#!/bin/sh
# Harmattan "Show Today's Date in Calendar App icon" Hack
# by Thomas Perl <thp.io/about>

# Usage: nohup sh calenderr.sh >/dev/null &
# Thanks to coderus for a logic fix introduced after refactoring

CALENDAR_DESKTOP=/usr/share/applications/calendar.desktop

while : ; do
    SUBSTITUTE=s@^Icon=.*@Icon=icon-l-calendar-`date +%d`@
    echo rootme | devel-su -c "sed -i -e $SUBSTITUTE $CALENDAR_DESKTOP"
    SECONDS_TILL_MIDNIGHT=$((60*60*24 - `date +%-H`*60*60 - `date +%-M`*60 - `date +%-S`))
    sleep $SECONDS_TILL_MIDNIGHT
done