$ git clone -n https://gitee.com/src-opencloudos-rpms/at /var/lib/mock/dist-oc8-build-32203-9715/root/chroot_tmpdir/scmroot/at
Cloning into '/var/lib/mock/dist-oc8-build-32203-9715/root/chroot_tmpdir/scmroot/at'...
$ git reset --hard origin/oc8
HEAD is now at e80f9c1 import at-3.1.20-12.tl3