#!/bin/sh
#
# $Header: /home/cvsd/alx-cvs/alx-src/alxinstall-ng/bin/alxinstall-ng.sh,v 1.2 2005-04-18 20:27:57 niro Exp $
#
# AutoSta_LX Installation Script
# version: 0.8b
#
# Niels Rogalla <niro@magellan-linux.de>
#		<rogalla@augusta-bochum.de>
#
#
# Install Navigation Gui
#

#source /etc/alx_version
#source /opt/alx-config/version

#source /etc/alx-config/config.rc

#images: (get ${CDIMAGENAME})
source /mnt/cdrom/system/images.conf

#Includes
source /usr/lib/alxinstall-ng/functions/findhdd.sh > /dev/null
### bugfix ###############################
cdromdev="`echo $cdromdev|sed -e 's/ //'`"
########################################

### System/Config Version
VERSION="0.1"
TITLE="alxinstall-ng - ${VERSION}"

#CONFIGS_TEMPLATE="/opt/alx-config/configs"

CDPATH="/mnt/cdrom"
INSTALLPATH="/mnt/magellan"

### WICHTIG: anzahl lines in der autosta_lx.tar.gz -1
CURRENTLINE=0
#TOTALLINES=11072 # -> now in images.conf


#################################################
#		  DIALOG BOXEN			#
#################################################

die() {
	#clear
	#echo -e "\nhuch, da ist ein script gestorben -> $?\n"
	#read
	#exit 0
	ERROR=$1
	RETVAL=$?
	dialog_install_failure
	exit 1
}

dialog_warning() {
	dialog \
	--backtitle "$TITLE" \
	--colors \
	--defaultno \
	--yesno "\Z1 !!! Achtung !!! \Zn\n\n\
	Diese Festplatte wird unwiederruflich geloescht werden.\n\n\
		Soll ich wirklich fortfahren ?" 10 70
	RES=$?
	if [ "$RES" == "1" ]
	then
		clear
		echo "Der Vorgang wurde abgebrochen."
		exit 1
	fi
}

dialog_setup_hdd_info(){
	local SHDD="`echo $HDD|sed -e 's/\/dev\///'`"

	dialog \
	--colors \
	--title "[ Festplatten Partitionierung ]" \
	--backtitle "$TITLE" \
	--ok-label "Weiter" \
	--msgbox "\nBitte legen Sie 3 Partitionen an.\n\n\
		[ \Z3${SHDD}1\Zn ] Typ: \Z3Linux\Zn mit ca. 50MB\n\
		[ \Z3${SHDD}2\Zn ] Typ: \Z3Linux Swap\Zn mit ca. 256MB\n\
		[ \Z3${SHDD}3\Zn ] Typ: \Z3Linux \Zn mit dem Rest (min. 256MB)\n\n\
		Bitte ${SHDD}1 als \Z3bootable\Zn markieren." 12 81
}

dialog_setup_hdd_menu() {

	I=`dialog \
	--backtitle "$TITLE" \
	--title "[ Festplatten Partitionierung ]" \
	--cancel-label "Abbrechen" \
	--ok-label "Weiter" \
	--stdout \
	--menu "\nWaehlen Sie zwischen Manuell und Automatisch" 14 70 5 \
	"1" "Manuell" \
	"2" "Automatisch"`
	RES=$?
	if [ "$RES" == "1" ];then
		return 1
	fi
	if [ "$RES" == "0" ];then
		case "$I" in
        		"1")
				dialog_setup_hdd_found_manuell
				;;
			"2")
				dialog_warning
				setup_hdd_partitions_silent
			     	;;
		esac
	fi
}

dialog_setup_hdd_found_manuell() {
	if [ ! -z "$installdevs" ]
	then
		installdevs=""
	fi

	echo "dialog \\"  > /tmp/hddtmp.sh
	echo "--backtitle \"$TITLE\" \\" >> /tmp/hddtmp.sh
	echo "--ok-label \"Weiter\" \\" >> /tmp/hddtmp.sh
	echo "--stdout \\" >> /tmp/hddtmp.sh
	echo "--colors \\" >> /tmp/hddtmp.sh
	echo "--msgbox \"Gefundene Hardware:\n\n \\" >> /tmp/hddtmp.sh
	echo "	Festplatten:\n \\" >> /tmp/hddtmp.sh

	if [ ! -z "$scsidisks" ]
	then
		for I in $scsidisks
		do
			if [ "$I" != "$cdromdev" ]
			then
				echo "		\\Z7SCSI: \\Z3$I\\Zn\n \\" >> /tmp/hddtmp.sh
				installdevs="$installdevs $I"
			fi
		done
	fi

