$ git clone -n https://src.fedoraproject.org/rpms/ocaml-sexplib0.git /var/lib/mock/f41-build-811249-147305/root/chroot_tmpdir/scmroot/ocaml-sexplib0
Cloning into '/var/lib/mock/f41-build-811249-147305/root/chroot_tmpdir/scmroot/ocaml-sexplib0'...
$ git fetch origin 53766637c66a13711e3aac3ade26cc8f4edf506a:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ocaml-sexplib0
 * [new ref]         53766637c66a13711e3aac3ade26cc8f4edf506a -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 5376663 OCaml 5.2.0 for Fedora 41