#!/bin/bash

declare -r FREEMEM=$(free |grep Mem: | awk '{print $4}')

if [ "${FREEMEM}" -lt 130000 ]; then
	echo "Not enough free ram, exiting"
	exit 1
fi

declare PHPOLDVER=""
declare -r PHPOLD=$(apt list --installed | grep php)
if [[ "${PHPOLD}" != "" ]] ;then
	PHPOLDVER=$(ls /etc/php | tail -n 1)
	apt list --installed | grep php > ./12to13-phpold.txt
	sed -i 's/\/.*//' ./12to13-phpold.txt
fi




sed -i 's/bookworm/trixie/' /etc/apt/sources.list
sed -i 's/bookworm/trixie/' /etc/apt/sources.list.d/*
# Check other sources if needed


# Can resolve dpkg issue :
# echo "" > /var/lib/dpkg/available
# sh -c 'for i in /var/lib/apt/lists/*_Packages; do dpkg --merge-avail "$i"; done'

apt update
apt dist-upgrade -y
apt autoclean -y
apt autopurge -y

declare PHPNEWVER=""
declare -r PHPNEW=$(apt list --installed | grep php)
if [[ "${PHPNEW}" != "" ]] ;then
	PHPNEWVER=$(ls /etc/php | tail -n 1)
	apt list --installed | grep php > ./12to13-phpnew.txt
	sed -i 's/\/.*//' ./12to13-phpnew.txt

	cp ./12to13-phpold.txt ./12to13-phpold.fordiff
	sed -i "s/${PHPOLDVER}/${PHPNEWVER}/" ./12to13-phpold.fordiff
	diff ./12to13-phpold.fordiff ./12to13-phpnew.txt | grep "<" > ./12to13-php.diff
	rm ./12to13-phpold.fordiff

	echo ""
	echo "PHP V${PHPOLDVER} detected"
	echo "New version : ${PHPNEWVER}"
	echo ""
	cat ./12to13-php.diff
	echo ""
	echo "You can consult files 12to13-php.* after reboot"
	echo ""
fi

#if [ -d /sys/firmware/efi ]; then
#	if [ -d /etc/pve ]; then
#		apt install -y systemd-boot
#	fi
#fi


echo ""
hostname
read -n 1 -s -r -p "Press any key to reboot"
reboot