#!/bin/sh
# $Id$
#
# Copyright 2007 Platform Computing Corporation.
#
# Licensed under GPL version 2; See LICENSE for details.
#
# Kusu 'faux yast' loader

# Preserve the current environment 
envfile="/tmp/yast-current-environment.$$.tmp"
/usr/bin/env > $envfile

export TERM=linux
export LANG="en_US.UTF-8"
source /opt/kusu/bin/kusuenv.sh

# The following should go into kusuenv.sh
export PYTHONPATH=$PYTHONPATH:/mounts/instsys/usr/lib/python2.4/site-packages

# kusuenv.sh does not detect the following properly yet
export KUSU_DIST="sles"
export KUSU_DISTVER="10"
export PRIMITIVE_LOCKDIR="/tmp"

# Force hardware detection so that network devices are discovered
echo "Detecting network cards ..."
/mounts/instsys/detect_network_cards.py

echo "Installing device mapper kernel module ..."
echo "modprobe dm_mod"
modprobe dm_mod

# sysfs interface to BIOS EDD information
echo "Installing BIOS EDD kernel module ..."
echo "modprobe edd"
modprobe edd

/opt/kusu/bin/installer

EXIT_CODE=$?
if [ $EXIT_CODE -eq 0 ]; then 
    # Unset kusu bits
    for key in `/usr/bin/env | /bin/awk -F= '{print $1}' | grep KUSU`; do 
        unset $key > /dev/null 2>&1
    done
    unset LANG > /dev/null 2>&1
    unset PYTHONPATH  > /dev/null 2>&1
    
    # Restore the environment when we are done
    source $envfile > /dev/null 2>&1 

    echo "Starting thttpd..."
    /mounts/instsys/thttpd-run.sh > /dev/null 2>&1  &

    echo "Modifying /etc/install.inf ..."
    # Need to modify /etc/install.inf. install.inf is written out by linuxrc 
    # for yast. Documented in README.linuxrc in linuxrc src
    /bin/egrep -v 'Server:|Serverdir:|InstMode:|SourceType:' /etc/install.inf > /tmp/install.inf.tmp
    echo -e "Server: 127.0.0.1\nServerdir: /repos/1000\nAutoYaST: file:///tmp/kusu-autoinst.xml\nInstMode: http" >> /tmp/install.inf.tmp
    /bin/cp -f /tmp/install.inf.tmp /etc/install.inf

    echo "Starting the real yast..."
    /sbin/yast.real "$@"

    exit $?

elif [ $EXIT_CODE -eq 1 ]; then
    # an unknown exception has occurred. Give user an option to copy out log+dump
    echo "An internal program error has occurred."
    echo "A log of the session can be found in /tmp/kusu.log"
    echo "A dump of the error can be found in /tmp/exception.dump";
    echo
    echo "Press any key to reboot.";
    read -n 1
    echo b > /proc/sysrq-trigger
elif [ $EXIT_CODE -eq 2 ]; then
    # exit code 2 means user chose to exit
    echo "Exiting on request. Please standby for reboot...";
    echo b > /proc/sysrq-trigger
else
    # in case of problem with the Kusu Installer, we halt
    echo "Something has gone very wrong. Press any key to reboot.";
    read -n 1
    echo b > /proc/sysrq-trigger
fi