$ git clone -n https://src.fedoraproject.org/rpms/ocaml-mew.git /var/lib/mock/f40-build-784460-133438/root/chroot_tmpdir/scmroot/ocaml-mew
Cloning into '/var/lib/mock/f40-build-784460-133438/root/chroot_tmpdir/scmroot/ocaml-mew'...
$ git fetch origin 109eca7358c7a3757ebf9ee7c89ba91b26ac0b39:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ocaml-mew
 * [new ref]         109eca7358c7a3757ebf9ee7c89ba91b26ac0b39 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 109eca7 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild