Compress images

Makefile

@@ -5,10 +5,10 @@ all: build stat clean
 build:
 	rm -f muri-src.zip muri.zip src/muri.min.js
 	uglifyjs --compress --mangle --no-dead-code --output src/muri.min.js src/*.js
+	(cd src/assets/images; for i in `ls *.png`; do pngcrush -brute -reduce_palette -ow $$i; done)
 	(cd src && zip -q -9 ../muri.zip index.html muri.min.js assets/* assets/**/* vendor/*.min.js)
 	(cd src && zip -q -9 ../muri-src.zip ./* ./**/* ./**/**/* ../README)
 
-.ONESHELL:
 stat: build
 	@filesize=`stat --printf="%s" muri.zip` && \
 	echo $$filesize "byte ->" $$((100*$$filesize/13000)) "%"
@@ -16,4 +16,5 @@ stat: build
 clean:
 	rm -f src/muri.min.js muri.zip
 
+.ONESHELL:
 .PHONY: build stat clean all