$ git clone -n https://src.fedoraproject.org/rpms/ocaml-odoc.git /var/lib/mock/f42-build-866072-173700/root/chroot_tmpdir/scmroot/ocaml-odoc
Cloning into '/var/lib/mock/f42-build-866072-173700/root/chroot_tmpdir/scmroot/ocaml-odoc'...
$ git fetch origin 94c760d27b9137707d256075037c5116b6bf947c:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ocaml-odoc
 * [new ref]         94c760d27b9137707d256075037c5116b6bf947c -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 94c760d OCaml 5.3.0 rebuild for Fedora 42