#!/bin/sh

# This script do the following :
#	Use wp-cli (https://make.wordpress.org/cli/handbook/installing/)
#	Verify if an update is available for WordPress plugins.
#		Create a file you need to monitore.

WP_ROOT="/var/www/wordpress"
WP_CLI_PATH="/usr/local/bin/wp"
WP_UPDATE_LOG="${WP_ROOT}/.update"

if [ ! -d "${WP_ROOT}" ]; then
	printf '%b' "${WP_ROOT} does not seem to be a WordPress install.\n"
	exit 1
fi

if [ ! -d "${WP_CLI_PATH}" ]; then
	printf '%b' "${WP_CLI_PATH} does not seem to be available.\n"
	exit 1
fi

WP_UPDATE=$(sudo -u www-data -- "${WP_CLI_PATH}" --path="${WP_ROOT}" plugin list|grep available)

# Verify if the variable contains something
if [ -z "${WP_UPDATE}" ]; then
	#rm -f "${WP_UPDATE_LOG}"
	printf '%b' "Nothing to do\n"
else
	#touch "${WP_UPDATE_LOG}"
	printf '%b' "Please upgrade\n"
fi

exit 0