$ git clone -n https://src.fedoraproject.org/rpms/ocaml-crunch.git /var/lib/mock/f40-build-768177-125220/root/chroot_tmpdir/scmroot/ocaml-crunch
Cloning into '/var/lib/mock/f40-build-768177-125220/root/chroot_tmpdir/scmroot/ocaml-crunch'...
$ git fetch origin 2476623dd2a4e5d8bd34fcdbf26f0621263c2a22:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ocaml-crunch
 * [new ref]         2476623dd2a4e5d8bd34fcdbf26f0621263c2a22 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 2476623 OCaml 5.1.1 + s390x code gen fix for Fedora 40