#!/bin/bash
# Backup and Restore Program for HamoniKR Desktop Linux (HamoniKR)
# Copyright (C) 2015-2019 HamoniKR Team, Kevin Kim
# This file may be used under the terms of the GNU General Public License, version 2 or later.
# For more details see: https://www.gnu.org/licenses/gpl-2.0.html
#
# echo "HamoniKR Rescue mode를 정의합니다."
# grub.cfg의 default 값을 수정하여 각각의 mode로 부팅할 수 있도록한다.

# hamonikr_rescue_mode 명령의 인자값을 받아, grub.cfg의 순서를 변경
# cf) $ hamonikr_rescue backup

if [ "$1" != "install" ] && [ "$1" != "backup" ] && [ "$1" != "restore" ] && [ "$1" != "server" ] && [ "$1" != "client" ] && [ "$1" != "Start" ] ; then
        echo "$ $0 [install|backup|restore|server|client]"
        exit 0
else
        echo "++++++++++++++++++++"
        echo "$1 starting..."
        echo "++++++++++++++++++++"
        sleep 1
        # grub을 초기화한다.
        sudo update-grub
	# grub 설정에서 인수값을 parsing하고, grub.cfg의 default 값을 변경한다.
        GRUB_MINUS=3
	GRUB_DEFAULT=0
        ACTION=$1

	if [ "$1" != "Start" ] ; then
	        GRUB_ACTION=`grep -E 'menuentry.*{$' /boot/grub/grub.cfg |grep -n menuentry |grep $ACTION | awk -F: '{print $1}'`
        	GRUB_RESULT=`expr $GRUB_ACTION - $GRUB_MINUS`
        	sudo sed -i '/set default="."/s/set default="."/set default="'$GRUB_RESULT'"/g' /boot/grub/grub.cfg
	else
		#GRUB_ACTION=`grep -E 'menuentry.*{$' /boot/grub/grub.cfg |grep -n menuentry |grep $ACTION | awk -F: '{print $1}'`
                #GRUB_RESULT=`expr $GRUB_ACTION - $GRUB_DEFAULT`
		sudo sed -i '/set default="."/s/set default="."/set default="'$GRUB_DEFAULT'"/g' /boot/grub/grub.cfg
	fi
fi

# reboot
case $LANG in
        ko* )
                echo "+++++++++++++++++++++++++++++++++++++++++"
                echo "5초 후 시스템을 재부팅 합니다."
                echo "재부팅 후 $1 관련 작업이 진행됩니다."
                echo "+++++++++++++++++++++++++++++++++++++++++"
                ;;
        * )
                echo "+++++++++++++++++++++++++++++++++++++++++"
                echo "System will be reboot after 5 seconds."
                echo "After rebooting, $1 will proceed..."
                echo "+++++++++++++++++++++++++++++++++++++++++"
esac		 

sleep 5
sudo reboot