$ git clone -n https://gitee.com/src-anolis-os/systemd.git /var/lib/mock/dist-an8-build-71772-37431/root/chroot_tmpdir/scmroot/systemd
Cloning into '/var/lib/mock/dist-an8-build-71772-37431/root/chroot_tmpdir/scmroot/systemd'...
$ git reset --hard origin/a8
HEAD is now at 48a9d78 update to systemd-239-51.el8