	if [ ! -z "$idedisks" ]
	then
		for I in $idedisks
		do
			if [ "$I" != "$cdromdev" ]
			then
				echo "		\\Z7IDE:  \\Z3$I\\Zn\n \\" >> /tmp/hddtmp.sh
				installdevs="$installdevs $I"
			fi
		done
	fi

	if [ ! -z "$cdromdev" ]
	then
		echo "	\n \\" >> /tmp/hddtmp.sh
		echo "	\\Z7andere Laufwerke:\n \\" >> /tmp/hddtmp.sh
		echo "		CDROM: \\Z3$cdromdev\\Zn\n \\" >> /tmp/hddtmp.sh
	fi
	echo "	\" 13 70" >> /tmp/hddtmp.sh
	chmod a+x /tmp/hddtmp.sh
	/tmp/hddtmp.sh
}

dialog_setup_hdd_partitions_manuell() {
	if [ -z "$installdevs" ]
	then
		dialog \
		--backtitle "$TITLE" \
		--ok-label "Beenden" \
		--msgbox "Kein geeignetes Laufwerk gefunden.\nDie Installation ist fehlgeschlagen." 6 70
		exit 1
	else

		echo "dialog \\" > /tmp/hddtmp.sh
		echo "--backtitle \"$TITLE\" \\" >> /tmp/hddtmp.sh
		echo "--ok-label \"Weiter\" \\" >> /tmp/hddtmp.sh
		echo "--cancel-label \"Beenden\" \\" >> /tmp/hddtmp.sh
		echo "--stdout \\" >> /tmp/hddtmp.sh
		echo "--menu \"Installations Laufwerk auswaehlen:\" 10 70 3 \\" >> /tmp/hddtmp.sh

		for I in $installdevs
		do
			echo "\"$I\" \"\" \\" >> /tmp/hddtmp.sh
		done
		echo -e "\n" >> /tmp/hddtmp.sh

		chmod a+x /tmp/hddtmp.sh
		HDD="`/tmp/hddtmp.sh`"
		RES=$?
		if [ "$RES" == "1" ]
		then
			return 1
		fi
		if [ "$RES" == "0" ]
		then
			dialog_setup_hdd_info
			setup_hdd_partitions_manuell
		fi
	fi
}

dialog_setup_hdd_partitions_silent() {
	dialog \
	--backtitle "$TITLE" \
	--infobox "Erstelle Partitionen ..." 3 70
}

dialog_setup_hdd_format() {
	dialog \
	--backtitle "$TITLE" \
	--infobox "Erstelle Datei-Systeme ..." 3 70
}

dialog_install_settings() {
	dialog \
	--backtitle "$TITLE" \
	--infobox "Speichere System-Einstellungen ..." 3 70
}

dialog_install_system_image() {
	dialog \
	--backtitle "$TITLE" \
	--gauge "Kopiere System-Image ..." 6 80
}

dialog_install_meter() {
	while [ "${CURRENTLINE}" != "${TOTALLINES}" ] ; do
		CURRENTLINE=`grep --count . /tmp/install.log`
		PERCENT=`expr ${CURRENTLINE} \* 100 / ${TOTALLINES}`
		echo ${PERCENT}
		sleep 1
	done
	rm -f /tmp/install.log
	return 0
}


dialog_install_bootsector() {
	dialog \
	--backtitle "$TITLE" \
	--infobox "Schreibe den Bootsektor ..." 3 70
}

dialog_install_alxconfig() {
	dialog \
	--backtitle "$TITLE" \
	--infobox "Installiere die ALX Setup-Tools ..." 3 70
}

dialog_install_kernel_image() {
	dialog \
	--backtitle "$TITLE" \
	--infobox "Installiere den System-Kernel ..." 3 70

}

dialog_install_hotfixes() {
	dialog \
	--backtitle "$TITLE" \
	--infobox "Installiere Hotfixes ..." 3 70

