$ git clone -n git+ssh://git@codeup.openanolis.cn/codeup/anolis-os/systemd.git /var/lib/mock/dist-an8.4-build-19739-8529/root/chroot_tmpdir/scmroot/systemd
Cloning into '/var/lib/mock/dist-an8.4-build-19739-8529/root/chroot_tmpdir/scmroot/systemd'...
$ git reset --hard origin/a8
HEAD is now at 8bd4e00 update to systemd-239-45.el8.src.rpm