$ git clone -n https://gitee.com/src-opencloudos-rpms/graphviz.git /var/lib/mock/dist-oc8-build-74446-50461/root/chroot_tmpdir/scmroot/graphviz
Cloning into '/var/lib/mock/dist-oc8-build-74446-50461/root/chroot_tmpdir/scmroot/graphviz'...
$ git fetch origin 532cd027de7de8c20415ce4eb0b4d70645564855:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/graphviz
 * [new ref]         532cd027de7de8c20415ce4eb0b4d70645564855 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 532cd02 import graphviz-2.40.1-45.tl3