$ git clone -n https://gitee.com/src-opencloudos-rpms/libblockdev /var/lib/mock/dist-oc8-build-27587-8510/root/chroot_tmpdir/scmroot/libblockdev
Cloning into '/var/lib/mock/dist-oc8-build-27587-8510/root/chroot_tmpdir/scmroot/libblockdev'...
$ git reset --hard origin/oc8
HEAD is now at 88de5f2 import libblockdev-2.24-11.tl3