#!/bin/sh
#
# handle configuration file backup list

backuplist="/etc/backup-config.list"
tmp=/tmp/backup-config

action="$1"
file="${2--}"
status=0
installed="$(apm list)"
active="$(apm list-active)"

case "$action" in
	l | list)
		sort -u $backuplist 2>/dev/null || status=1
		;;
	e | export)
		rm -rf $tmp
		sort -u $backuplist | while read file; do
			if [ -e $file ]; then
				mkdir -p $tmp${file%/*}
				ln -s $file $tmp$file || status=2
			fi
		done
		mkdir $tmp/tmp
		apm list-active > $tmp/tmp/list_active_addons.conf
		tar -czhf $file -C $tmp . || status=1
		rm -rf $tmp
		;;
	a | analyse)
		if [ -f /tmp/$2 ]; then
		rm $3
		for addon in $(cat /tmp/$2); do
			if ! echo "$active" | grep -q "^$addon$"; then
				echo $addon >> $3
			elif ! echo "$installed" | grep -q "^$addon$"; then
				echo $addon >> $3
			fi
		done
		if [ ! -f $3 ]; then
			echo "#### keine weiteren Addons im Backup vorhanden ####" >> $3
		fi
		else
			echo "#### Es wurde kein Backupfile für Addons gefunden ! ####" > $3
		fi || status=1
		;;
	i | import)
		tar -xzf $file -C / || status=1
		;;
	u | update)         #Addons updaten
		for addon in $(cat $2); do apm install $addon --activate; done
		rmcp $2  || status=1
		;;
	A | Addonimport)
		tar -xzf $file -C /tmp || status=1
		;;
	a | add)
		echo "$file" >> $backuplist || status=1
		;;
	d | del)
		sed "/^$(echo "$file" | sed "s/\//\\\\\//g")$/d" -i $backuplist || status=1
		;;
	*)
		echo "Usage: ${0##*/} {list | export | import | update | Addonimport | analyse | add | del} [FILE_NAME]"
		;;
esac

exit $status