b387427a53 merge commit

  | |\    () draft

  +---x  3:9402371b436e added c and d

  | |     () draft

  | *  2:a1da0651488c added b

  | |   () draft

  | x  1:1b24879c5c3c added a

  |/    () draft

  o  0:bde1d2b6b5e5 added base

      () draft

Checking what evolve is trying to do

  $ hg evolve --dry-run --any --all

  ** unknown exception encountered, please report by visiting

  ** https://mercurial-scm.org/wiki/BugTracker

  ** Python 2.7.12 (default, Dec  4 2017, 14:50:18) [GCC 5.4.0 20160609]

  ** Mercurial Distributed SCM (version 4.5.2+1522-110be5264257)

  ** Extensions loaded: evolve

  Traceback (most recent call last):

    File "/tmp/hgtests.Zqw2_x/install/bin/hg", line 41, in <module>

      dispatch.run()

    File "/tmp/hgtests.Zqw2_x/install/lib/python/mercurial/dispatch.py", line 93, in run

      status = (dispatch(req) or 0)

    File "/tmp/hgtests.Zqw2_x/install/lib/python/mercurial/dispatch.py", line 213, in dispatch

      ret = _runcatch(req)

    File "/tmp/hgtests.Zqw2_x/install/lib/python/mercurial/dispatch.py", line 354, in _runcatch

      return _callcatch(ui, _runcatchfunc)

    File "/tmp/hgtests.Zqw2_x/install/lib/python/mercurial/dispatch.py", line 362, in _callcatch

      return scmutil.callcatch(ui, func)

    File "/tmp/hgtests.Zqw2_x/install/lib/python/mercurial/scmutil.py", line 159, in callcatch

      return func()

    File "/tmp/hgtests.Zqw2_x/install/lib/python/mercurial/dispatch.py", line 344, in _runcatchfunc

      return _dispatch(req)

    File "/tmp/hgtests.Zqw2_x/install/lib/python/mercurial/dispatch.py", line 973, in _dispatch

      cmdpats, cmdoptions)

    File "/tmp/hgtests.Zqw2_x/install/lib/python/mercurial/dispatch.py", line 730, in runcommand

      ret = _runcommand(ui, options, cmd, d)

    File "/tmp/hgtests.Zqw2_x/install/lib/python/mercurial/dispatch.py", line 981, in _runcommand

      return cmdfunc()

    File "/tmp/hgtests.Zqw2_x/install/lib/python/mercurial/dispatch.py", line 970, in <lambda>

      d = lambda: util.checksignature(func)(ui, *args, **strcmdopt)

    File "/tmp/hgtests.Zqw2_x/install/lib/python/mercurial/util.py", line 1537, in check

      return func(*args, **kwargs)

    File "/home/foobar/repo/mutable-history/hgext3rd/evolve/evolvecmd.py", line 1232, in evolve

      revs = _orderrevs(repo, revs)

    File "/home/foobar/repo/mutable-history/hgext3rd/evolve/evolvecmd.py", line 463, in _orderrevs

      dependencies, rdependencies = utility.builddependencies(repo, revs)

    File "/home/foobar/repo/mutable-history/hgext3rd/evolve/utility.py", line 109, in builddependencies

      dependencies[r].add(succ)

  AttributeError: 'list' object has no attribute 'add'

  [1]

Resolving instability using `hg evolve`

  $ hg evolve --any --all

  ** unknown exception encountered, please report by visiting

  ** https://mercurial-scm.org/wiki/BugTracker

  ** Python 2.7.12 (default, Dec  4 2017, 14:50:18) [GCC 5.4.0 20160609]

  ** Mercurial Distributed SCM (version 4.5.2+1522-110be5264257)

  ** Extensions loaded: evolve

  Traceback (most recent call last):

    File "/tmp/hgtests.Zqw2_x/install/bin/hg", line 41, in <module>

      dispatch.run()

    File "/tmp/hgtests.Zqw2_x/install/lib/python/mercurial/dispatch.py", line 93, in run

      status = (dispatch(req) or 0)

    File "/tmp/hgtests.Zqw2_x/install/lib/python/mercurial/dispatch.py", line 213, in dispatch

      ret = _runcatch(req)

    File "/tmp/hgtests.Zqw2_x/install/lib/python/mercurial/dispatch.py", line 354, in _runcatch

      return _callcatch(ui, _runcatchfunc)

    File "/tmp/hgtests.Zqw2_x/install/lib/python/mercurial/dispatch.py", line 362, in _callcatch

      return scmutil.callcatch(ui, func)

    File "/tmp/hgtests.Zqw2_x/install/lib/python/mercurial/scmutil.py", line 159, in callcatch

      return func()

    File "/tmp/hgtests.Zqw2_x/install/lib/python/mercurial/dispatch.py", line 344, in _runcatchfunc

      return _dispatch(req)

    File "/tmp/hgtests.Zqw2_x/install/lib/python/mercurial/dispatch.py", line 973, in _dispatch

      cmdpats, cmdoptions)

    File "/tmp/hgtests.Zqw2_x/install/lib/python/mercurial/dispatch.py", line 730, in runcommand

      ret = _runcommand(ui, options, cmd, d)

    File "/tmp/hgtests.Zqw2_x/install/lib/python/mercurial/dispatch.py", line 981, in _runcommand

      return cmdfunc()

    File "/tmp/hgtests.Zqw2_x/install/lib/python/mercurial/dispatch.py", line 970, in <lambda>

      d = lambda: util.checksignature(func)(ui, *args, **strcmdopt)

    File "/tmp/hgtests.Zqw2_x/install/lib/python/mercurial/util.py", line 1537, in check

      return func(*args, **kwargs)

    File "/home/foobar/repo/mutable-history/hgext3rd/evolve/evolvecmd.py", line 1232, in evolve

      revs = _orderrevs(repo, revs)

    File "/home/foobar/repo/mutable-history/hgext3rd/evolve/evolvecmd.py", line 463, in _orderrevs

      dependencies, rdependencies = utility.builddependencies(repo, revs)

    File "/home/foobar/repo/mutable-history/hgext3rd/evolve/utility.py", line 109, in builddependencies

      dependencies[r].add(succ)

  AttributeError: 'list' object has no attribute 'add'

  [1]