$ git clone -n https://src.fedoraproject.org/rpms/python-ring-doorbell.git /var/lib/mock/f41-build-side-2-python-2718711-30600/root/chroot_tmpdir/scmroot/python-ring-doorbell
Cloning into '/var/lib/mock/f41-build-side-2-python-2718711-30600/root/chroot_tmpdir/scmroot/python-ring-doorbell'...
$ git fetch origin ee2a50fff80223812f6ceaffbc9bb29c910b9202:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-ring-doorbell
 * [new ref]         ee2a50fff80223812f6ceaffbc9bb29c910b9202 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at ee2a50f convert license to SPDX