#!/bin/bash
set -e
 
if [ -e "macOS" ]; then
  rm -R macOS
fi
 
 
appname=fpcupdeluxe
appversion=0.99.c
pkgversion=0
 
appnamenospaces=FpcupDeluxe
dskimage="$appnamenospaces"
appbundle="$appname.app"
 
DMG_BACKGROUND_IMG="chimp.png"
 
VOL_NAME="${appname}"  
DMG_TMP="${VOL_NAME}-temp.dmg"
DMG_FINAL="${VOL_NAME}.dmg"        
STAGING_DIR="./macOS"

# clear out any old data
rm -rf "${STAGING_DIR}" "${DMG_TMP}" "${DMG_FINAL}"
 
# copy over the stuff we want in the final disk image to our staging dir
mkdir -p "${STAGING_DIR}"
cp -rpf "'${appnamenospaces}'.app" "${STAGING_DIR}"
# ... cp anything else you want in the DMG - documentation, etc.
 
pushd "${STAGING_DIR}"
 
# ... perform any other stripping/compressing of libs and executables
 
popd
 
# figure out how big our DMG needs to be
#  assumes our contents are at least 1M!
SIZE=`du -sh "${STAGING_DIR}" | sed 's/\([0-9\.]*\)M\(.*\)/\1/'`
SIZE=`echo "${SIZE} + 1.0" | bc | awk '{print int($1+0.5)}'`
 
if [ $? -ne 0 ]; then
   echo "Error: Cannot compute size of staging dir"
   exit
fi
 
# create the temp DMG file
hdiutil create -srcfolder "${STAGING_DIR}" -volname "${VOL_NAME}" -fs HFS+ \
      -fsargs "-c c=64,a=16,e=16" -format UDRW -size ${SIZE}M "${DMG_TMP}"
 
echo "Created DMG: ${DMG_TMP}"
 
# mount it and save the device
DEVICE=$(hdiutil attach -readwrite -noverify "${DMG_TMP}" | \
         egrep '^/dev/' | sed 1q | awk '{print $1}')
 
sleep 2
 
# add a link to the Applications dir
echo "Add link to /Applications"
pushd /Volumes/"${VOL_NAME}"
ln -s /Applications
popd
 
# add a background image
mkdir /Volumes/"${VOL_NAME}"/.background
cp "${DMG_BACKGROUND_IMG}" /Volumes/"${VOL_NAME}"/.background/
 
# tell the Finder to resize the window, set the background,
#  change the icon size, place the icons in the right position, etc.
echo '
  tell application "Finder"
    tell disk "'${VOL_NAME}'"
          open
          set current view of container window to icon view
          set toolbar visible of container window to false
          set statusbar visible of container window to false
          set the bounds of container window to {400, 100, 920, 440}
          set viewOptions to the icon view options of container window
          set arrangement of viewOptions to not arranged
          set icon size of viewOptions to 72
          set background picture of viewOptions to file ".background:'${DMG_BACKGROUND_IMG}'"
          set position of item "'${appname}'.app" of container window to {160, 205}
          set position of item "Applications" of container window to {360, 205}
          close
          open
          update without registering applications
          delay 2
    end tell
  end tell
' | osascript
 
sync
 
# unmount it
hdiutil detach "${DEVICE}"
 
# now make the final image a compressed disk image
echo "Creating compressed image"
hdiutil convert "${DMG_TMP}" -format UDZO -imagekey zlib-level=9 -o "${DMG_FINAL}"
 
# clean up
rm -rf "${DMG_TMP}"
rm -rf "${STAGING_DIR}"
 
echo 'Done.'
 
exit
 
 