#! /bin/sh

# copyright Thomas Lange 2001-2003, lange@debian.org

# this is the function: AppendIfNoSuchLine
egrep -q "^auto" $target/etc/modules 2>/dev/null || echo "auto" >> $target/etc/modules

# a list of modules which are loaded at boot time
for module in $moduleslist; do
    echo $module >> $target/etc/modules
done

# if class MBR is defined, write lilo into master boot record
ifclass MBR || BOOT_DEVICE=$ROOT_PARTITION

if ifclass LILO; then
  fcopy /etc/lilo.conf || {
    # if the installed kernel is using an initial ramdisk
    if [ -L $target/initrd.img ]; then
	initrdopt="initrd=/initrd.img"
    fi
    # write lilo.conf and install lilo to disk
    echo "Creating lilo.conf for /vmlinuz"
    cat > $target/etc/lilo.conf <<-EOF
	boot=$BOOT_DEVICE
	root=$ROOT_PARTITION
	install=/boot/boot.b
	map=/boot/map
	vga=normal
	delay=50

	image=/vmlinuz
	append="devfs=nomount"
	$initrdopt
	label=linux
        read-only

	image=/vmlinuz.old
	label=linux.old
	read-only
	optional
	$liloappend
EOF
  }
fi

if ifclass GRUB; then
    kernelname=/vmlinuz
    echo "Installing grub and boot entry for $kernelname"
    grub-install --root-directory=$target $BOOT_DEVICE
    broot=`device2grub $ROOT_PARTITION`
    if [ -L $target/initrd.img ]; then
	initrdopt="initrd $broot/initrd.img"
    fi

    fcopy /boot/grub/menu.lst || {
    cat > $target/boot/grub/menu.lst <<-EOF

	# created by FAI
	
	timeout 10
	default 0
	color cyan/blue white/blue

	title Debian GNU/Linux, $kernelname $kernelimage
	root $broot
	kernel $kernelname
	$initrdopt
EOF
    if ifclass BOOTWINDOWS; then
    cat >> $target/boot/grub/menu.lst <<-EOF

	# created by FAI

	# For booting Windows NT or Windows95
	title Windows
	rootnoverify (hd0,0)
	makeactive
	chainloader  +1
EOF
    fi

    # add entry for memtest
    if dpkg -l memtest86 > /dev/null 2>&1 ; then
    cat >> $target/boot/grub/menu.lst <<-EOF

        title  memtest
        root   $broot
        kernel /boot/memtest86.bin

EOF
    fi

    }
    rdev $target/$kernelname $ROOT_PARTITION
    echo "Grub installed for $kernelname on $broot"

fi

# - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
# this was the script FAI_BOOTPART
# this must be executes after the part above, because we append
# some lines to the boot loader configuration files

# create a partition for booting FAI from local disk and
# add this kernel to lilo or grub

# Thomas Lange, Uni Koeln, 2000,2002

ifclass FAI_BOOTPART && {

    cp -a $target/boot $target/fai-boot

    cd $target/boot
    kernelversion=`ls vmlinuz-*`

    ifclass LILO && {
    # write lilo.conf and install lilo to disk
	echo "Add /fai-boot partition to lilo.conf"

	cat >> $target/etc/lilo.conf <<-EOF
	image=/fai-boot/boot/$kernelversion
	$initrdopt
	append="devfs=nomount"
	label=FAI
EOF

	mkdir $target/fai-boot/etc
	cp $target/etc/lilo.conf $target/fai-boot/etc
    }

    ifclass GRUB && {

	echo "Add /fai-boot partition to menu.lst for grub"
	kernelname=/boot/$kernelversion
    # get device for this boot partition
	dev=`df $target/fai-boot | grep '^/dev/' | cut -d ' ' -f1`
	broot=`device2grub $dev`

	cat >> $target/boot/grub/menu.lst <<-EOF

	# created by FAI
	
	title FAI (Fully Automatic Installation) BOOT GNU/Linux
	root (nd)
	kernel $kernelname nfsroot=rom
EOF

	echo "Grub installed for $kernelimage $broot"
    }
}

# now call lilo
# you can also use this
# $ROOTCMD lilo -v
if ifclass LILO; then
    $target/sbin/lilo -r $target
fi