sapling/tests/test-narrow-heads-migration.t

Test migration between narrow-heads and non-narrow-heads

  $ enable remotenames amend
  $ setconfig experimental.narrow-heads=true visibility.enabled=true mutation.record=true mutation.enabled=true mutation.date="0 0" experimental.evolution= remotenames.rename.default=remote

  $ newrepo
  $ drawdag << 'EOS'
  > B C
  > |/
  > A
  > EOS

Make 'B' public, and 'C' draft.

  $ hg debugremotebookmark master $B
  $ hg phase $B
  1: public
  $ hg phase $C
  2: draft

Migrate down.

  $ setconfig experimental.narrow-heads=false
  $ hg phase $B
  migrating repo to old-style visibility and phases
  (this restores the behavior to a known good state; post in Source Control @ FB if you have issues)
  (added 1 draft roots)
  1: public
  $ hg phase $C
  2: draft
  $ drawdag << 'EOS'
  > D
  > |
  > A
  > EOS
  $ hg phase $D
  3: draft

Migrate up.

  $ setconfig experimental.narrow-heads=true
  $ hg phase $B
  migrating repo to new-style visibility and phases
  (this does not affect most workflows; post in Source Control @ FB if you have issues)
  1: public
  $ hg phase $C
  2: draft
  $ hg phase $D
  3: draft