#!/bin/bash -x

if [ -s /usr/share/doc/packages/blender/geeko_example_scene.blend ]; then
    demo=/usr/share/doc/packages/blender/geeko_example_scene.blend
else
    demo=/usr/share/doc/packages/blender/geeko.blend
fi

usage() {
    cat >&2 <<EOF
run blender with a geeko demo scene, depending on what is available

usage: $0 [-h] [-v1] [other.blend]
       -h   this message
       -o   force old geeko.blend

without arguments, it loads $demo
EOF
    exit 1
}

while getopts ho par ; do
    case $par in
    h) usage;;
    o) demo=/usr/share/doc/packages/blender/geeko.blend;;
    esac
done

shift $(($OPTIND - 1))

if [ "$#" -ge 1 -a "${1: -6}" == ".blend" ]; then
    demo="$1"
fi

exec /usr/bin/blender "$demo"