}

dialog_install_successful() {
	dialog \
	--backtitle "$TITLE" \
	--colors \
	--msgbox "Die Installation war \Z2erfolgreich\Zn." 5 81
}

dialog_install_failure() {
	dialog \
	--backtitle "$TITLE" \
	--colors \
	--msgbox "Die Installation ist \Z1Fehlgeschlagen\Zn.\n\n\
		Fehler bei $ERROR, RetVal: $RETVAL \
	" 10 81
}

dialog_install_method() {

	METHOD=`dialog \
	--backtitle "$TITLE" \
	--cancel-label "Abbrechen" \
	--ok-label "Weiter" \
	--stdout \
	--menu "Konfiguration" 14 70 5 \
	"1" "Normale Installation" \
	"2" "Silent Installation"`
	RES=$?
	if [ "$RES" == "1" ];then
		return 1
	fi
	if [ "$RES" == "0" ];then
		case "$METHOD" in
        		"1")
				run_install_normal
				;;
			"2")
				dialog_warning
				run_install_silent
			     	;;
		esac
	fi
}

dialog_main() {
	METHOD=0

	while [ $METHOD -le 2 ]
	do
		METHOD=`dialog \
		--backtitle "$TITLE" \
		--no-cancel \
		--ok-label "Weiter" \
		--stdout \
		--menu "Konfiguration" 14 70 5 \
		"1" "AutoSta_LX installieren" \
		"2" "Uebersicht gefundener Laufwerke" \
		"3" "Beenden und neustarten" \
		"4" "Beenden und eine Shell starten" `
		RES=$?
		if [ "$RES" == "1" ];then
			exit 1
		fi
		if [ "$RES" == "0" ];then
			case "$METHOD" in
        			"1")	
					#only for now later it will be used again
					#with 6.1-r2 only one install method available
					#dialog_install_method
					run_install_normal
					;;
				"2") 	dialog_setup_hdd_found_manuell
					;;
				"3")	install_do_reboot
					;;
				"4")	/bin/bash --login -i
					;;
			esac
		fi
	done
}

#################################################
#		Install Komandos		#
#################################################
setup_hdd_partitions_manuell() {
	BOOTHDD="${HDD}1"
	SWAPHDD="${HDD}2"
	ROOTHDD="${HDD}3"

	## hdds partitionieren manuell
	cfdisk $HDD || die
}

setup_hdd_partitions_silent() {
	## hdds löschen
	dd if=/dev/zero of=$HDD bs=1024k count=1 || die
	## hdds partitionieren silent
	fdisk $HDD < $CONFIGS_TEMPLATE/fdisksettings #1> /dev/null 3> /dev/null || die
	
	read
}

setup_hdd_format() {
	mkswap $SWAPHDD || die
	mke2fs -j -q $BOOTHDD || die
	mke2fs -j -q $ROOTHDD || die
}

install_mount_rootfs() {
	swapon $SWAPHDD || die
	mount $ROOTHDD $INSTALLPATH || die
	install -d $INSTALLPATH/boot || die
	mount $BOOTHDD $INSTALLPATH/boot || die
	cd $INSTALLPATH || die
}

install_system_image() {
	#tar xvzpf $CDPATH/system/autosta_lx.tar.gz
	tar xvjpf ${CDPATH}/system/${CDIMAGENAME} -C ${INSTALLPATH}
}


install_kernel_image() {
	declare -i CPUTYPE=`cat /proc/cpuinfo |grep "cpu family"|cut -d ' ' -f3`

	if [ $CPUTYPE -le 5 ];then
                #echo -e "\033[1;6m\033[36m""i386 Architektur gefunden.""\033[0m"
                #echo -e "Installiere i386 Kernel..."

		lastdir="`pwd`"

		mkdir -p $INSTALLPATH/INSTALL/kernel || die
		cd $INSTALLPATH/INSTALL/kernel || die
		tar xzpf $CDPATH/kernels/kernel-i386.tar.gz || die
		source $INSTALLPATH/INSTALL/kernel/kernelversion || die

		cp -aRf $INSTALLPATH/INSTALL/kernel/$KRNLIB $INSTALLPATH/lib/modules || die
		cp -aRf $INSTALLPATH/INSTALL/kernel/$KRNIMG $INSTALLPATH/boot || die
		cp -aRf $INSTALLPATH/INSTALL/kernel/$KRNINITRD $INSTALLPATH/boot || die
		cp -aRf $INSTALLPATH/INSTALL/kernel/kernelversion $INSTALLPATH/boot || die

		cd $lastdir || die

        elif [ $CPUTYPE -ge 6 ];then
                #echo -e "\033[1;6m\033[36m""i686 Architektur gefunden.""\033[0m"
                #echo -e "Installiere i686 Kernel..."

