$ git clone -n https://src.fedoraproject.org/forks/packit-stg/rpms/gpxsee.git /var/lib/mock/f41-build-58932169-6569336/root/chroot_tmpdir/scmroot/gpxsee
Cloning into '/var/lib/mock/f41-build-58932169-6569336/root/chroot_tmpdir/scmroot/gpxsee'...
$ git fetch origin 6846e490d4761f2da4cbfbd314da32b15d69b060:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/forks/packit-stg/rpms/gpxsee
 * [new ref]         6846e490d4761f2da4cbfbd314da32b15d69b060 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 6846e49 Update to 13.39 upstream release