gistfile1.txt

#Lots of credit to http://www.merowing.info/2013/03/overlaying-application-version-on-top-of-your-icon/

# USAGE:
# Run setup.sh first to make sure ImageMagick works
# This script takes one argument: a path to the folder containing the icons to burn.

version=`/usr/libexec/PlistBuddy -c "Print CFBundleShortVersionString" "${INFOPLIST_FILE}"`

branch=`git rev-parse --abbrev-ref HEAD`
caption="${branch}\n${version}"
identify="/usr/local/bin/identify"
convert="/usr/local/bin/convert"
resource_path="${CONFIGURATION_BUILD_DIR}/${UNLOCALIZED_RESOURCES_FOLDER_PATH}"
icon_root=$1

if [[ -z "${icon_root}" || ! -e "${icon_root}" ]]; then
	echo "You must pass the root folder containing the icons you'd like to burn."
	exit;
fi

if [[ ! -e ${identify} || ! -e ${convert} ]]; then
	echo "ImageMagick is not installed correctly. Aborting."
	exit;
fi

function burn() {
	base_path=$1
	base_icon=`basename ${base_path}`
	echo "Burning ${base_icon} with build information"

	target_path="${resource_path}/${base_icon}"

	width=`${identify} -format %w ${base_path}`
	height=`echo ${width}/3 | bc`

	if [ `echo "(${height} < 40)" | bc` == 1 ]; then
		height=40
	fi

	${convert} -background '#0008' -fill white -gravity center -size ${width}x${height} \
    	caption:"${caption}"\
    	"${base_path}" +swap -gravity south -composite  "${target_path}"
}

echo "Applying version caption \"${caption}\" to icons in ${icon_root}"

# Go through the icon files we've already moved and burn them with build information
for icon in "Icon.png" "Icon@2x.png" "Icon-72@2x.png" "Icon-72.png"
do
	burn ${icon_root}/${icon}
done