@unexec if cmp -s %D/etc/tayga.conf.example %D/etc/tayga.conf; then rm -f %D/etc/tayga.conf; fi
etc/tayga.conf.example
@exec if [ ! -f %D/etc/tayga.conf ] ; then cp -p %B/tayga.conf.example %D/etc/tayga.conf; fi
sbin/tayga