$ cat >> $HGRCPATH <<EOF

  > [defaults]

  > amend=-d "0 0"

  > [extensions]

  > hgext.rebase=

  > EOF

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

  $ glog() {

  >   hg log -G --template \

  >     '{rev}:{node|short}@{branch}({phase}) bk:[{bookmarks}] {desc|firstline}\n' "$@"

  > }

Test evolve removing the changeset being evolved

  $ hg init empty

  $ cd empty

  $ echo a > a

  $ hg ci -Am adda a

  $ echo b > b

  $ hg ci -Am addb b

  $ echo a >> a

  $ hg ci -m changea

  $ hg bookmark changea

  $ hg up 1

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

  (leaving bookmark changea)

  $ echo a >> a

  $ hg amend -m changea

  1 new orphan changesets

  $ hg evolve -v --confirm

  move:[2] changea

  atop:[3] changea

  perform evolve? [Ny] n

  abort: evolve aborted by user

  [255]

  $ echo y | hg evolve -v --confirm --config ui.interactive=True

  move:[2] changea

  atop:[3] changea

  perform evolve? [Ny] y

  hg rebase -r cce2c55b8965 -d fb9d051ec0a4

  resolving manifests

  evolution of 2:cce2c55b8965 created no changes to commit

  $ glog --hidden

  @  3:fb9d051ec0a4@default(draft) bk:[changea] changea

  |

  | x  2:cce2c55b8965@default(draft) bk:[] changea

  | |

  | x  1:102a90ea7b4a@default(draft) bk:[] addb

  |/

  o  0:07f494440405@default(draft) bk:[] adda

  $ hg debugobsolete

  102a90ea7b4a3361e4082ed620918c261189a36a fb9d051ec0a450a4aa2ffc8c324979832ef88065 0 (Thu Jan 01 00:00:00 1970 +0000) {'ef1': '9', 'operation': 'amend', 'user': 'test'}

  cce2c55b896511e0b6e04173c9450ba822ebc740 0 {102a90ea7b4a3361e4082ed620918c261189a36a} (Thu Jan 01 00:00:00 1970 +0000) {'ef1': '0', 'operation': 'evolve', 'user': 'test'}

Test evolve with conflict

  $ ls

  a

  b

  $ hg pdiff a

  diff -r 07f494440405 a

  --- a/a	Thu Jan 01 00:00:00 1970 +0000

  +++ b/a	Thu Jan 01 00:00:00 1970 +0000

  @@ -1,1 +1,2 @@

   a

  +a

  $ echo 'newer a' >> a

  $ hg ci -m 'newer a'

  $ hg gdown

  gdown have been deprecated in favor of previous

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

  [3] changea

  $ echo 'a' > a

  $ hg amend

  1 new orphan changesets

  $ hg evolve

  move:[4] newer a

  atop:[5] changea

  merging a

  warning: conflicts while merging a! (edit, then use 'hg resolve --mark')

  fix conflicts and see `hg help evolve.interrupted`

  [1]

  $ hg revert -r "orphan()" a

  $ hg diff

  diff -r 66719795a494 a

  --- a/a	Thu Jan 01 00:00:00 1970 +0000

  +++ b/a	Thu Jan 01 00:00:00 1970 +0000

  @@ -1,1 +1,3 @@

   a

  +a

  +newer a

  $ hg evolve --continue

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

  [255]

  $ hg resolve -m a

  (no more unresolved files)

  continue: hg evolve --continue

  $ hg evolve --continue

  evolving 4:3655f0f50885 "newer a"

  working directory is now at 1cf0aacfd363

Stabilize latecomer with different parent

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

(the same-parent case is handled in test-evolve.t)

  $ glog

  @  6:1cf0aacfd363@default(draft) bk:[] newer a

  |

  o  5:66719795a494@default(draft) bk:[changea] changea

  |

  o  0:07f494440405@default(draft) bk:[] adda

Add another commit

  $ hg gdown

  gdown have been deprecated in favor of previous

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

  [5] changea

  $ echo 'c' > c

  $ hg add c

  $ hg commit -m 'add c'

  created new head

Get a successors of 8 on it

  $ hg pick 1cf0aacfd363

  picking 6:1cf0aacfd363 "newer a"

Add real change to the successors

  $ echo 'babar' >> a

  $ hg amend

Make precursors public

  $ hg phase --hidden --public 1cf0aacfd363

  1 new phase-divergent changesets

  $ glog

  @  9:99c21c89bcef@default(draft) bk:[] newer a

  |

  o  7:7bc2f5967f5e@default(draft) bk:[] add c

  |

  | o  6:1cf0aacfd363@default(public) bk:[] newer a

  |/

  o  5:66719795a494@default(public) bk:[changea] changea

  |

  o  0:07f494440405@default(public) bk:[] adda

Stabilize!

  $ hg evolve --any --dry-run --phase-divergent

  recreate:[9] newer a

  atop:[6] newer a

  hg rebase --rev 99c21c89bcef --dest 66719795a494;

  hg update 1cf0aacfd363;

  hg revert --all --rev 99c21c89bcef;

  hg commit --msg "phase-divergent update to 99c21c89bcef"

  $ hg evolve --any --confirm --phase-divergent

  recreate:[9] newer a

  atop:[6] newer a

  perform evolve? [Ny] n

  abort: evolve aborted by user

  [255]

  $ echo y | hg evolve --any --confirm --config ui.interactive=True --phase-divergent

  recreate:[9] newer a

  atop:[6] newer a

  perform evolve? [Ny] y

  rebasing to destination parent: 66719795a494

  computing new diff

  committed as 8fc63fe1f297

  working directory is now at 8fc63fe1f297

  $ glog

  @  11:8fc63fe1f297@default(draft) bk:[] phase-divergent update to 1cf0aacfd363:

  |

  | o  7:7bc2f5967f5e@default(draft) bk:[] add c

  | |

  o |  6:1cf0aacfd363@default(public) bk:[] newer a

  |/

  o  5:66719795a494@default(public) bk:[changea] changea

  |

  o  0:07f494440405@default(public) bk:[] adda

  $ hg exp

  # HG changeset patch

  # User test

  # Date 0 0

  #      Thu Jan 01 00:00:00 1970 +0000

  # Node ID 8fc63fe1f297f356d1156bbbbe865b9911efad74

  # Parent  1cf0aacfd36310b18e403e1594871187e0364a82

  phase-divergent update to 1cf0aacfd363:

  newer a

  diff -r 1cf0aacfd363 -r 8fc63fe1f297 a

  --- a/a	Thu Jan 01 00:00:00 1970 +0000

  +++ b/a	Thu Jan 01 00:00:00 1970 +0000

  @@ -1,3 +1,4 @@

   a

   a

   newer a

  +babar