$ git clone -n https://gitee.com/src-opencloudos-rpms/systemd.git /var/lib/mock/dist-oc8_6-updates-build-27087-8247/root/chroot_tmpdir/scmroot/systemd
Cloning into '/var/lib/mock/dist-oc8_6-updates-build-27087-8247/root/chroot_tmpdir/scmroot/systemd'...
$ git reset --hard origin/oc8
HEAD is now at c36e53a update 239-58.8