view tests/test-dirstate-backup.t @ 42493:9f7cb777b654

commit: add a check if it is trying to close an already closed branch head

It would check if the revision we are going to close is already a
closed branch head and print the error message accordingly.

Differential Revision: https://phab.mercurial-scm.org/D6491

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