scripts/waybar/waybar-fedora-silverblue.sh

#!/bin/bash

COUNT=0
function count() {
	RESULTS="`rpm-ostree upgrade --check 2> /dev/null | grep Diff: | sed 's/.*\([0-9][0-9]*\).*/\1/'`"
	COUNT=0
	for i in $RESULTS; do
		i=`echo $i | sed 's/;//'`
		let COUNT=$COUNT+$i
	done
}

if [ "$1" == 'bar' ]; then
	if [ ! -e ${HOME}/.spool/ostree-upgradeable ]; then
		count
		echo $COUNT > /home/jpm/.spool/ostree-upgradeable
	else
		COUNT=`cat ${HOME}/.spool/ostree-upgradeable`
	fi
	if [ $COUNT -eq 0 ]; then
		echo '{"text": "🗹", "tooltip": "Up-to-date", "class": "up-to-date"}'
	else
		echo '{"text": "⭳'$COUNT'", "tooltip": "'$COUNT' updates available (click to download)", "class": "updateable"}'
	fi
elif [ "$SUDO_USER" != '' ]; then
	echo "Don't run with sudo. Run normally, but with a sudoer user"
elif [ $UID -eq 0 ]; then
	echo "Don't run as root. Run normally, but with a sudoer user"
elif [ "$1" == 'upgrade' ]; then
	/usr/bin/uxterm -e "rpm-ostree upgrade"
	count
	echo $COUNT > /home/jpm/.spool/ostree-upgradeable
elif [ "$1" == 'update' ]; then
	count
	echo $COUNT > /home/jpm/.spool/ostree-upgradeable
else
	echo "Missing argument: update, upgrade, bar"
fi