#!/bin/sh
set -e

update-alternatives --install /bin/rc rc /usr/bin/rc.byron 30 \
  --slave /usr/share/man/man1/rc.1.gz rc.1 /usr/share/man/man1/rc.byron.1.gz

add-shell /usr/bin/rc.byron

if [ "$1" = "configure" ] && dpkg --compare-versions "$2" lt-nl "1.7.4+97.gceb59bb-4~"
then
	remove-shell /usr/bin/rc
fi