$ git clone -n https://src.fedoraproject.org/rpms/ocaml-yojson.git /var/lib/mock/f33-build-345677-59326/root/chroot_tmpdir/scmroot/ocaml-yojson
Cloning into '/var/lib/mock/f33-build-345677-59326/root/chroot_tmpdir/scmroot/ocaml-yojson'...
$ git reset --hard cfbee475fc6979f50f6fe250840c837d02181c9e
HEAD is now at cfbee47 Bump release and rebuild.