add Version to icon Xcode 9

iconVersioning.sh

#!/bin/sh
export PATH=/opt/local/bin/:/opt/local/sbin:$PATH:/usr/local/bin:

convertPath=`which convert`
gsPath=`which gs`

if [[ ! -f ${convertPath} || -z ${convertPath} ]]; then
  convertValidation=true;
else
  convertValidation=false;
fi

if [[ ! -f ${gsPath} || -z ${gsPath} ]]; then
  gsValidation=true;
else
  gsValidation=false;
fi

if [[ "$convertValidation" = true || "$gsValidation" = true ]]; then
  echo "WARNING: Skipping Icon versioning, you need to install ImageMagick and ghostscript (fonts) first, you can use brew to simplify process:"

  if [[ "$convertValidation" = true ]]; then
    echo "brew install imagemagick"
  fi
  if [[ "$gsValidation" = true ]]; then
    echo "brew install ghostscript"
  fi
exit 0;
fi

version=`/usr/libexec/PlistBuddy -c "Print CFBundleShortVersionString" "${SRCROOT}/${PROJECT_NAME}/${INFOPLIST_PATH}"`
build_num=`/usr/libexec/PlistBuddy -c "Print CFBundleVersion" "${SRCROOT}/${PROJECT_NAME}/${INFOPLIST_PATH}"`

# Check if we are under a Git or Hg repo
if [ -d .git ] || git rev-parse --git-dir > /dev/null 2>&1; then
    commit=`git rev-parse --short HEAD`
    branch=`git rev-parse --abbrev-ref HEAD`
else
    commit=`hg identify -i`
    branch=`hg identify -b`
fi;

#SRCROOT=..
#CONFIGURATION_BUILD_DIR=.
#UNLOCALIZED_RESOURCES_FOLDER_PATH=.

#commit="3783bab"
#branch="master"
#version="3.4"
#build_num="9999"

shopt -s extglob
build_num="${build_num##*( )}"
shopt -u extglob
caption="${version} ($build_num)\n${branch}\n${commit}"
echo $caption

function abspath() { pushd . > /dev/null; if [ -d "$1" ]; then cd "$1"; dirs -l +0; else cd "`dirname \"$1\"`"; cur_dir=`dirs -l +0`; if [ "$cur_dir" == "/" ]; then echo "$cur_dir`basename \"$1\"`"; else echo "$cur_dir/`basename \"$1\"`"; fi; fi; popd > /dev/null; }

function processIcon() {
    base_path=$1

     echo base_path

    #this is the change
    target_path=$base_path


    width=`identify -format %w ${base_path}`
    height=`identify -format %h ${base_path}`

    band_height=$((($height * 47) / 100))
    band_position=$(($height - $band_height))
    text_position=$(($band_position - 3))
    point_size=$(((13 * $width) / 100))

    echo "Image dimensions ($width x $height) - band height $band_height @ $band_position - point size $point_size"

    #
    # blur band and text
    #
    convert ${base_path} -blur 10x8 /tmp/blurred.png
    convert /tmp/blurred.png -gamma 0 -fill white -draw "rectangle 0,$band_position,$width,$height" /tmp/mask.png
    convert -size ${width}x${band_height} xc:none -fill 'rgba(0,0,0,0.2)' -draw "rectangle 0,0,$width,$band_height" /tmp/labels-base.png
    convert -background none -size ${width}x${band_height} -pointsize $point_size -fill white -gravity center -gravity South caption:"$caption" /tmp/labels.png

    convert ${base_path} /tmp/blurred.png /tmp/mask.png -composite /tmp/temp.png

    rm /tmp/blurred.png
    rm /tmp/mask.png

    #
    # compose final image
    #
    filename=New${base_file}
    convert /tmp/temp.png /tmp/labels-base.png -geometry +0+$band_position -composite /tmp/labels.png -geometry +0+$text_position -geometry +${w}-${h} -composite "${target_path}"

    # clean up
    rm /tmp/temp.png
    rm /tmp/labels-base.png
    rm /tmp/labels.png

    echo "Overlayed ${target_path}"
}






    if [ $CONFIGURATION = "Release" ]; then
       cp  $SRCROOT/$PROJECT_NAME/Assets.xcassets/AppIcon.appiconset/icons/*.png "${SRCROOT}/${PROJECT_NAME}/Assets.xcassets/AppIcon.appiconset/"
      echo "Exit"
      exit 0
    fi
    

if [ -d "${SRCROOT}/${PROJECT_NAME}/Assets.xcassets/AppIcon.appiconset/icons/" ] 
then
    echo "Directory exists." 
    # get original icon to copy to assets
       cp  $SRCROOT/$PROJECT_NAME/Assets.xcassets/AppIcon.appiconset/icons/*.png "${SRCROOT}/${PROJECT_NAME}/Assets.xcassets/AppIcon.appiconset/"
else
	# copy orgin to AppIcon
    rsync -rv  --include '*.png' --exclude '*' "${SRCROOT}/${PROJECT_NAME}/Assets.xcassets/AppIcon.appiconset/" "${SRCROOT}/${PROJECT_NAME}/Assets.xcassets/AppIcon.appiconset/icons/"
fi


for entry in "${SRCROOT}/${PROJECT_NAME}/Assets.xcassets/AppIcon.appiconset"/*.png
do
  processIcon "$entry"
done