nextcloud-update-check

#!/bin/env ash
# shellcheck shell=dash
#
# Nextcloud core and apps update checks
#
# Doesn't output anything, if everything is up to date.
# Usefull when executed by cron-jobs, to only receive a mail, if updates are
# available.
# See https://docs.nextcloud.com/server/latest/admin_manual/configuration_server/occ_command.html
#

# Abort on any error on unset variable
set -e -u

# Check for Nextcloud core and apps updates
_occ_result=$( /usr/local/sbin/occ --no-ansi update:check )

if [ "$_occ_result" != "Everything up to date" ]; then
    echo "$_occ_result"
fi