#!/bin/sh
OLDDIR="$(pwd)"
while [ -n "$1" ]; do
    mkdir -p $2.iconset
    for size in 16 24 32 48 64 128 256 512 1024; do
        for scale in 1 2; do
            export realsize=$((size * scale))
            export name="$2.iconset/$(basename $2)_$size"
            if [ "$scale" -gt 1 ]; then
                export name="$name@${scale}x"
            fi
            export name="$name.png"
            rsvg-convert "$1" -w "$size" -h "$size" -o "$name"
        done
    done
    iconutil -c icns --output "$2.icns" "$2.iconset"
    rm -r "$2.iconset"
    shift 2
done
cd "$OLDDIR"