$ git clone -n https://src.fedoraproject.org/rpms/ocaml-mdx.git /var/lib/mock/f41-build-811967-147631/root/chroot_tmpdir/scmroot/ocaml-mdx
Cloning into '/var/lib/mock/f41-build-811967-147631/root/chroot_tmpdir/scmroot/ocaml-mdx'...
$ git fetch origin 5774896621f547bfe96fd8942c63e11ef0045f9a:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ocaml-mdx
 * [new ref]         5774896621f547bfe96fd8942c63e11ef0045f9a -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 5774896 OCaml 5.2.0 for Fedora 41