$ git clone -n https://src.fedoraproject.org/rpms/osm-gps-map.git /var/lib/mock/f41-build-side-1-2659208-28620/root/chroot_tmpdir/scmroot/osm-gps-map
Cloning into '/var/lib/mock/f41-build-side-1-2659208-28620/root/chroot_tmpdir/scmroot/osm-gps-map'...
$ git fetch origin 8fa3713c20e880c914b77813d083884809946fb1:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/osm-gps-map
 * [new ref]         8fa3713c20e880c914b77813d083884809946fb1 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 8fa3713 convert GPLv2 license to SPDX