$ git clone -n https://src.fedoraproject.org/rpms/gpxsee.git /var/lib/mock/f42-build-side-1-3522645-46186/root/chroot_tmpdir/scmroot/gpxsee
Cloning into '/var/lib/mock/f42-build-side-1-3522645-46186/root/chroot_tmpdir/scmroot/gpxsee'...
$ git fetch origin d66fd13465e49fa51e1a2e4beab1aa58f9b9efb9:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/gpxsee
 * [new ref]         d66fd13465e49fa51e1a2e4beab1aa58f9b9efb9 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at d66fd13 Update to 13.41 upstream release