$ git clone -n https://src.fedoraproject.org/rpms/ocaml-merlin.git /var/lib/mock/f40-build-2358366-60309/root/chroot_tmpdir/scmroot/ocaml-merlin
Cloning into '/var/lib/mock/f40-build-2358366-60309/root/chroot_tmpdir/scmroot/ocaml-merlin'...
$ git fetch origin 16ddefd07f6a9588a2b1a7400d5ec1c9dab8fe59:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ocaml-merlin
 * [new ref]         16ddefd07f6a9588a2b1a7400d5ec1c9dab8fe59 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 16ddefd Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild