$ git clone -n http://fedora.riscv.rocks:3000/rpms/graphviz.git /var/lib/mock/f41-build-812466-147909/root/chroot_tmpdir/scmroot/graphviz
Cloning into '/var/lib/mock/f41-build-812466-147909/root/chroot_tmpdir/scmroot/graphviz'...
$ git fetch origin def5485a51131e7bbc63e559e2b1528b73565c3f:KOJI_FETCH_HEAD
From http://fedora.riscv.rocks:3000/rpms/graphviz
 * [new ref]         def5485a51131e7bbc63e559e2b1528b73565c3f -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at def5485 Hack: remove gvpack for now