view tests/test-evolve-issue5966.t @ 4636:c0e9a3c01c44

evolve: consider using three way merge to get the user for div resolution

This patch adds the logic to merge the users from two divergent csets
considering the base (i.e three way merge).
The case when all the three are different, we concatenate the two authors
of divergent csets.

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