$ git clone -n https://src.fedoraproject.org/rpms/ocaml-ppx-enumerate.git /var/lib/mock/f40-build-784288-133348/root/chroot_tmpdir/scmroot/ocaml-ppx-enumerate
Cloning into '/var/lib/mock/f40-build-784288-133348/root/chroot_tmpdir/scmroot/ocaml-ppx-enumerate'...
$ git fetch origin 4fc21bd7d6fbfd05657e8a037e633cd825bdbe9b:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ocaml-ppx-enumerate
 * [new ref]         4fc21bd7d6fbfd05657e8a037e633cd825bdbe9b -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 4fc21bd Rebuild for changed ocamlx hashes