bash scripts to build number overlay on iOS app icons

build_number_overlay.sh

IFS=$'\n'

function tagAllIcons(){
    buildNumber=$(/usr/libexec/PlistBuddy -c "Print CFBundleVersion" "${PROJECT_DIR}/${INFOPLIST_FILE}")
    versionNumber=$(/usr/libexec/PlistBuddy -c "Print CFBundleShortVersionString" "${PROJECT_DIR}/${INFOPLIST_FILE}")
    
    APP_ICONS_PATH="${PROJECT_DIR}/BuildNumberTagger/Images.xcassets/AppIcon.appiconset"
    REFERENCE_ICONS_PATH="${PROJECT_DIR}/BuildNumberTagger/AppIconReference.xcassets"
    
    for ICON_PATH in $(find ${REFERENCE_ICONS_PATH} -name "*Icon*.png")
    do
    name=${ICON_PATH##*/}
        TARGET_PATH="${APP_ICONS_PATH}/$name"
        
        echo $TARGET_PATH
        
        WIDTH=$(identify -format %w ${ICON_PATH})
        FONT_SIZE=$(echo "$WIDTH * .17" | bc -l)
        
        convert ${ICON_PATH} -fill white -font Courier -pointsize ${FONT_SIZE} -gravity south -annotate 0 "$versionNumber($buildNumber)" ${TARGET_PATH}
        
        done
}
    
if [ "${CONFIGURATION}"=="Release" ]; then
    tagAllIcons
fi