$ git clone -n git+ssh://git@codeup.openanolis.cn/codeup/anolis-os/systemd.git /var/lib/mock/dist-an7-build-30433-15504/root/chroot_tmpdir/scmroot/systemd
Cloning into '/var/lib/mock/dist-an7-build-30433-15504/root/chroot_tmpdir/scmroot/systemd'...
$ git reset --hard origin/a7
HEAD is now at 219c87f update to systemd-219-67.el7_7.4.src.rpm