source: debian/sipbmp3.postinst @ 10c2c36

#!/bin/sh
# postinst script for sipbmp3
#
# see: dh_installdeb(1)

set -e

# summary of how this script can be called:
#        * <postinst> `configure' <most-recently-configured-version>
#        * <old-postinst> `abort-upgrade' <new version>
#        * <conflictor's-postinst> `abort-remove' `in-favour' <package>
#          <new-version>
#        * <postinst> `abort-remove'
#        * <deconfigured's-postinst> `abort-deconfigure' `in-favour'
#          <failed-install-package> <version> `removing'
#          <conflicting-package> <version>
# for details, see http://www.debian.org/doc/debian-policy/ or
# the debian-policy package


case "$1" in
    configure)
        # make sure init symlinks for debathena-lprng exist, so that lpd starts
        # up with the computer
        if [ -x /etc/init.d/debathena-lprng ]; then
            symlinkexists=$(ls /etc/rc*.d/*debathena-lprng)
            if [ ! -n "$symlinkexists" ]; then
                echo "Creating init symlinks for debathena-lprng..."
                ln -s ../etc/init.d/debathena-lprng /etc/rc2.d/S60debathena-lprng
                ln -s ../etc/init.d/debathena-lprng /etc/rc3.d/S60debathena-lprng
                ln -s ../etc/init.d/debathena-lprng /etc/rc4.d/S60debathena-lprng
                ln -s ../etc/init.d/debathena-lprng /etc/rc5.d/S60debathena-lprng
                ln -s ../etc/init.d/debathena-lprng /etc/rc0.d/K40debathena-lprng
                ln -s ../etc/init.d/debathena-lprng /etc/rc1.d/K40debathena-lprng
                ln -s ../etc/init.d/debathena-lprng /etc/rc6.d/K40debathena-lprng
            fi
        else
            echo "debathena-lprng init script does not exist!"
            exit 1
        fi

        if [ ! -e /etc/printcap ]; then
            echo "/etc/printcap does not exist, creating it..."
            touch /etc/printcap
        fi

        if [ ! -e /etc/lprng/printcap ]; then
            echo "/etc/lprng/printcap does not exist, creating it..."
            ln -s /etc/printcap /etc/lprng/printcap
        fi

        # add the appropriate entry into /etc/printcap, /etc/lprng/printcap
        echo "sipbmp3" >> /etc/printcap
        echo "  :server" >> /etc/printcap
        echo "  :cm=sipbmp3 music spooler" >> /etc/printcap
        echo "  :lp=/dev/null" >> /etc/printcap
        echo "  :if=|/root/sipbmp3-filter" >> /etc/printcap
        echo "  :sd=/var/spool/lpd/sipbmp3" >> /etc/printcap
        echo "  :ml=0:mx=0:sh:sf" >> /etc/printcap
        echo "  :create_files" >> /etc/printcap

        # add the printcap path to lpd.conf
        if [ -e /etc/lprng/lpd.conf ]; then
            mv /etc/lprng/lpd.conf /etc/lprng/lpd.conf.bak
            touch /etc/lprng/lpd.conf   

            while read line; do
                printcap=$(echo line | grep ^printcap_path=*)
                if [ -n "$printcap" ]; then
                    echo "#$line" >> /etc/lprng/lpd.conf
                    echo "$line" | sed s/printcap_path=\/printcap_path=\/etc\/lprng\/printcap:|/ >> /etc/lprng/lpd.conf
                else
                    echo "$line" >> /etc/lprng/lpd.conf
                fi
            done < /etc/lprng/lpd.conf.bak
            rm /etc/lprng/lpd.conf.bak
        else
            touch /etc/lprng/lpd.conf
            echo "printcap_path=/etc/lprng/printcap" >> /etc/lprng/lpd.conf
        fi

        # add lpd_listen_port to lpd.conf
        lpd_listen_port=$(cat /etc/lprng/lpd.conf | grep ^lpd_listen_port=515)
        if [ ! -n "$lpd_listen_port" ]; then
            echo "lpd_listen_port=515" >> /etc/lprng/lpd.conf
        fi

        # make sure directories exist for checkpc
        if [ ! -d /var/spool/lpd ]; then
            mkdir /var/spool/lpd
            mkdir /var/spool/lpd/%P
        else
            if [ ! -d /var/spool/lpd/%P ]; then
                mkdir /var/spool/lpd/%P
            fi
        fi
        checkpc -V -f

        # make lpd less paranoid about accepting connections
        # (comment out REJECT NOT SERVER)
        # allow other users to dequeue music
        # (comment out REJECT SERVICE=M
        if [ -e /etc/lprng/lpd.perms ]; then
            mv /etc/lprng/lpd.perms /etc/lprng/lpd.perms.bak
            touch /etc/lprng/lpd.perms  

            while read line; do
                reject_not_server=$(echo line | grep ^REJECT\ NOT\ SERVER)
                if [ -n "$reject_not_server" ]; then
                    echo "#$line" >> /etc/lprng/lpd.conf
                else
                    reject_service=$(echo line | grep ^REJECT\ SERVICE=M)
                    if [ -n "$reject_service" ]; then
                        echo "#line" >> /etc/lprng/lpd.conf
                    else
                        echo "$line" >> /etc/lprng/lpd.conf
                    fi
                fi
            done < /etc/lprng/lpd.perms.bak
            rm /etc/lprng/lpd.perms.bak
    ;;

    abort-upgrade|abort-remove|abort-deconfigure)
    ;;

    *)
        echo "postinst called with unknown argument \`$1'" >&2
        exit 1
    ;;
esac

# dh_installdeb will replace this with shell code automatically
# generated by other debhelper scripts.

#DEBHELPER#

exit 0