$ git clone -n https://src.fedoraproject.org/rpms/ocaml-parsexp.git /var/lib/mock/f42-build-865632-173376/root/chroot_tmpdir/scmroot/ocaml-parsexp
Cloning into '/var/lib/mock/f42-build-865632-173376/root/chroot_tmpdir/scmroot/ocaml-parsexp'...
$ git fetch origin 97af52810985efa3a6b5b1c2512340e0ccc7dfda:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ocaml-parsexp
 * [new ref]         97af52810985efa3a6b5b1c2512340e0ccc7dfda -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 97af528 OCaml 5.3.0 rebuild for Fedora 42