$ git clone -n https://src.fedoraproject.org/rpms/R-R.rsp.git /var/lib/mock/f41-build-side-1-2749579-31004/root/chroot_tmpdir/scmroot/R-R.rsp
Cloning into '/var/lib/mock/f41-build-side-1-2749579-31004/root/chroot_tmpdir/scmroot/R-R.rsp'...
$ git fetch origin d929a4b7a4062bd3fd7416c952380a2c987320b9:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/R-R.rsp
 * [new ref]         d929a4b7a4062bd3fd7416c952380a2c987320b9 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at d929a4b convert license to SPDX