		lastdir="`pwd`"

		mkdir -p $INSTALLPATH/INSTALL/kernel || die
		cd $INSTALLPATH/INSTALL/kernel || die
		tar xzpf $CDPATH/kernels/kernel-i686.tar.gz || die
		source $INSTALLPATH/INSTALL/kernel/kernelversion || die

		cp -aRf $INSTALLPATH/INSTALL/kernel/$KRNLIB $INSTALLPATH/lib/modules || die
		cp -aRf $INSTALLPATH/INSTALL/kernel/$KRNIMG $INSTALLPATH/boot || die
		cp -aRf $INSTALLPATH/INSTALL/kernel/$KRNINITRD $INSTALLPATH/boot || die
		cp -aRf $INSTALLPATH/INSTALL/kernel/kernelversion $INSTALLPATH/boot || die

		cd $lastdir || die
        fi
}

install_bootsector() {
	### grubconf schreiben
	source $INSTALLPATH/INSTALL/kernel/kernelversion

	if [ -z $KRNVER ]
	then
		KRNVER="AutoSta_LX"
	fi

	if [ -z $KRNIMG ]
	then
		KRNIMG="bzImage"
	fi

	if [ -z $KRNINITRD ]
	then
		KRNINITRD="initrd"
	fi

	echo -e "default 0" > $INSTALLPATH/boot/grub/grub.conf || die
	echo -e "timeout 03" >> $INSTALLPATH/boot/grub/grub.conf ||die
	#no support for splash image in 6.1-r2
	#echo -e "splashimage=(hd0,0)/boot/grub/splash.xpm.gz" >> $INSTALLPATH/boot/grub/grub.conf || die
	echo -e "\ntitle=${KRNVER}" >> $INSTALLPATH/boot/grub/grub.conf || die
	echo -e "root (hd0,0)" >> $INSTALLPATH/boot/grub/grub.conf || die
	
	#s3 cards don't support this
	#echo -e "kernel (hd0,0)/boot/${KRNIMG} root=$ROOTHDD vga=0x317 video:vesa:ywrap,mtrr splash=silent quiet" >> $INSTALLPATH/boot/grub/grub.conf || die
	#that's more safer:
	echo -e "kernel (hd0,0)/boot/${KRNIMG} root=$ROOTHDD quiet" >> $INSTALLPATH/boot/grub/grub.conf || die
	
	#not needed without bootsplash support
	#echo -e "initrd=/boot/${KRNINITRD}" >> $INSTALLPATH/boot/grub/grub.conf || die

	### bootsector schreiben
	#grub --no-floppy < $CONFIGS_TEMPLATE/grubsettings || die
	/sbin/grub --no-floppy --batch << "EOF" 1> /dev/null 2> /dev/null || die
root (hd0,0)
setup (hd0)
quit
EOF
}

install_bootsector_chroot() {
	### grubconf schreiben
	#source $INSTALLPATH/INSTALL/kernel/kernelversion
	source $INSTALLPATH/boot/kernelversion

	#for alx only
	if [ -e ${INSTALLPATH}/etc/alx_version ]
	then
		OLD_ALXVER="${ALXVER}"
		source ${INSTALLPATH}/etc/alx_version
		KRNVER="ALX-${ALXVER}"
		ALXVER="${OLD_ALXVER}"
	fi
	
	if [ -z "$KRNVER" ]
	then
		KRNVER="AutoSta_LX"
	fi

	if [ -z "$KRNIMG" ]
	then
		KRNIMG="bzImage"
	fi

	if [ -z "$KRNINITRD" ]
	then
		KRNINITRD="initrd"
	fi

	echo -e "default 0" > $INSTALLPATH/boot/grub/grub.conf || die
	echo -e "timeout 03" >> $INSTALLPATH/boot/grub/grub.conf ||die
	
	#no support for splash image in 6.1-r2
	#echo -e "splashimage=(hd0,0)/boot/grub/splash.xpm.gz" >> $INSTALLPATH/boot/grub/grub.conf || die
	
	echo -e "\ntitle=${KRNVER}" >> $INSTALLPATH/boot/grub/grub.conf || die
	echo -e "root (hd0,0)" >> $INSTALLPATH/boot/grub/grub.conf || die
	
	#s3 cards don't support this
	#echo -e "kernel (hd0,0)/boot/${KRNIMG} root=$ROOTHDD vga=0x317 video:vesa:ywrap,mtrr splash=silent quiet" >> $INSTALLPATH/boot/grub/grub.conf || die
	#that's more safer:
	echo -e "kernel (hd0,0)/boot/${KRNIMG} root=$ROOTHDD quiet" >> $INSTALLPATH/boot/grub/grub.conf || die
	
	#not needed without bootsplash support
	#echo -e "initrd=/boot/${KRNINITRD}" >> $INSTALLPATH/boot/grub/grub.conf || die


