view tests/test-dirstate-backup.t @ 39337:37957e07138c

revlogdeltas: move finddeltainfo filtering inside _candidategroups

Now all "simple" filtering logic is gathered in one place. The `finddeltainfo`
method is more straightforward and the `_candidate_groups` function knows more
about filtering revisions before we compute a delta against them.

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
  [255]

No dirstate backups are left behind

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