$ git clone -n https://src.fedoraproject.org/rpms/ocaml-sedlex.git /var/lib/mock/f41-build-838482-159705/root/chroot_tmpdir/scmroot/ocaml-sedlex
Cloning into '/var/lib/mock/f41-build-838482-159705/root/chroot_tmpdir/scmroot/ocaml-sedlex'...
$ git fetch origin 232eb06b5bb101bacb97747232f7a70fac1f4e94:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ocaml-sedlex
 * [new ref]         232eb06b5bb101bacb97747232f7a70fac1f4e94 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 232eb06 Rebuild for ocaml-ppxlib 0.33.0