def mailbox_done(buffer_name, _prompt_func):
    cmd = """
        {diffscuss} mailbox done -p {diffscuss_file}
        """.format(diffscuss=_get_script(),
                   diffscuss_file=buffer_name)
    result = _get_output(cmd)
    return 'Completed %s' % result


### Navigation
Calls the mailbox done script.
dataset/ETHPy150Open hut8labs/diffscuss/diffscuss/support/editor.py/mailbox_done