$ git clone -n https://src.fedoraproject.org/rpms/0ad-data.git /var/lib/mock/f41-build-side-1-2630133-25592/root/chroot_tmpdir/scmroot/0ad-data
Cloning into '/var/lib/mock/f41-build-side-1-2630133-25592/root/chroot_tmpdir/scmroot/0ad-data'...
$ git fetch origin b6311111079df116104085c4b1b5995c98adcdcf:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/0ad-data
 * [new ref]         b6311111079df116104085c4b1b5995c98adcdcf -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at b631111 convert license to SPDX