#!/bin/sh

VERSION="v2023040800"	# initial erstellt
VERSION="v2023040900"	# Fehĺerbehoben und übersichtlicher gestaltet

################################################################################

OLD_DIR="$(pwd)"

BACKUP_DIR="/home/Backup/dokuwiki"

HTTP_DIR="/var/www"
WIKI_INSTANCES="wiki privat kinderwiki"

if [ x == "x${1}" ] || [ ! -d "${1}" ]
then
	echo "USAGE: ${0} /path/to/new/dokuwiki"
	exit 1
fi

DOKUWIKI_DIR="$(cd ${1}; pwd)"

test -d "${BACKUP_DIR}" || (echo "Not found: ${BACKUP_DIR}"; exit 1)

for WIKI in ${WIKI_INSTANCES}
do
	WIKI_DIR="${HTTP_DIR}/${WIKI}"
	cd "${WIKI_DIR}" || (echo "Not found: ${WIKI_DIR}"; exit 1)

	if [ -d "${BACKUP_DIR}/${WIKI}-data" ]
	then
		DATE="$(date +'%F_%H-%M-%S')"
		ARCHIVE="${BACKUP_DIR}/${WIKI}-data.${DATE}"
		mv "${BACKUP_DIR}/${WIKI}-data" "${ARCHIVE}"
		echo "Found existing data backup, moved to ${ARCHIVE}"
	fi

	mv "${WIKI_DIR}/data" "${BACKUP_DIR}/${WIKI}-data"
	tar -czf "${BACKUP_DIR}/${WIKI}-conf.tar.gz" \
		$(ls \
		conf/local.php \
		conf/userstyle.css \
		conf/userscript.js \
		conf/*.auth.php \
		conf/*.local.conf \
		conf/*.local.json \
		conf/*.local.php \
		conf/*.protected.php \
		2> /dev/null)
	rm -fr "${WIKI_DIR}"
	cp -a "${DOKUWIKI_DIR}" "${WIKI_DIR}"

	rm -fr "${WIKI_DIR}/data"
	mv "${BACKUP_DIR}/${WIKI}-data" "${WIKI_DIR}/data"
	tar -xzf "${BACKUP_DIR}/${WIKI}-conf.tar.gz" -C "${WIKI_DIR}"/

	########################################################
	### Rechte vom neuen Verzeichnis setzen

	/usr/local/sbin/dokuwiki-reparieren.sh "${WIKI_DIR}"/

	########################################################
done

cd "${OLD_DIR}" || (echo "Not found: ${OLD_DIR}"; exit 1)