rpmpkg.py 文件源码

def lastupdate():
    '''
    Return the date of the last rpm package update/installation.

    CLI Example:

        .. code-block:: bash

            salt '*' rpmpck.lastupdate
    '''
    installtime = lambda rpm_date: time.strptime(rpm_date, "%c")

    cmd = ['rpm', '-qa', '--queryformat', r'%{INSTALLTID:date}\n']
    out = __salt__['cmd.run'](cmd, output_loglevel='trace',
                              python_shell=False).splitlines()
    last = max(installtime(rpm_date) for rpm_date in out)

    return time.asctime(last)