update-nspawn-images

#!/bin/bash

function help() {
	echo "usage: $0 CONTAINER_NAME CONTAINER_NAME ..."
	exit 1
}

function stop_container_if_running() {
	CONTAINER=$1
	machinectl status "$CONTAINER" 1> /dev/null 2> /dev/null
	CONTAINER_RUNNING=$?
	if [ $CONTAINER_RUNNING -eq 0 ]; then
		while true; do
			machinectl stop "$CONTAINER"
			CONTAINER_STOPPED=$?
			if [ $CONTAINER_STOPPED -eq 0 ]; then
				break
			fi
		done
	fi
}

function remove_container_if_exists() {
	CONTAINER=$1
	machinectl image-status "$CONTAINER" 1> /dev/null 2> /dev/null
	CONTAINER_EXISTS=$?
	if [ $CONTAINER_EXISTS -eq 0 ]; then
		machinectl remove "$CONTAINER"
	fi
}

function install_container() {
	CONTAINER=$1
	make
	stop_container_if_running "$CONTAINER"
	remove_container_if_exists "$CONTAINER"
	make install
	make clean
}

if [ $# -eq 0 ]; then
	help
else
	NSPAWN_FILES_DIR=$(cd "$(dirname "$0")" || exit 1; pwd)
	CONTAINERS=( "$@" )
fi

for CONTAINER in "${CONTAINERS[@]}"; do
	echo "Build and install $CONTAINER"
	cd "$NSPAWN_FILES_DIR/$CONTAINER" || exit 1
	install_container "$CONTAINER"
done