$ git clone -n https://src.fedoraproject.org/rpms/gphotofs.git /var/lib/mock/f41-build-1028366-18355/root/chroot_tmpdir/scmroot/gphotofs
Cloning into '/var/lib/mock/f41-build-1028366-18355/root/chroot_tmpdir/scmroot/gphotofs'...
$ git fetch origin d0848a8a8d623ad71239032d47b9611b7e52b9be:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/gphotofs
 * [new ref]         d0848a8a8d623ad71239032d47b9611b7e52b9be -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at d0848a8 convert GPL+ license to SPDX