sundeepgupta · August 29, 2015 14:19
diff --git a/Overlay_iOS_app_version_on_icon_README.md b/Overlay_iOS_app_version_on_icon_README.md
diff --git a/tag_icons.sh b/tag_icons.sh
 # Overlay the build version and the git hash on the app icon
 #
 # Inspired by @merowing and @bejo script
 # who were inspired initially by Evan Doll's talk
 #
 # http://www.merowing.info/2013/03/overlaying-application-version-on-top-of-your-icon/#.VCg9li5_v6A
 # https://github.com/bejo/XcodeIconTagger/blob/master/tagIcons.sh

 commit=`git rev-parse --short HEAD`
 branch=`git rev-parse --abbrev-ref HEAD`
 version=`/usr/libexec/PlistBuddy -c "Print CFBundleVersion" "${INFOPLIST_FILE}"`

 # script subcommands
 mode=$1
 tagMode="tag"
 cleanupMode="cleanup"

 function processIcon() {
    export PATH=$PATH:/usr/local/bin:/opt/boxen/homebrew/bin/
    icon_path=$1
    
    width=`identify -format %w ${icon_path}`
    
    convert -background '#0008' -fill white -gravity center -size ${width}x40\
    caption:"${version} ${branch} ${commit}"\
    ${icon_path} +swap -gravity south -composite ${icon_path}
    echo "Icon '$icon_path' updated"
 }

 # retrieve the icon list from the assets catalogue
 iconsDirectory=`cd $2 && pwd`
 if [ $(echo "${iconsDirectory}" | grep -E "\.appiconset$") ]; then
    icons=(`grep 'filename' "${iconsDirectory}/Contents.json" | cut -f2 -d: | tr -d ',' | tr -d '\n' | tr -d '"'`)
 else
    icons=(`/usr/libexec/PlistBuddy -c "Print CFBundleIconFiles" "${INFOPLIST_FILE}" | grep png | tr -d '\n'`)
 fi

 iconsCount=${#icons[*]}
 for (( i=0; i<iconsCount; i++ ))
 do
    icon="$iconsDirectory/${icons[$i]}"

    if [ -f $icon ]; then
        if [ $mode == $tagMode ]; then
            # ensure the icon hasn't been already tagged
            git checkout $icon
            # tag it
            processIcon $icon
        elif [ $mode == $cleanupMode ]; then
            git checkout $icon
        else
            echo " ! Unknown mode `$mode`"
        fi
    else 
        echo " ! No icon for path `$icon`" 
    fi
 done
	# Overlay the build version and the git hash on the app icon
	#
	# Inspired by @merowing and @bejo script
	# who were inspired initially by Evan Doll's talk
	#
	# http://www.merowing.info/2013/03/overlaying-application-version-on-top-of-your-icon/#.VCg9li5_v6A
	# https://github.com/bejo/XcodeIconTagger/blob/master/tagIcons.sh

	commit=`git rev-parse --short HEAD`
	branch=`git rev-parse --abbrev-ref HEAD`
	version=`/usr/libexec/PlistBuddy -c "Print CFBundleVersion" "${INFOPLIST_FILE}"`

	# script subcommands
	mode=$1
	tagMode="tag"
	cleanupMode="cleanup"

	function processIcon() {
	export PATH=$PATH:/usr/local/bin:/opt/boxen/homebrew/bin/
	icon_path=$1

	width=`identify -format %w ${icon_path}`

	convert -background '#0008' -fill white -gravity center -size ${width}x40\
	caption:"${version} ${branch} ${commit}"\
	${icon_path} +swap -gravity south -composite ${icon_path}
	echo "Icon '$icon_path' updated"
	}

	# retrieve the icon list from the assets catalogue
	iconsDirectory=`cd $2 && pwd`
	if [ $(echo "${iconsDirectory}" \| grep -E "\.appiconset$") ]; then
	icons=(`grep 'filename' "${iconsDirectory}/Contents.json" \| cut -f2 -d: \| tr -d ',' \| tr -d '\n' \| tr -d '"'`)
	else
	icons=(`/usr/libexec/PlistBuddy -c "Print CFBundleIconFiles" "${INFOPLIST_FILE}" \| grep png \| tr -d '\n'`)
	fi

	iconsCount=${#icons[*]}
	for (( i=0; i<iconsCount; i++ ))
	do
	icon="$iconsDirectory/${icons[$i]}"

	if [ -f $icon ]; then
	if [ $mode == $tagMode ]; then
	# ensure the icon hasn't been already tagged
	git checkout $icon
	# tag it
	processIcon $icon
	elif [ $mode == $cleanupMode ]; then
	git checkout $icon
	else
	echo " ! Unknown mode `$mode`"
	fi
	else
	echo " ! No icon for path `$icon`"
	fi
	done
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