#!/sbin/sh
TMPDIR=/dev/tmp
MOUNTPATH=/dev/magisk_img

# Default permissions
umask 022

# Initial cleanup
rm -rf $TMPDIR 2>/dev/null
mkdir -p $TMPDIR

# echo before loading util_functions
ui_print() { echo "$1"; }

require_new_magisk() {
  ui_print "*******************************"
  ui_print " Please install Magisk v20.0+! "
  ui_print "*******************************"
  exit 1
}

OUTFD=$2
ZIPFILE=$3

mount /data 2>/dev/null

# Load utility functions
if [ -f /data/adb/magisk/util_functions.sh ]; then
  . /data/adb/magisk/util_functions.sh
elif [ -f /data/magisk/util_functions.sh ]; then
  NVBASE=/data
  . /data/magisk/util_functions.sh
else
  require_new_magisk
fi

# Use alternative image if applicable
$BOOTMODE && IMG=$NVBASE/magisk_merge.img
# Always mount under tmp
MOUNTPATH=$TMPDIR/magisk_img

# Preperation for flashable zips
setup_flashable

# Mount partitions
mount_partitions

# Detect version and architecture
api_level_arch_detect

# Setup busybox and binaries
$BOOTMODE && boot_actions || recovery_actions

##########################################################################################
# Flashable update-binary preparation
##########################################################################################

# Extract common files
unzip -oj "$ZIPFILE" module.prop install.sh uninstall.sh 'common/*' -d $TMPDIR >&2

[ ! -f $TMPDIR/install.sh ] && abort "! Unable to extract zip file!"
# Load install script
. $TMPDIR/install.sh

if $BOOTMODE; then
  # Update info for Magisk Manager
  if $BOOTMODE; then
    mkdir -p $NVBASE/modules_update/$MODID
    cp -af $MODPATH/* $NVBASE/modules_update/$MODID/
    rm -f $NVBASE/modules_update/$MODID/update
    rm -f $NVBASE/modules_update/$MODID/auto_mount
  fi

  # Remove module from modules folder
  rm -rf $NVBASE/modules/$MODID
fi

# Copy module files
ui_print "- Installing module files"
cp -af $TMPDIR/system $MODPATH/system

# Remove placeholder
rm -f $MODPATH/system/placeholder

# Custom uninstaller
[ -f $TMPDIR/uninstall.sh ] && cp -af $TMPDIR/uninstall.sh $MODPATH/uninstall.sh

# Auto Mount
if $AUTOMOUNT; then
  touch $MODPATH/auto_mount
fi

# Module info
cp -af $TMPDIR/module.prop $MODPATH/module.prop

# Handle replace folders
for TARGET in $REPLACE; do
  mktouch $MODPATH$TARGET/.replace
done

# Set permissions
set_permissions

# Cleanup
$BOOTMODE || recovery_cleanup
rm -rf $TMPDIR

exit 0 