#!/bin/zsh

zparseopts e=entries -entries-only=entries h=help -help=help

if [ ! -z "$help" ]; then
	echo "Usage: $0 [-h|--help] [-e|--entries-only]"
	echo "List the available GRUB menu options."
	echo "  -e, --entries-only   print menu entries without row numbers"
	echo "  -h, --help           print this message and exit"
	exit 0
fi

menuentries=$(sudo awk -F\' '/menuentry / {print $2}' /boot/grub/grub.cfg)
if [ -z "$entries" ]; then
	echo $menuentries | awk '{print "    ", NR-1, " ", $0}'
else
	echo $menuentries
fi