Owncloud update script on netcup server

update_owncloud_netcup.sh

#!/usr/bin/env bash

# See https://doc.owncloud.org/server/10.5/admin_manual/installation/manual_installation.html#install-owncloud

# Required settings
php="/usr/local/php72/bin/php"
owncloud_dir="/owncloud"
shell_data_dir="/owncloud_data"

# Options: stable, daily, beta, production
channel="stable"
edition="Community"
owncloud_config="${owncloud_dir}/config/config.php"

version=$($php -r "include('${owncloud_config}'); echo \$CONFIG['version'];")
echo "[DEBUG] Current version: $version"

response="$(curl https://updates.owncloud.com/server/?version="${version//./x}"xinstalledatxlastupdatedatx${channel}x${edition}x 2>/dev/null)"
url=$(sed -n -e 's/.*<url>\(.*\)<\/url>.*/\1/p' <<< "$response")

[[ -z "${url}" ]] && {
    echo "[INFO] No update available.";
    exit 0;
}

newVersion=$(sed -n -e 's/.*<version>\(.*\)<\/version>.*/\1/p' <<< "$response")

echo "[DEBUG] New version available: $newVersion";
echo "[DEBUG] Downloading: $url";
wget -q ${url}

# Save datadirectory
datadirectory=$(${php} -r "include('${owncloud_config}'); echo \$CONFIG['datadirectory'];")
echo "[DEBUG] Data directory: ${datadirectory}"

echo "[DEBUG] Replace datadirectory with ${shell_data_dir}"
sed -i "s#'datadirectory' => .*#'datadirectory' => '$shell_data_dir',#" ${owncloud_config}

echo "[DEBUG] Turn on maintenance mode..."
cd ${owncloud_dir}
${php} occ maintenance:mode --on
cd ..

# Backup database
dbuser=$(${php} -r "include('${owncloud_config}'); echo \$CONFIG['dbuser'];")
dbpassword=$(${php} -r "include('${owncloud_config}'); echo \$CONFIG['dbpassword'];")
dbhost=$(${php} -r "include('${owncloud_config}'); echo \$CONFIG['dbhost'];")
dbname=$(${php} -r "include('${owncloud_config}'); echo \$CONFIG['dbname'];")

# Thanks to https://unix.stackexchange.com/a/417188
default_port=3306
case ${dbhost} in
  (*:*) host=${dbhost%:*} port=${dbhost##*:};;
  (*)   host=${dbhost} port=${default_port};;
esac

echo "[DEBUG] Creating mysql backup..."
mysqldump -u "$dbuser" -p"$dbpassword" -h "$host" -P "$port" "$dbname" > owncloud_"$(date +"%Y%m%d%H%M%S")".sql

# Cleanup before upgrade
cd ${owncloud_dir}
rm -rf core
rm -rf lib
rm -rf updater
cd ..

# Run the upgrade
unzip -o -q owncloud-*.zip
echo "[DEBUG] Run the upgrade..."
cd ${owncloud_dir}
${php} occ upgrade

echo "[DEBUG] Turn off maintenance mode..."
${php} occ maintenance:mode --off

# Restore old datadirectory
echo "[DEBUG] Restore datadirectory with ${datadirectory}"
sed -i "s#'datadirectory' => .*#'datadirectory' => '$datadirectory',#" ${owncloud_config}

version=$($php -r "include('${owncloud_config}'); echo \$CONFIG['version'];")
echo "[DEBUG] Successfully updated to version: $version"

# Cleanup
cd ..
rm owncloud-*.zip

exit 0