$ git clone -n https://src.fedoraproject.org/rpms/ocaml-camlbz2.git /var/lib/mock/f40-build-2057611-49124/root/chroot_tmpdir/scmroot/ocaml-camlbz2
Cloning into '/var/lib/mock/f40-build-2057611-49124/root/chroot_tmpdir/scmroot/ocaml-camlbz2'...
$ git fetch origin 0c273d818b57bb06b8e607fc7404c517632732fe:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ocaml-camlbz2
 * [new ref]         0c273d818b57bb06b8e607fc7404c517632732fe -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 0c273d8 OCaml 5.1.1 rebuild for Fedora 40