Testing evolve --continue with unresolved conflicts (issue5966)

https://bz.mercurial-scm.org/show_bug.cgi?id=5966

  $ . $TESTDIR/testlib/common.sh

  $ hg init issue5966

  $ cd issue5966

  $ cat > .hg/hgrc << EOF

  > [phases]

  > publish = false

  > [alias]

  > glog = log -GT "{rev}: {desc}"

  > [extensions]

  > evolve=

  > EOF

  $ touch a

  $ hg ci -Aqm 'empty'

  $ echo apple > a

  $ hg ci -m 'apple'

  $ echo banana > a

  $ hg ci -m 'banana'

  $ echo coconut > a

  $ hg ci -m 'coconut'

  $ hg glog

  @  3: coconut

  |

  o  2: banana

  |

  o  1: apple

  |

  o  0: empty

  $ hg up -q 1

Amending revision 1 in a way that causes conflicts

  $ echo apricot > a

  $ hg amend -m 'apricot'

  2 new orphan changesets

  $ hg glog --hidden

  @  4: apricot

  |

  | *  3: coconut

  | |

  | *  2: banana

  | |

  | x  1: apple

  |/

  o  0: empty

  $ hg evolve -t :fail --rev 'first(orphan())'

  move:[2] banana

  atop:[4] apricot

  fix conflicts and see `hg help evolve.interrupted`

  [1]

  $ hg evolve --list

  34a690fcf6ab: banana

    orphan: 7f59f18ca4a9 (obsolete parent)

  feb8c0bffa1f: coconut

    orphan: 34a690fcf6ab (orphan parent)

Evolve should detect unresolved conflict.

  $ hg resolve --list

  U a

  $ hg evolve --continue

  abort: unresolved merge conflicts (see 'hg help resolve')

  [255]

(even when ran twice)

  $ hg evolve --continue

  abort: unresolved merge conflicts (see 'hg help resolve')

  [255]

  $ cat a

  apricot

  $ hg resolve --list

  U a

  $ hg resolve a -t :other

  (no more unresolved files)

  continue: hg evolve --continue

  $ hg resolve --list

  R a

  $ hg evolve --continue

  evolving 2:34a690fcf6ab "banana"

  working directory is now at 581a2bb4704c

  $ hg resolve --list

evolve the rest of the stack

  $ hg evolve

  move:[3] coconut

  atop:[5] banana

  merging a

All commit evolved

  $ hg glog

  o  6: coconut

  |

  o  5: banana

  |

  @  4: apricot

  |

  o  0: empty