#!/bin/sh
# Filename:      grml-autoconfig
# Purpose:       configuration interface for grml-autoconfig
# Authors:       grml-team (grml.org), (c) Michael Prokop <mika(at)grml.org>
# Bug-Reports:   see http://grml.org/bugs/
# License:       This file is licensed under the GPL v2.
# Latest change: Die Sep 26 12:26:05 CEST 2006 [mika]
################################################################################

if [ "$UID" != 0 ];  then
  echo "Error: please run this script with uid 0 (root)." ; exit 1
fi

LANG=C
LC_ALL=C
PN=`basename "$0"`
TMPFILE=`mktemp`

grep -q small /etc/grml_version 2>/dev/null && AUTOCONFIG=/etc/grml/autoconfig.small || AUTOCONFIG=/etc/grml/autoconfig

[ -r $AUTOCONFIG ] || exit 1

# helper functions
activate_value()
{
  sed -i "s/$1.*/$1='yes'/" $AUTOCONFIG
}

deactivate_value()
{
  sed -i "s/$1.*/$1='no'/" $AUTOCONFIG
}

check_setting()
{
  grep -q $* $TMPFILE && return 0 || return 1
}

check_current_state()
{
  grep -q '^CONFIG_DHCP=.*yes'     $AUTOCONFIG && DHCPSTATUS=ON     || DHCPSTATUS=OFF
  grep -q '^CONFIG_ACPI_APM=.*yes' $AUTOCONFIG && ACPI_APMSTATUS=ON || ACPI_APMSTATUS=OFF
  grep -q '^CONFIG_CPU=.*yes'      $AUTOCONFIG && CPUSTATUS=ON      || CPUSTATUS=OFF
  grep -q '^CONFIG_SYSLOG=.*yes'   $AUTOCONFIG && SYSLOGSTATUS=ON   || SYSLOGSTATUS=OFF
  grep -q '^CONFIG_GPM=.*yes'      $AUTOCONFIG && GPMSTATUS=ON      || GPMSTATUS=OFF
  grep -q '^CONFIG_KERNEL=.*yes'   $AUTOCONFIG && KERNELSTATUS=ON   || KERNELSTATUS=OFF
  grep -q '^CONFIG_FSTAB=.*yes'    $AUTOCONFIG && FSTABSTATUS=ON    || FSTABSTATUS=OFF
  grep -q '^CONFIG_LANGUAGE=.*yes' $AUTOCONFIG && LANGUAGESTATUS=ON || LANGUAGESTATUS=OFF
  grep -q '^CONFIG_DMA=.*yes'      $AUTOCONFIG && DMASTATUS=ON      || DMASTATUS=OFF
  grep -q '^CONFIG_MIXER=.*yes'    $AUTOCONFIG && MIXERSTATUS=ON    || MIXERSTATUS=OFF
}

# main program
interface()
{
  dialog --cr-wrap --clear --cancel-label "Exit" --title "$PN" --checklist "grml-autoconfig is the framework which includes hardware
detection, activation of system services and this is the
interface to activate or deactivate some features.

If you do not know what to do at this stage just leave it untouched,
the defaults are the recommended values.

All the configuration happens in the file /etc/grml/autoconfig - you can
edit it manually as well.
" 0 0 0 \
dhcp "check for network devices and run pump (get ip-address via DHCP)" $DHCPSTATUS \
acpi_apm "load ACPI/APM modules" $ACPI_APMSTATUS \
cpufreq "activate cpydyn/powernowd for frequency-scalable CPUs" $CPUSTATUS \
syslog "start syslog-ng" $SYSLOGSTATUS \
gpm "start GPM (mouse on console)" $GPMSTATUS \
kernel "display information on running kernel" $KERNELSTATUS \
fstab "update /etc/fstab entries (check for devices)" $FSTABSTATUS \
language "run loadkeys / consolechars" $LANGUAGESTATUS \
dma "enable DMA for all IDE drives" $DMASTATUS \
mixer "set audio volumes" $MIXERSTATUS \
  2>$TMPFILE
}

set_values()
{
  check_setting dhcp        && activate_value CONFIG_DHCP         || deactivate_value CONFIG_DHCP
  check_setting acpi_apm    && activate_value CONFIG_ACPI_APM     || deactivate_value CONFIG_ACPI_APM
  check_setting cpufreq     && activate_value CONFIG_CPU          || deactivate_value CONFIG_CPU
  check_setting syslog      && activate_value CONFIG_SYSLOG       || deactivate_value CONFIG_SYSLOG
  check_setting gpm         && activate_value CONFIG_GPM          || deactivate_value CONFIG_GPM
  check_setting kernel      && activate_value CONFIG_KERNEL       || deactivate_value CONFIG_KERNEL
  check_setting fstab       && activate_value CONFIG_FSTAB        || deactivate_value CONFIG_FSTAB
  check_setting language    && activate_value CONFIG_LANGUAGE     || deactivate_value CONFIG_LANGUAGE
  check_setting dma         && activate_value CONFIG_DMA          || deactivate_value CONFIG_DMA
  check_setting mixer       && activate_value CONFIG_MIXER        || deactivate_value CONFIG_MIXER
}

# and now run it:
  check_current_state
  interface
  retval=$?
  case $retval in
   0)
    set_values && dialog --stdout --title "${PN}" --msgbox "Adjusting values via grml-autoconfig was successful!" 5 60 || \
    dialog --stdout --title "${PN}" --msgbox "There was an error adjusting values via grml-autoconfig. Sorry." 5 60
    rm -f $TMPFILE &>/dev/null
    ;;
   1)
    echo "Exit pressed."
    ;;
   255)
    echo "ESC pressed."
    exit 1
    ;;
  esac

## END OF FILE #################################################################