$ git clone -n https://src.fedoraproject.org/rpms/ocaml-expat.git /var/lib/mock/f41-build-811831-147589/root/chroot_tmpdir/scmroot/ocaml-expat
Cloning into '/var/lib/mock/f41-build-811831-147589/root/chroot_tmpdir/scmroot/ocaml-expat'...
$ git fetch origin 677feea2ec0336766770b8458a095a049f0e3ab0:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ocaml-expat
 * [new ref]         677feea2ec0336766770b8458a095a049f0e3ab0 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 677feea OCaml 5.2.0 for Fedora 41