/var/lib/trac/*/log/trac.log {
        rotate 5
        weekly
        compress
        notifempty
        missingok
        sharedscripts
        postrotate
           if [ -f /var/run/lighttpd.pid ]; then \
               /etc/init.d/lighttpd reload > /dev/null 2>&1 || true ; \
           fi;
        endscript
        
}