$ git clone -n https://gitee.com/src-opencloudos-rpms/libtiff /var/lib/mock/dist-oc8-build-32606-9797/root/chroot_tmpdir/scmroot/libtiff
Cloning into '/var/lib/mock/dist-oc8-build-32606-9797/root/chroot_tmpdir/scmroot/libtiff'...
$ git reset --hard origin/oc8
HEAD is now at b40ed81 import libtiff-4.0.9-23.tl3