$ git clone -n https://src.fedoraproject.org/rpms/ocaml-mysql.git /var/lib/mock/f40-build-2057700-49124/root/chroot_tmpdir/scmroot/ocaml-mysql
Cloning into '/var/lib/mock/f40-build-2057700-49124/root/chroot_tmpdir/scmroot/ocaml-mysql'...
$ git fetch origin 739edf547ed882f38d469c75e821240187caed5c:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ocaml-mysql
 * [new ref]         739edf547ed882f38d469c75e821240187caed5c -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 739edf5 OCaml 5.1.1 rebuild for Fedora 40