Devil Killer Is Here MiNi Shell
MiNi SheLL

Current Path : /usr/bin/
Linux boscustweb5004.eigbox.net 5.4.91 #1 SMP Wed Jan 20 18:10:28 EST 2021 x86_64
Current File : //usr/bin/fai-debconf
#! /bin/bash

#*********************************************************************
#
# fai-debconf - set debconf values using classes
#
# This script is part of FAI (Fully Automatic Installation)
# (c) 2005-2013 by Thomas Lange, lange@informatik.uni-koeln.de
# Universitaet zu Koeln
#
#*********************************************************************
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful, but
# WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
# General Public License for more details.
#
# A copy of the GNU General Public License is available as
# `/usr/share/common-licences/GPL' in the Debian GNU/Linux distribution
# or on the World Wide Web at http://www.gnu.org/copyleft/gpl.html. You
# can also obtain it by writing to the Free Software Foundation, Inc.,
# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
#*********************************************************************

# variables needed: $classes, $ROOTCMD, $LOGDIR, $target

# - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
call_conf() {

    # loop over all files in debconf
    local class f
    cd $debconfdir
    for class in $classes ; do
        [ -f $class ] && add_data $class
        if [ -d $class ]; then
           for f in $(ls $class/* | egrep '^[[:alnum:]/_.-]+$') ; do
               [ -f $f ] && add_data $f
           done
        fi
    done
}
# - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
add_data() {

    # add debconf data
    local file=$1

    [ "$verbose" ] && echo "Adding debconf data from $debconfdir/$file"
    $ROOTCMD debconf-set-selections $v < $debconfdir/$file 2>> $LOGDIR/debconf.log
    cat $debconfdir/$file >> $LOGDIR/debconf.data
}
# - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
reconfigure_packages() {

     local packages p tmpdb

     [ -s $LOGDIR/debconf.data ] || return # nothing to do if is size 0 or missing
     if [ -r $LOGDIR/debconf.old ] ; then
       $ROOTCMD debconf-get-selections | sort > $LOGDIR/debconf.new
       diff --changed-group-format="%>" --unchanged-line-format="" \
         $LOGDIR/debconf.old $LOGDIR/debconf.new > $LOGDIR/debconf.data
     fi

     packages=$(awk '{print $1}' $LOGDIR/debconf.data | sort | uniq)
     # backup database
     tmpdb=$($ROOTCMD mktemp -t fai-debconf.XXXXXXXXXX) || exit 10
     $ROOTCMD debconf-copydb configdb faidb --config=Name:faidb --config=Driver:File --config=Filename:$tmpdb
     for p in $packages; do
         # test if package is installed
         if [ -f $target/var/lib/dpkg/info/$p.list ]; then
            [ "$verbose" ] && echo "Reconfiguring package $p"
            DEBCONF_DB_OVERRIDE="File{$tmpdb readonly:true}" DEBIAN_FRONTEND=noninteractive $ROOTCMD /usr/sbin/dpkg-reconfigure $p
         else
            [ "$debug" ] && echo "Package $p is not yet installed. Skipping reconfiguration."
         fi
     done
     rm -f $target/$tmpdb $target/$tmpdb-old
}
# - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
usage() {

    local ex=$1
    cat <<-EOF
    fai-debconf Copyright (C) 2005-2010 Thomas Lange

    Usage: fai-debconf [OPTION] DIRECTORY
EOF
    exit $ex
}
# - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
# main program

reconf=1 # call dpkg-reconfigure by default
forcereconf=0 # don't call dpkg-reconfigure for unchanged packages

while getopts "hvsfd" opt ; do
    case "$opt" in
        d) debug=1; verbose=1; v=-v ;;
        f) forcereconf=1 ;;
        h) usage 0 ;;
        s) reconf=0 ;;
        v) verbose=1; v=-v ;;
    esac
done
shift $(($OPTIND - 1))
[ -z "$1" ] || [ -n "$2" ] && usage 1
debconfdir=$1 # will be $FAI/debconf

if [ "x$classes" = "x" ]; then
    echo "No classes are defined."
    exit 9
fi

[ $forcereconf -eq 0 -a -x $target/usr/bin/debconf-get-selections ] && $ROOTCMD debconf-get-selections | sort > $LOGDIR/debconf.old
call_conf # add data to debconf database
[ $reconf -eq 1 ] && reconfigure_packages
exit 0
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