$ git clone -n https://gitee.com/ocs-bot/graphviz.git /var/lib/mock/dist-ocs23-build-116504-8097/root/chroot_tmpdir/scmroot/graphviz
Cloning into '/var/lib/mock/dist-ocs23-build-116504-8097/root/chroot_tmpdir/scmroot/graphviz'...
$ git fetch origin master:KOJI_FETCH_HEAD
From https://gitee.com/ocs-bot/graphviz
 * [new branch]      master     -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at d1f6843 Upgrade to version update to 8.1.0