$ git clone -n https://src.fedoraproject.org/rpms/ocaml-dose3.git /var/lib/mock/f40-build-2265315-54597/root/chroot_tmpdir/scmroot/ocaml-dose3
Cloning into '/var/lib/mock/f40-build-2265315-54597/root/chroot_tmpdir/scmroot/ocaml-dose3'...
$ git fetch origin 3db0ec6b7a0b78eb5d41000797061f53ecc610fe:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ocaml-dose3
 * [new ref]         3db0ec6b7a0b78eb5d41000797061f53ecc610fe -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 3db0ec6 OCaml 5.1.1 + s390x code gen fix for Fedora 40