** Test for handling of content divergent changesets by `hg evolve` **
====================================================================

  $ cat >> $HGRCPATH <<EOF
  > [alias]
  > glog = log -GT "{rev}:{node|short} {desc|firstline}\n ({bookmarks}) [{branch}] {phase}"
  > [extensions]
  > EOF
  $ echo "evolve=$(echo $(dirname $TESTDIR))/hgext3rd/evolve/" >> $HGRCPATH

  $ hg init cdiv
  $ cd cdiv
  $ echo ".*\.orig" > .hgignore
  $ hg add .hgignore
  $ hg ci -m "added hgignore"
  $ for ch in a b c d; do echo foo > $ch; hg add $ch; hg ci -qm "added "$ch; done;

  $ hg glog
  @  4:c41c793e0ef1 added d
  |   () [default] draft
  o  3:ca1b80f7960a added c
  |   () [default] draft
  o  2:b1661037fa25 added b
  |   () [default] draft
  o  1:c7586e2a9264 added a
  |   () [default] draft
  o  0:8fa14d15e168 added hgignore
      () [default] draft

Creating content-divergence with branch change where base, divergent and other
have different branches
-------------------------------------------------------------------------------

  $ hg branch -r . foobar
  changed branch on 1 changesets

  $ hg up c41c793e0ef1 --hidden
  0 files updated, 0 files merged, 0 files removed, 0 files unresolved
  updated to hidden changeset c41c793e0ef1
  (hidden revision 'c41c793e0ef1' was rewritten as: 9e5dffcb3d48)
  working directory parent is obsolete! (c41c793e0ef1)
  (use 'hg evolve' to update to its successor: 9e5dffcb3d48)
  $ echo bar > d
  $ hg branch watwat
  marked working directory as branch watwat
  $ hg amend
  2 new content-divergent changesets

  $ hg glog
  @  6:264b04f771fb added d
  |   () [watwat] draft
  | *  5:9e5dffcb3d48 added d
  |/    () [foobar] draft
  o  3:ca1b80f7960a added c
  |   () [default] draft
  o  2:b1661037fa25 added b
  |   () [default] draft
  o  1:c7586e2a9264 added a
  |   () [default] draft
  o  0:8fa14d15e168 added hgignore
      () [default] draft

  $ hg evolve --content-divergent --config ui.interactive=True<<EOF
  > c
  > EOF
  merge:[6] added d
  with: [5] added d
  base: [4] added d
  merging "other" content-divergent changeset '9e5dffcb3d48'
  0 files updated, 0 files merged, 0 files removed, 0 files unresolved
  content divergent changesets on different branches.
  choose branch for the resolution changeset. (a) default or (b) watwat or (c) foobar?  c
  working directory is now at 23a4467c278e

  $ hg glog
  @  7:23a4467c278e added d
  |   () [foobar] draft
  o  3:ca1b80f7960a added c
  |   () [default] draft
  o  2:b1661037fa25 added b
  |   () [default] draft
  o  1:c7586e2a9264 added a
  |   () [default] draft
  o  0:8fa14d15e168 added hgignore
      () [default] draft

Testing merging of commit messages
-----------------------------------

When base and one of the divergent has same commit messages and other divergent
has different one

  $ echo wat > d
  $ hg amend

  $ hg up .^
  0 files updated, 0 files merged, 1 files removed, 0 files unresolved

  $ echo bar > d
  $ hg ci -Aqm "added a d with bar in it, expect some beers"

  $ hg prune -r 23a4467c278e -s . --hidden
  1 changesets pruned
  2 new content-divergent changesets

  $ hg glog
  @  9:59081c9c425a added a d with bar in it, expect some beers
  |   () [default] draft
  | *  8:36618f77f252 added d
  |/    () [foobar] draft
  o  3:ca1b80f7960a added c
  |   () [default] draft
  o  2:b1661037fa25 added b
  |   () [default] draft
  o  1:c7586e2a9264 added a
  |   () [default] draft
  o  0:8fa14d15e168 added hgignore
      () [default] draft

  $ hg evolve --content-divergent
  merge:[9] added a d with bar in it, expect some beers
  with: [8] added d
  base: [7] added d
  merging "other" content-divergent changeset '36618f77f252'
  1 files updated, 0 files merged, 0 files removed, 0 files unresolved
  working directory is now at ca80aeaf4ee8

