preinst is in irda-utils 0.9.18-14ubuntu1.
This file is a maintainer script. It is executed when installing (*inst) or removing (*rm) the package.
The actual contents of the file can be viewed below.
| 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 | #!/bin/bash
# Debconf configuration script for irda-utils
# Copyright © 2004 Sebastian Henschel <shensche@kodeaffe.de>
# This file is hereby placed into the public domain.
PACKAGE="irda-utils"
CONFIG="/etc/default/$PACKAGE"
CONFIG_OLD="/etc/irda.conf"
MODULES_24_OLD="/etc/modutils/irda"
MODULES_26_OLD="/etc/modprobe.d/irda"
MODULES_26_NEWER="/etc/modprobe.d/$PACKAGE"
MODULES_26="${MODULES_26_NEWER}.conf"
MODULES_24="/etc/modutils/$PACKAGE"
INIT_OLD="/etc/init.d/irda"
PREV="$2"
set -e
. /usr/share/debconf/confmodule || exit 0
if dpkg --compare-versions "$2" lt-nl 0.9.18-8.1ubuntu2
then
	if [ -e $MODULES_26_NEWER ]
	then
		mv $MODULES_26_NEWER $MODULES_26
	fi
	if [ -e $MODULES_24 ]
	then
		rm $MODULES_24
	fi
fi
# save data from $CONFIG_OLD to debconf
if [ -f "$CONFIG_OLD" ]; then # package version < 0.9.16-5
    ENABLE="true"
    egrep '^ENABLE=no' $CONFIG_OLD > /dev/null && ENABLE="false"
    db_set $PACKAGE/enable $ENABLE
    eval `egrep '^IRDADEV' $CONFIG_OLD`
    case "$IRDADEV" in
        /dev/ttyS*)
            db_set $PACKAGE/selectdevice serial
            db_set $PACKAGE/ttydev $IRDADEV
        ;;
        irda0)
            db_set $PACKAGE/selectdevice native
            if [ -f "$MODULES_26_OLD" ]; then
                modules="$MODULES_26_OLD";
            elif [ -f "$MODULES_24_OLD" ]; then
                modules="$MODULES_24_OLD";
            fi
            if [ -f "$modules" ]; then
                if egrep "^alias irda0" $modules > /dev/null 2>&1 ; then
                   set `egrep "^alias irda0" $modules`
                   db_set $PACKAGE/firdev "$3"
                   if dpkg --compare-versions "$PREV" gt 0.9.14-17; then
                      set `egrep "^options $3" $modules`;
                      shift; shift
                   else
                       shift; shift; shift;
                   fi
                   db_set $PACKAGE/firopt "$*"
		fi
            fi
        ;;
    esac
    eval `egrep '^DONGLE' $CONFIG_OLD`
    if [ -z "$DONGLE" ]; then
        DONGLE="none"
    fi
    db_set $PACKAGE/dongle $DONGLE
    eval `egrep '^DISCOVERY' $CONFIG_OLD`
    if [ -z "$DISCOVERY" ]; then
        DISCOVERY="false"
    else
        DISCOVERY="true"
    fi
    db_set $PACKAGE/discovery $DISCOVERY
    db_go || true
    # remove old debconf entries
    db_unregister $PACKAGE/dongle24 || true
    db_unregister $PACKAGE/dongle26 || true
    db_unregister $PACKAGE/firdev24 || true
    db_unregister $PACKAGE/firdev26 || true
    db_unregister $PACKAGE/kver || true
    db_unregister $PACKAGE/regen || true
    db_go || true
    # remove old files
    if [ -e "$CONFIG_OLD" ]; then rm $CONFIG_OLD; fi
    if [ -e "$MODULES_24_OLD" ]; then rm $MODULES_24_OLD; fi
    if [ -e "$MODULES_26_OLD" ]; then rm $MODULES_26_OLD; fi
    if [ -e "$INIT_OLD" ]; then rm $INIT_OLD; fi
fi
# load data from configuration files into debconf
if [ -f "$CONFIG" ]; then
    . $CONFIG || true
    # store values from current config
    db_set $PACKAGE/enable $ENABLE
    db_set $PACKAGE/automatic $AUTOMATIC
    case "$DEVICE" in
        /dev/ttyS*)
            db_set $PACKAGE/selectdevice serial
            db_set $PACKAGE/ttydev $DEVICE
        ;;
        irda0)
            db_set $PACKAGE/selectdevice native
            kversion=`uname --kernel-release | cut --characters=1-3`
            if [ "$kversion" = "2.4" ]; then
                modules="/etc/modutils/$PACKAGE";
            else
                modules="/etc/modprobe.d/$PACKAGE";
            fi
            if [ -f "$modules" ]; then
                set `egrep "^alias irda0" $modules`
                db_set $PACKAGE/firdev "$3"
                set `egrep "^options $3" $modules`; shift; shift
                db_set $PACKAGE/firopt "$*"
            fi
        ;;
    esac
    db_set $PACKAGE/dongle $DONGLE
    db_set $PACKAGE/discovery $DISCOVERY
    db_set $PACKAGE/setserial $SETSERIAL
    db_go || true
fi
# Automatically added by dh_installudev
if [ "$1" = install ] || [ "$1" = upgrade ]; then
	if [ -e "/etc/udev/rules.d/z60_irda-utils.rules" ]; then
		if [ "`md5sum \"/etc/udev/rules.d/z60_irda-utils.rules\" | sed -e \"s/ .*//\"`" = \
		     "`dpkg-query -W -f='${Conffiles}' irda-utils | sed -n -e \"\\\\' /etc/udev/rules.d/z60_irda-utils.rules '{s/ obsolete$//;s/.* //p}\"`" ]
		then
			rm -f "/etc/udev/rules.d/z60_irda-utils.rules"
		fi
	fi
fi
# End automatically added section
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