$ git clone -n http://8.131.229.236/anolis-os/systemd /var/lib/mock/dist-el8-updates-build-16555-2666/root/chroot_tmpdir/scmroot/systemd
正克隆到 '/var/lib/mock/dist-el8-updates-build-16555-2666/root/chroot_tmpdir/scmroot/systemd'...
$ git reset --hard origin/a8
HEAD 现在位于 1d82ec8 update to systemd-239-31.el8_2.2