** 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

----------------------------------------------

  $ 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  working directory parent is obsolete!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