$ git clone -n https://src.fedoraproject.org/rpms/ocaml-ocamlbuild.git /var/lib/mock/f40-build-739582-109114/root/chroot_tmpdir/scmroot/ocaml-ocamlbuild
Cloning into '/var/lib/mock/f40-build-739582-109114/root/chroot_tmpdir/scmroot/ocaml-ocamlbuild'...
$ git fetch origin cd1a90364b2f67c4d10ed8df77e6589a0a5f59b5:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ocaml-ocamlbuild
 * [new ref]         cd1a90364b2f67c4d10ed8df77e6589a0a5f59b5 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at cd1a903 OCaml 5.1 rebuild for Fedora 40