archupdate

#!/bin/bash
# Update all parts of the system
# else, just run a normal update. Either way, clean up the pacman cache afterwards.

function check_plugged_in() {
	plugged_in="1"
	if [[ -d "/sys/class/power_supply/BAT0" ]]; then
		# plugged_in=$(cat /sys/class/power_supply/AC0/online)
		plugged_in=$(cat /sys/class/power_supply/ADP1/online)
	fi

	if [ "$plugged_in" -eq "0" ]; then
		echo "not plugged in, exiting"
		exit
	fi
}

function info() {
	# check how many days since last update
	last_upgrade=$(tac /var/log/pacman.log |
		grep -m 1 'upgraded' |
		cut -d ' ' -f 1 | tr -d '[]')
	t1=$(date +%s -d "$last_upgrade")
	t2=$(date +%s)
	days=$(((t2 - t1) / 86400))
	echo "$days days since last upgrade"

	# print any news from the archlinux news page
	paru -Pw
}

function update_mirror_list() {
	# save and update mirror list, firmware and this repo and nvim plugs if it's been a month
	if [[ $(find /etc/pacman.d/mirrorlist -mtime +30 -print) ]]; then
		echo -e "Updating: mirrorlist"
		sudo cp /etc/pacman.d/mirrorlist /etc/pacman.d/mirrorlist.backup
		sudo reflector --country 'United States' --country 'Canada' --latest 200 \
			--age 24 --sort rate --save /etc/pacman.d/mirrorlist
	fi
}

function update_package_lists() {
	# update package list
	echo -e "Updating: package list"
	dir=$CUSTOM_CONFIG_HOME/package_info/
	host=$(hostnamectl | grep "Static hostname" | cut -d ':' -f 2 | tr -d ' ')
	declare -a package_lists=("qne" "qme" "qnett" "qmett" "qtd" "qtdq")
	for pacman_arg in "${package_lists[@]}"; do
		pacman -Q${pacman_arg} >"${dir}"${pacman_arg}"_"${host}".txt"
	done
}

function pre() {
	check_plugged_in
	update_mirror_list
	info
}

function update_pacman() {
	# update packages from prebuilt repos
	echo -e "\nUpdating: Pacman\n"
	sudo pacman -Syu
}

function update_paru() {
	# update repo and AUR packages with full refresh
	echo -e "\n"
	echo -e "Updating: Arch Linux databases and packages"
	echo -e "\n"
	paru --gendb
	paru -Syyu --sudoloop
}

function update_others() {
	echo -e "\nUpdating: Liam's bashscripts\n"
	git -C ~/bin/bashscripts pull

	echo -e "\nUpdating: Rust\n"
	rustup update

	echo -e "\nUpdating: Firmware\n"
	fwupdmgr refresh
	fwupdmgr get-updates

	echo -e "\nUpdating: Neovim Plugins\n"
	nvim --headless +PlugUpdate +PlugUpgrade +qa
	nvim --headless +CocUpdate +qa
	nvim --headless +TSUpdate +qa

	echo -e "\nUpdating: Tmux Plugins\n"
	~/.tmux/plugins/tpm/bin/update_plugins all

	echo -e "\nUpdating: Boot Loader\n"
	sudo bootctl update

	echo -e "\nUpdating: Anaconda\n"
	conda update --all

	# echo -e "\nUpdating: NPM\n"
	# npm update -g
}

function clean_cache() {
	echo -e "\nCleaning: Pacman Cache\n"
	paccache -r -k 3

	# echo -e "\nCleaning: AUR Cache\n"
	# cd ~/.cache/paru/clone
	# trash $(fd -I -e pkg.tar.zst --changed-before 14d)
	# trash $(fd -I -e tar.gz --changed-before 14d)
	# trash $(fd -I -e tar.xz --changed-before 14d)
	# trash $(fd -I -e tar.bz2 --changed-before 14d)
	# cd -

	echo -e "\nCleaning: Unused Plugins\n"
	~/.tmux/plugins/tpm/bin/clean_plugins
	nvim --headless +PlugClean +qa
}

function diffs() {
	sudo DIFFPROG="nvim -d $1" pacdiff
}

function post() {
	update_package_lists
	clean_cache
	diffs
}

function full_update() {
	pre
	update_paru
	update_others
	post
}

function basic_update() {
	pre
	paru -Syu --sudoloop
}

while getopts ":hfbop" opt; do
	case $opt in

	h | help)
		usage
		exit 0
		;;

	f | full)
		# Update and clean all supported system components
		full_update
		exit 0
		;;

	b | basic)
		# perform preupdate functions then update only system level packages
		basic_update
		exit 0
		;;

	o | other)
		# update nonssytem packages (those not included in basic update)
		update_others
		exit 0
		;;

	p | post)
		# perform cleaning functions, included in full update but not basic
		post
		exit 0
		;;

	*)
		echo -e "\n  Option does not exist : $OPTARG\n"
		usage
		exit 1
		;;

	esac # --- end of case ---
done
shift $(($OPTIND - 1))