$ git clone -n https://src.fedoraproject.org/rpms/ocaml-expat.git /var/lib/mock/f42-build-872513-178112/root/chroot_tmpdir/scmroot/ocaml-expat
Cloning into '/var/lib/mock/f42-build-872513-178112/root/chroot_tmpdir/scmroot/ocaml-expat'...
$ git fetch origin ea30242a91c338fd65a47fdbd84306e3b5df4a85:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ocaml-expat
 * [new ref]         ea30242a91c338fd65a47fdbd84306e3b5df4a85 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at ea30242 Rebuilt for https://fedoraproject.org/wiki/Fedora_42_Mass_Rebuild