view tests/test-dirstate-backup.t @ 46230:1fcab88ab85c

downgrade: if a compression is removed, consider that too

For compression format variant, the result of `fromrepo()` and `fromconfig()` is
not a boolean and we have to actually equate those to find change.

Differential Revision: https://phab.mercurial-scm.org/D9693

Set up

  $ hg init repo
  $ cd repo

Try to import an empty patch

  $ hg import --no-commit - <<EOF
  > EOF
  applying patch from stdin
  abort: stdin: no diffs found
  [10]

No dirstate backups are left behind

  $ ls .hg/dirstate* | sort
  .hg/dirstate