Tough_Crowd/utils/makemacicon.sh

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#!/usr/bin/env bash
# Use this tool if you need to re-create
# Diffuse.app/Contents/Resources/diffuse.icns
# in case the icon changes (unlikely).
sizes=(16 32 64 128 256 512)
for s in "${sizes[@]}"; do
echo $s
rsvg-convert -h $s "$1" > "icon_${s}x$s.png"
done
cp 'icon_32x32.png' 'icon_16x16@2x.png'
cp 'icon_64x64.png' 'icon_32x32@2x.png'
cp 'icon_256x256.png' 'icon_128x128@2x.png'
cp 'icon_512x512.png' 'icon_256x256@2x.png'
mkdir icon.iconset
mv icon_*x*.png icon.iconset
iconutil -c icns icon.iconset