configure-system.sh

#-------------------------------------------------
# Main script. Calls all the subscripts to initialize the system
# $@: target hardware
#-------------------------------------------------

target_hardwares=$@

COMPONENTS_PATH="./components"
LOG_FILE="./alis.log"
USERNAME=$(whoami)
DOTFILES_SOURCE="dotfiles"
USER_HOME="/home/${USERNAME}"
ROOT_HOME="/root"
SYSTEMD_UNITS_DIRECTORY="/etc/systemd/system"
FINALIZE_STARTUP_ENTRIES_TEMP_FILE="/tmp/finalize-startup-entries.sh"

## Execute a component script
# $1: The name of the component (without the ending ".sh")
function install_component() {
	echo "========================================" 2>&1 | tee -a ${LOG_FILE}
	echo "Starting installation of component $1" 2>&1 | tee -a ${LOG_FILE}
	echo "========================================" 2>&1 | tee -a ${LOG_FILE}
	# Case components/core/core.sh
	if [ -f "${COMPONENTS_PATH}/$1/$1.sh" ]; then
		source "${COMPONENTS_PATH}/$1/$1.sh" 2>&1 | tee -a ${LOG_FILE}
	# Case components/core.sh
	elif [ -f "${COMPONENTS_PATH}/$1.sh" ]; then
		source "${COMPONENTS_PATH}/$1.sh" 2>&1 | tee -a ${LOG_FILE}
	else
		echo "Error: Component $1 not found"
	fi
	echo "" 2>&1 | tee -a ${LOG_FILE}
	echo "========================================" 2>&1 | tee -a ${LOG_FILE}
	echo "Finished installing component $1" 2>&1 | tee -a ${LOG_FILE}
	echo "========================================" 2>&1 | tee -a ${LOG_FILE}
	echo "" 2>&1 | tee -a ${LOG_FILE}
}

## Get partial path of a hardware-specific script from its hardware name
# $1: Name of the hardware
function get_target_hardware_partial_path() {
	echo "hardware-specific/$1/$1"
}

## Check if all specified target hardwares have a configuration script and exit the script if at least one does not exist
function check_target_hardwares_exist() {
	for target_hardware in ${target_hardwares}; do
		if [ ! -f "${COMPONENTS_PATH}/$(get_target_hardware_partial_path ${target_hardware}).sh" ]; then
			echo "Specified hardware \"${target_hardware}\" is not handled. Please use only the hardwares in ${COMPONENTS_PATH}/hardware-specific"
			exit -1
		fi
	done
}

## Execute all hardware specific scripts
function install_hardware_specific_components() {
	for target_hardware in ${target_hardwares}; do
		install_component $(get_target_hardware_partial_path ${target_hardware})
	done
}

## Append all component-specific finalize_startup entries into a final script that will be linked and called from
# .Xinitrc to initialize user session
function deploy_finalize_startup_script() {
	finalize_startup_file="/tmp/finalize-startup.sh"
	echo "#!/bin/bash" >${finalize_startup_file}
	if [ -f "${FINALIZE_STARTUP_ENTRIES_TEMP_FILE}" ]; then
		echo -e "\n" >>${finalize_startup_file}
		cat ${FINALIZE_STARTUP_ENTRIES_TEMP_FILE} >>${finalize_startup_file}
	fi
	sudo mv ${finalize_startup_file} /usr/local/bin/finalize-startup
	sudo chmod +x /usr/local/bin/finalize-startup
}

function main() {
	check_target_hardwares_exist

	# Prevent sudo timeout
	sudo -v
	while true; do
		sudo -nv
		sleep 1m
		kill -0 $$ 2>/dev/null || exit # Exit when the parent process is not running any more
	done &

	# Full system upgrade
	sudo pacman --noconfirm -Syy # Refresh of package database
	sudo pacman --noconfirm -Syu # Update all installed packages

	# Empty file collecting finalize-startup entries in case alis is executed multiple times (ensure no duplicates from previous runs)
	echo -n "" >${FINALIZE_STARTUP_ENTRIES_TEMP_FILE}

	source ./common-functions.sh

	install_component package-manager
	install_component system
	install_component networking
	install_component vpn-client
	install_component dev
	install_component cli-tools
	install_component display
	install_component window-manager
	install_component hardware-drivers
	install_component gui-apps
	install_component virtualisation
	install_component appearance
	install_component audio
	install_component file-manager
	install_component terminal-and-shell
	install_component gdrive-sync
	install_component music-production
	install_component gaming

	install_hardware_specific_components

	deploy_finalize_startup_script

	sync
	sudo reboot
}

main