  $ hg glog
  @  10:ca80aeaf4ee8 added a d with bar in it, expect some beers
  |   () [default] draft
  o  3:ca1b80f7960a added c
  |   () [default] draft
  o  2:b1661037fa25 added b
  |   () [default] draft
  o  1:c7586e2a9264 added a
  |   () [default] draft
  o  0:8fa14d15e168 added hgignore
      () [default] draft

When base has different message and both divergents has same one

  $ echo foo > d
  $ hg amend -m "foo to d"

  $ hg up ca80aeaf4ee8 --hidden
  1 files updated, 0 files merged, 0 files removed, 0 files unresolved
  updated to hidden changeset ca80aeaf4ee8
  (hidden revision 'ca80aeaf4ee8' was rewritten as: eba0b02801cb)
  working directory parent is obsolete! (ca80aeaf4ee8)
  (use 'hg evolve' to update to its successor: eba0b02801cb)
  $ echo babar > d
  $ hg amend -m "foo to d"
  2 new content-divergent changesets

  $ hg glog
  @  12:0116315a1a4a foo to d
  |   () [default] draft
  | *  11:eba0b02801cb foo to d
  |/    () [default] draft
  o  3:ca1b80f7960a added c
  |   () [default] draft
  o  2:b1661037fa25 added b
  |   () [default] draft
  o  1:c7586e2a9264 added a
  |   () [default] draft
  o  0:8fa14d15e168 added hgignore
      () [default] draft

  $ hg evolve --content-divergent
  merge:[12] foo to d
  with: [11] foo to d
  base: [10] added a d with bar in it, expect some beers
  merging "other" content-divergent changeset 'eba0b02801cb'
  merging d
  warning: conflicts while merging d! (edit, then use 'hg resolve --mark')
  0 files updated, 0 files merged, 0 files removed, 1 files unresolved
  abort: fix conflicts and run 'hg evolve --continue' or use 'hg update -C .' to abort
  [255]

  $ echo foobar > d
  $ hg resolve -m
  (no more unresolved files)
  continue: hg evolve --continue
  $ hg evolve --continue
  working directory is now at 3e0a8df515d6

  $ hg glog
  @  13:3e0a8df515d6 foo to d
  |   () [default] draft
  o  3:ca1b80f7960a added c
  |   () [default] draft
  o  2:b1661037fa25 added b
  |   () [default] draft
  o  1:c7586e2a9264 added a
  |   () [default] draft
  o  0:8fa14d15e168 added hgignore
      () [default] draft

When all three base, divergent and other has different commit messages creating
conflicts

  $ echo bar > d
  $ hg amend -m "bar to d, expect beers"

  $ hg up 3e0a8df515d6 --hidden
  1 files updated, 0 files merged, 0 files removed, 0 files unresolved
  updated to hidden changeset 3e0a8df515d6
  (hidden revision '3e0a8df515d6' was rewritten as: 9ad4721c9004)
  working directory parent is obsolete! (3e0a8df515d6)
  (use 'hg evolve' to update to its successor: 9ad4721c9004)
  $ echo wat > d
  $ hg amend -m "wat to d, wat?"
  2 new content-divergent changesets

  $ hg glog
  @  15:1e834b60df1b wat to d, wat?
  |   () [default] draft
  | *  14:9ad4721c9004 bar to d, expect beers
  |/    () [default] draft
  o  3:ca1b80f7960a added c
  |   () [default] draft
  o  2:b1661037fa25 added b
  |   () [default] draft
  o  1:c7586e2a9264 added a
  |   () [default] draft
  o  0:8fa14d15e168 added hgignore
      () [default] draft

  $ hg evolve --content-divergent
  merge:[15] wat to d, wat?
  with: [14] bar to d, expect beers
  base: [13] foo to d
  merging "other" content-divergent changeset '9ad4721c9004'
  merging d
  warning: conflicts while merging d! (edit, then use 'hg resolve --mark')
  0 files updated, 0 files merged, 0 files removed, 1 files unresolved
  abort: fix conflicts and run 'hg evolve --continue' or use 'hg update -C .' to abort
  [255]

  $ echo watbar > d
  $ hg resolve -m
  (no more unresolved files)
  continue: hg evolve --continue
  $ hg evolve --continue
  conflicts while merging descriptions, using description of divergent changeset
  working directory is now at 578f12701e5a

  $ hg glog
  @  16:578f12701e5a wat to d, wat?
  |   () [default] draft
  o  3:ca1b80f7960a added c
  |   () [default] draft
  o  2:b1661037fa25 added b
  |   () [default] draft
  o  1:c7586e2a9264 added a
  |   () [default] draft
  o  0:8fa14d15e168 added hgignore
      () [default] draft