systemd from home:vlefebvre:sysusers-generate-pre project

对于 openSUSE Tumbleweed，请以根用户 root 运行下面命令：

zypper addrepo https://download.opensuse.org/repositories/home:vlefebvre:sysusers-generate-pre/openSUSE_Tumbleweed/home:vlefebvre:sysusers-generate-pre.repo
zypper refresh
zypper install systemd