	### bootsector schreiben chrooted schreiben (gentoo)
	if [ -f $INSTALLPATH/sbin/grub ]
	then
		cat > $INSTALLPATH/root/.bashrc << CHROOTEOF
/sbin/grub --no-floppy --batch << "EOF" 1> /dev/null 2> /dev/null
root (hd0,0)
setup (hd0)
quit
EOF
exit 0
CHROOTEOF
	fi

	### bootsector schreiben chrooted schreiben (lfs/magellan)
	if [ -f $INSTALLPATH/usr/sbin/grub ]
	then
		cat > $INSTALLPATH/root/.bashrc << CHROOTEOF
/usr/sbin/grub --no-floppy --batch << "EOF" 1> /dev/null 2> /dev/null
root (hd0,0)
setup (hd0)
quit
EOF
exit 0
CHROOTEOF
	fi

	##enters chroot
	mount -t proc proc $INSTALLPATH/proc
	chroot $INSTALLPATH /bin/bash --rcfile /root/.bashrc -i
	umount $INSTALLPATH/proc
	rm $INSTALLPATH/root/.bashrc
}

install_alxconfig(){
	lastdir="`pwd`"

	mkdir -p $INSTALLPATH/opt/alx-config || die
	cd $INSTALLPATH/opt/alx-config || die
	tar xzpf $CDPATH/alx-config/alx-config.tar.gz || die
	chmod a+x $INSTALLPATH/opt/alx-config/Configurator/config_functions.sh || die
	chmod a+x $INSTALLPATH/opt/alx-config/Configurator/config_menu.sh || die
	ln -sf /opt/alx-config/Configurator/config_menu.sh $INSTALLPATH/bin/ALXConfig || die

	cd $lastdir || die
}


install_system_settings(){
	### schreibe fstab
	echo -e "$BOOTHDD\t/\text3\tnoatime,noauto\t1 1" > $INSTALLPATH/etc/fstab || die
	echo -e "$ROOTHDD\t/\text3\tnoatime\t0 0" >> $INSTALLPATH/etc/fstab || die
	echo -e "$SWAPHDD\tswap\tswap\tpri=1\t0 0" >> $INSTALLPATH/etc/fstab || die
	echo -e "none\t/proc\tproc\tdefaults\t0 0" >> $INSTALLPATH/etc/fstab || die
	
	#deprecated
	#echo -e "devpts\t/dev/pts\tdevpts\tgid=4,mode=620\t0 0" >> $INSTALLPATH/etc/fstab || die

	echo -e "none\t/dev/shm\ttmpfs\tdefaults\t0 0" >> $INSTALLPATH/etc/fstab || die
	echo -e "none\t/proc/bus/usb\tusbfs\tdefaults\t0 0" >> $INSTALLPATH/etc/fstab || die
}

install_hotfixes(){
	if [ -f $CDPATH/hotfixes/hotfixes.sh ]
	then
		dialog_hotfixes
		sleep1
		$CDPATH/hotfixes/hotfixes.sh
	fi
}

install_umount_rootfs() {
	cd /
	umount $INSTALLPATH/boot || die
	umount $INSTALLPATH || die
	swapoff $SWAPHDD || die
}

install_do_reboot() {

	#only for now later it will be used again
	#with 6.1-r2 these options are not available
	#cd /
	#umount $CDPATH
	#eject
	#clear
	
	reboot
}

#################################################
#	     Install Ablauf Scripte		#
#################################################

run_install_normal() {
	#only for now later it will be used again
	#with 6.1-r2 only one install method available
	#dialog_setup_hdd_menu
	dialog_setup_hdd_found_manuell
	
	dialog_setup_hdd_partitions_manuell
	dialog_setup_hdd_format
	setup_hdd_format > /dev/null
	install_mount_rootfs
	(install_system_image > /tmp/install.log) 2> /tmp/install_errors.log | dialog_install_meter | dialog_install_system_image
	
	#only for now later it will be used again
	#with 6.1-r2 variable kernels are not available
	#dialog_install_kernel_image
	#install_kernel_image
	
	dialog_install_bootsector
	install_bootsector_chroot
	
	#only for now later it will be used again
	#with 6.1-r2 highest version of alx-config is already included
	#dialog_install_alxconfig
	#sleep 1
	#install_alxconfig
	
	dialog_install_settings
	sleep 1
	install_system_settings
	install_hotfixes
	install_umount_rootfs
	dialog_install_successful
}

run_install_silent() {
	echo "starting silent install ..."
	sleep 1
}

run_install_unattended() {
	echo "starting unattended install ..."
	sleep 1
}

if [ "$1" == "unattended" ]
then
	run_install_unattended
else
	dialog_main
fi

exit 0