$ git clone -n https://src.fedoraproject.org/rpms/ocaml-ppx-import.git /var/lib/mock/f41-build-side-1-2673821-29255/root/chroot_tmpdir/scmroot/ocaml-ppx-import
Cloning into '/var/lib/mock/f41-build-side-1-2673821-29255/root/chroot_tmpdir/scmroot/ocaml-ppx-import'...
$ git fetch origin 7556db315f665590fbf1e322a2dd66c9050d71e4:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ocaml-ppx-import
 * [new ref]         7556db315f665590fbf1e322a2dd66c9050d71e4 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 7556db3 Orphaned for 6+ weeks