#!/bin/sh
set -e
case "$1" in
    upgrade)
        if dpkg --compare-versions "$2" le "551-1"; then
            update-alternatives --quiet --install /usr/bin/pager pager \
              /usr/bin/less 77 --slave /usr/share/man/man1/pager.1.gz \
              pager.1.gz /usr/share/man/man1/less.1.gz
            update-alternatives --quiet --remove pager /bin/less            
        fi
        ;;
esac
exit 0