process_debug_icon.sh

#!/bin/sh
# https://gist.github.com/luckytianyiyan/8b27ef55465aec6bd77b6452b3d547f7

PATH=$PATH:/usr/local/bin
IFS=$'\n'

if [ ! $(command -v convert) ]; then
  echo "❗️ convert command not found"
  echo "brew install imagemagick"
  exit 1
fi

function generateIcon() {
  BASE_IMAGE_NAME=$1
  LOGO_PATH="$METAL_LIBRARY_OUTPUT_DIR/$BASE_IMAGE_NAME"
  if [ ! -f "$LOGO_PATH" ]; then
    echo "❗️ logo not found: $LOGO_PATH"
    return
  fi

  if [ "$EFFECTIVE_PLATFORM_NAME"x != "-iphonesimulator"x ]; then
    LOGO_TEMP_PATH="${LOGO_PATH%.png}-back.png"
    echo "🔨 fix icon $LOGO_PATH"
    $PLATFORM_DEVELOPER_BIN_DIR/pngcrush -revert-iphone-optimizations -q $LOGO_PATH $LOGO_TEMP_PATH
    mv $LOGO_TEMP_PATH $LOGO_PATH
  fi

  convert $LOGO_PATH -fill "#F29CB1" +opaque white $LOGO_PATH
  echo "✅ converted"
  echo "---"
}


if [ "$CONFIGURATION"x = "Debug"x ]; then
  echo -e "⚠️ Debug model, convert icon..."
  declare -a pngs=`ls $METAL_LIBRARY_OUTPUT_DIR | grep AppIcon`
  for filename in $pngs; do 
    echo "📌 processing $filename"
    generateIcon $filename
  done
fi
IFS=$OLDIFS