#!/bin/bash
#remaster lib
[ -d "<LIBDIR>" ] || { echo "LIBDIR not exist"; exit 1; }

#iso_create [chroot_path] [iso_extr_dir] [iso_destination] [iso_lable]
function iso_create() {
	echo -n "create iso ..."

	chroot_path="$1"
	iso_extr_dir="$2"
	iso_destination="$3"
	iso_lable="$4"

	[ -e "$iso_destination" ] && rm "$iso_destination"

	xorriso -as mkisofs -graft-points -c isolinux/boot.cat -b isolinux/isolinux.bin \
	-no-emul-boot -boot-info-table -boot-load-size 4 -isohybrid-mbr \
	"$iso_extr_dir/isolinux/isolinux.bin" \
	-eltorito-alt-boot -e boot/grub/efi.img -no-emul-boot \
	-isohybrid-gpt-basdat -V "$iso_lable" \
	-o "$iso_destination" \
	-r -J "$iso_extr_dir" \
	--sort-weight 0 / --sort-weight 2 /boot --sort-weight 1 /isolinux

	echo "done"
}

#this func is standalone executable
[ -n "$1" ] && {
  iso_create $@
}