$ git clone -n https://gitee.com/src-opencloudos-rpms/systemd /var/lib/mock/dist-oc8-build-32113-9624/root/chroot_tmpdir/scmroot/systemd
Cloning into '/var/lib/mock/dist-oc8-build-32113-9624/root/chroot_tmpdir/scmroot/systemd'...
$ git reset --hard origin/oc8
HEAD is now at 4f6c6f6 import systemd-239-68.tl3