#!/bin/bash
# postinst script for splix
#
# 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 "$1" in
    configure)
        # Do the following only if CUPS is running and the needed CUPS tools
        # are available
        if which lpstat > /dev/null 2>&1 && \
            which lpinfo > /dev/null 2>&1 && \
            which lpadmin > /dev/null 2>&1 && \
            lpstat -r > /dev/null 2>&1; then
            # Update the PPD files of all already installed print queues
            driverregexp='lsb/usr/splix/'
            gennicknameregexp='s/,(\s*SpliX|)(\s*V\.?|)\s*[\d\.]*$//i'
            [ ! -z "$gennicknameregexp" ] && \
                gennicknameregexp="; $gennicknameregexp"
            gennicknameregexp='s/\s*\(recommended\)//'"$gennicknameregexp"
            tempfiles=
            trap 'rm -f $tempfiles; exit 0' 0 1 2 13 15
            tmpfile1=`mktemp -t updateppds.XXXXXX`
            tempfiles="$tempfiles $tmpfile1"
            lpinfo -m | grep -E $driverregexp > $tmpfile1
            cd /etc/cups/ppd
            for ppd in *.ppd; do
                [ -r "$ppd" ] || continue
	        queue=${ppd%.ppd}
                lpstat -p "$queue" >/dev/null 2>&1 || continue
                nickname=`grep '\*NickName:' "$ppd" | cut -d '"' -f 2 | perl -p -e 's/\n$//' | perl -p -e "$gennicknameregexp" | perl -p -e 's/(\W)/\\\\$1/g'`
                lang=`grep '\*LanguageVersion:' "$ppd" | cut -d ' ' -f 2 | perl -e 'print lc(<>)' | perl -p -e 's/[\r\n]//gs'`
                ppdfound="0"
                englishppduri=""
                tmpfile2=`mktemp -t updateppds.XXXXXX`
                tempfiles="$tempfiles $tmpfile2"
                cat $tmpfile1 | perl -p -e "$gennicknameregexp" | grep -E '^\S+\s+.*'"$nickname"'$' | cut -d ' ' -f 1 > $tmpfile2
                while read newppduri; do
                    [ "$ppdfound" = "0" ] && lpadmin -p "$queue" -m $newppduri 2>/dev/null || continue
                    newlang=`grep '\*LanguageVersion:' "$ppd" | cut -d ' ' -f 2 | perl -e 'print lc(<>)' | perl -p -e 's/[\r\n]//gs'`
                    [ "$newlang" = "$lang" ] && ppdfound="1"
                    [ "$newlang" = "english" ] && englishppduri="$newppduri"
                done < $tmpfile2
                [ "$ppdfound" = "0" ] && [ ! -z "$englishppduri" ] && lpadmin -p "$queue" -m $englishppduri 2>/dev/null && ppdfound="1"
                [ "$ppdfound" = "1" ] && echo PPD for printer $queue updated >&2
            done
        fi
    ;;

    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