view tests/test-dirstate-backup.t @ 45493:2c10876bb320

mergestate: make clean() only be about creating a clean mergestate

This is similar to the previous patch, but moves the separation one
step further out, to `merge.py`.

Differential Revision: https://phab.mercurial-scm.org/D9034

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