#!/bin/sh

set -e

# for crontab support
export XAUTHORITY=/home/melvin/.Xauthority
export DISPLAY=:0
export XDG_RUNTIME_DIR=/run/user/1000
export DBUS_SESSION_BUS_ADDRESS=unix:path=/run/user/1000/bus

# link to rss feed (Startseite > Service > Persönliche Einstellungen > Kommunikationskanäle anpassen > Feed > abonnieren)
url="..."

wget -q "$url" -O /tmp/webchange_new

# xq needs python-yq
xq '.["rdf:RDF"].item.[].title' </tmp/webchange_new | sponge /tmp/webchange_new_diff
xq '.["rdf:RDF"].item.[].title' </tmp/webchange_current | sponge /tmp/webchange_current_diff

if ! cmp -s /tmp/webchange_new_diff /tmp/webchange_current_diff >/dev/null; then
	notify-send -t 0 -u critical "ALMA changed!" "$(date)"
fi

mv /tmp/webchange_new /tmp/webchange_current