$ git clone -n https://gitee.com/src-opencloudos-rpms/rt-tests.git /var/lib/mock/dist-oc8-build-38076-12270/root/chroot_tmpdir/scmroot/rt-tests
Cloning into '/var/lib/mock/dist-oc8-build-38076-12270/root/chroot_tmpdir/scmroot/rt-tests'...
$ git reset --hard origin/oc8
HEAD is now at a02b883 import rt-tests-2.5-1.tl3