$ git clone -n https://src.fedoraproject.org/rpms/ocaml-sexplib.git /var/lib/mock/f33-build-345575-59312/root/chroot_tmpdir/scmroot/ocaml-sexplib
Cloning into '/var/lib/mock/f33-build-345575-59312/root/chroot_tmpdir/scmroot/ocaml-sexplib'...
$ git reset --hard 47d0fe30e854f6f6ef9d15f4754f7c9351dddbed
HEAD is now at 47d0fe3 Bump release and rebuild.