$ git clone -n https://gitee.com/src-opencloudos-rpms/ModemManager /var/lib/mock/dist-oc8-build-39267-13476/root/chroot_tmpdir/scmroot/ModemManager
Cloning into '/var/lib/mock/dist-oc8-build-39267-13476/root/chroot_tmpdir/scmroot/ModemManager'...
$ git reset --hard origin/oc8
HEAD is now at 0bd8528 import ModemManager-1.20.2-1.tl3