$ git clone -n https://src.fedoraproject.org/rpms/utop.git /var/lib/mock/f40-build-2309566-57361/root/chroot_tmpdir/scmroot/utop
Cloning into '/var/lib/mock/f40-build-2309566-57361/root/chroot_tmpdir/scmroot/utop'...
$ git fetch origin 611ada18cd870ed9378718b5370024bccd2cc3ce:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/utop
 * [new ref]         611ada18cd870ed9378718b5370024bccd2cc3ce -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 611ada1 OCaml 5.1.1 + s390x code gen fix for Fedora 40