$ git clone -n https://gitee.com/src-opencloudos-rpms/graphviz.git /var/lib/mock/dist-oc8-build-38658-12603/root/chroot_tmpdir/scmroot/graphviz
Cloning into '/var/lib/mock/dist-oc8-build-38658-12603/root/chroot_tmpdir/scmroot/graphviz'...
$ git reset --hard origin/oc8
HEAD is now at 2e1c8c1 import graphviz-2.40.1-44.tl3