#!/usr/bin/env bash

# Can set the below three as environment variables or uncomment to set actual paths
# NEXTCLOUD_PATH=<NEXTCLOUD_INSTALLATION_PATH>
# DROPBOX_NEXTCLOUD_PATH=<PATH_TO_NEXTCLOUD_BACKUP_FOLDER_IN_DROPBOX>
# MYSQL_CREDENTIALS_FILE=<MYSQL_CREDENTIALS_FILE_CONF_FORMAT>

PHP_PATH=`which php`
MYSQLDUMP_PATH=`which mysqldump`
# Enable Maintenance mode
$PHP_PATH $NEXTCLOUD_PATH/occ maintenance:mode --on

# Backup data, config and themes from nextcloud directory.
# Can sync the entire nextcloud directory if needed
rsync -Aavx $NEXTCLOUD_PATH/data $DROPBOX_NEXTCLOUD_PATH
rsync -Aavx $NEXTCLOUD_PATH/config $DROPBOX_NEXTCLOUD_PATH
rsync -Aavx $NEXTCLOUD_PATH/themes $DROPBOX_NEXTCLOUD_PATH

# Backup MySQL
$MYSQLDUMP_PATH --defaults-extra-file=$MYSQL_CREDENTIALS_FILE --single-transaction --databases nextcloud > $DROPBOX_NEXTCLOUD_PATH/database/nc-db-bkp_`date +"%Y-%m-%d-%H-%M"`.bak

# Update permissions of the backup path to 777 (Because the user running nextcloud is different.)
chmod -R 777 $DROPBOX_NEXTCLOUD_PATH/data
chmod -R 777 $DROPBOX_NEXTCLOUD_PATH/config
chmod -R 777 $DROPBOX_NEXTCLOUD_PATH/themes
chmod -R 777 $DROPBOX_NEXTCLOUD_PATH/database

# Disable Maintenance mode
$PHP_PATH $NEXTCLOUD_PATH/occ maintenance:mode --off