Trigger alternatives to set the path for <name> as
    specified by priority.

    CLI Example:

    .. code-block:: bash

        salt '*' alternatives.auto name

def auto(name):
    '''
    Trigger alternatives to set the path for <name> as
    specified by priority.

    CLI Example:

    .. code-block:: bash

        salt '*' alternatives.auto name
    '''
    cmd = [_get_cmd(), '--auto', name]
    out = __salt__['cmd.run_all'](cmd, python_shell=False)
    if out['retcode'] > 0:
        return out['stderr']
    return out['stdout']