This test file test the #5720 issue

Check that `hg evolve --continue` doesn't change changeset phase from secret

to draft after a merge conflict.

https://bz.mercurial-scm.org/show_bug.cgi?id=5720

Global setup

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

  $ . $TESTDIR/testlib/common.sh

  $ cat >> $HGRCPATH <<EOF

  > [ui]

  > interactive = true

  > [phases]

  > publish=False

  > [extensions]

  > evolve =

  > EOF

Test

====

  $ hg init $TESTTMP/issue-5720

  $ cd $TESTTMP/issue-5720

Create two drafts commits and one secret

  $ echo a > a

  $ hg commit -Am a

  adding a

  $ echo b > a

  $ hg commit -m b

  $ echo c > a

  $ hg commit --secret -m c

  $ hg log -G -T "{rev}: {phase}"

  @  2: secret

  |

  o  1: draft

  |

  o  0: draft

Amend the second draft with new content

  $ hg prev

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

  [1] b

  $ echo b2 > a

  $ hg amend

  1 new orphan changesets

  $ hg log -G -T "{rev}: {phase}"

  @  3: draft

  |

  | *  2: secret

  | |

  | x  1: draft

  |/

  o  0: draft

Evolve which triggers a conflict

  $ hg evolve

  move:[2] c

  atop:[3] b

  merging a

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

  evolve failed!

  fix conflict and run 'hg evolve --continue' or use 'hg update -C .' to abort

  abort: unresolved merge conflicts (see hg help resolve)

  [255]

Fix the conflict

  $ echo c2 > a

  $ hg resolve -m

  (no more unresolved files)

  continue: hg evolve --continue

Continue the evolution

  $ hg evolve --continue

  evolving 2:13833940840c "c"

  working directory is now at 3d2080c198e5

Tip should stay in secret phase

  $ hg log -G -T "{rev}: {phase}"

  @  4: secret

  |

  o  3: draft

  |

  o  0: draft

  $ hg log -r . -T '{phase}\n'

  secret