$ git clone -n https://git.cclinux.org/stage/rpms/graphviz.git /var/lib/mock/dist-circle9-build-120233-84929/root/chroot_tmpdir/scmroot/graphviz
Cloning into '/var/lib/mock/dist-circle9-build-120233-84929/root/chroot_tmpdir/scmroot/graphviz'...
$ git fetch origin 9a2afd7dd9f13894b1672d7beb2f6bc4dd5bd9e7:KOJI_FETCH_HEAD
From https://git.cclinux.org/stage/rpms/graphviz
 * [new ref]         9a2afd7dd9f13894b1672d7beb2f6bc4dd5bd9e7 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 9a2afd7 import graphviz-2.44.0-26.el9