#!/bin/bash

#echo "DEBUG: $ 1 = Full path to the installation package the installer app is processing: " $1
#echo "DEBUG: $ 2 = Full path to the installation destination: " $2
#echo "DEBUG: $ 3 = Installation volume (mountpoint) to receive the payload: " $3
#echo "DEBUG: $ 4 = Root directory for the system: " $4

echo "preinstall: Path to installer....... $1"
echo "preinstall: Path to destination..... $2"
echo "preinstall: Path to dest volume..... $3"
echo "preinstall: Root of system folder... $4"

#############################################################################

DEST_VOL="${3}"
EFI_ROOT_DIR=$(cd "${DEST_VOL}"/Private/tmp/EFIROOTDIR; pwd -P)
install_log="${DEST_VOL}/Private/tmp/Clover_Install_Log.txt"
driver_dir="@DRIVER_DIR@"
driver_name="@DRIVER_NAME@"

if [[ -d "$EFI_ROOT_DIR/EFI/CLOVER/drivers/$driver_dir" ]]; then
  cd "$EFI_ROOT_DIR/EFI/CLOVER/drivers/$driver_dir"
  if [[ $driver_name == VBoxHfs.efi ]]; then
    for driver in *.efi
    do
      low=$(echo $driver | tr '[:upper:]' '[:lower:]')
      if [[ $driver != $driver_name ]] && [[ "$low" == *hfsplus* || "$low" == *grubhfs* ]]; then
        echo "Removing ${driver_dir}/${driver} because $driver_name is installed!" >> "$install_log"
        rm -f $driver
      fi
    done
  elif [[ $driver_name == HFSPlus.efi ]]; then
    for driver in *.efi
    do
      low=$(echo $driver | tr '[:upper:]' '[:lower:]')
      if [[ $driver != $driver_name ]] && [[ "$low" == *boxhfs* || "$low" == *grubhfs* ]]; then
        echo "Removing ${driver_dir}/${driver} because $driver_name is installed!" >> "$install_log"
        rm -f $driver
      fi
    done
  elif [[ $driver_name == ApfsDriverLoader.efi ]]; then
    for driver in *.efi
    do
      low=$(echo $driver | tr '[:upper:]' '[:lower:]')
      if [[ $driver != $driver_name && "$low" == apfs.efi ]]; then
        echo "Removing ${driver_dir}/${driver} because $driver_name is installed!" >> "$install_log"
        rm -f $driver
      fi
    done
  fi
fi