$ git clone -n https://src.fedoraproject.org/rpms/ocaml-mlgmpidl.git /var/lib/mock/f40-build-784186-133259/root/chroot_tmpdir/scmroot/ocaml-mlgmpidl
Cloning into '/var/lib/mock/f40-build-784186-133259/root/chroot_tmpdir/scmroot/ocaml-mlgmpidl'...
$ git fetch origin 9123918bcb0ea7c2e79069f1e37e5c1cc979c465:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ocaml-mlgmpidl
 * [new ref]         9123918bcb0ea7c2e79069f1e37e5c1cc979c465 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 9123918 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild