icns.sh

#!/bin/bash

mkdir tmp.iconset

sips -z 16 16       assets/icon.png --out tmp.iconset/icon_16x16.png
sips -z 32 32       assets/icon.png --out tmp.iconset/icon_16x16@2x.png
sips -z 32 32       assets/icon.png --out tmp.iconset/icon_32x32.png
sips -z 64 64       assets/icon.png --out tmp.iconset/icon_32x32@2x.png
sips -z 128 128     assets/icon.png --out tmp.iconset/icon_128x128.png
sips -z 256 256     assets/icon.png --out tmp.iconset/icon_128x128@2x.png
sips -z 256 256     assets/icon.png --out tmp.iconset/icon_256x256.png
sips -z 512 512     assets/icon.png --out tmp.iconset/icon_256x256@2x.png
sips -z 512 512     assets/icon.png --out tmp.iconset/icon_512x512.png
sips -z 1024 1024   assets/icon.png --out tmp.iconset/icon_512x512@2x.png

iconutil -c icns tmp.iconset -o assets/icon.icns