#!/bin/env sh

grub_config=$(cat <<EOF

set timeout=15
set default=0

menuentry "StupidOS" {
   echo "verify system integrity"
   hashsum --hash sha256 --check /boot/hashfile --prefix /
   multiboot /stpdboot.sys
   module /vmstupid.sys
   boot
}

EOF
)

gen_iso_file() {
	mkdir -p "$2/boot/grub"
	echo "$grub_config" > "$2/boot/grub/grub.cfg"
	(cd "$2"; 
		sha256sum -b -t "vmstupid.sys" > "boot/hashfile";
		sha256sum -b -t "stpdboot.sys" >> "boot/hashfile"
	)
	grub-file --is-x86-multiboot "$2/stpdboot.sys" || exit 1

	grub-mkrescue -o $1 $2
}

gen_iso_file "$1" "$2"