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SYSLINUX=$IMGPATH/usr/lib/syslinux/syslinux-nomtools

if [ ! -f $SYSLINUX ]; then
  echo "Warning: nomtools syslinux doesn't exist"
  SYSLINUX=$IMGPATH/usr/bin/syslinux
  if [ ! -f $SYSLINUX ]; then
    echo "$SYSLINUX doesn't exist"
    exit 1
  fi
fi

# prepare a directory with the kernel, initrd, and various message files
# used to populate a boot image
prepareBootTree() {
	(cd $BOOTDISKDIR; find . -maxdepth 1 ! -name "*.msg" ! -type d | cpio --quiet -p $MBD_BOOTTREE)
	
	cp $MBD_FSIMAGE $MBD_BOOTTREE/initrd.img
	cp $KERNELROOT/boot/vmlinuz-* $MBD_BOOTTREE/vmlinuz

	if [ -n "$NEEDGR" ]; then
	    if [ -f $IMGPATH/usr/lib/anaconda-runtime/syslinux-vesa-splash.jpg ]; then
		cp $IMGPATH/usr/lib/anaconda-runtime/syslinux-vesa-splash.jpg $MBD_BOOTTREE/splash.jpg
		cp $IMGPATH/usr/lib/syslinux/vesamenu.c32 $MBD_BOOTTREE/vesamenu.c32
		sed -i s'/default linux/default vesamenu.c32/g' $MBD_BOOTTREE/syslinux.cfg
		sed -i 's/prompt 1/#prompt 1/g' $MBD_BOOTTREE/syslinux.cfg
	    elif [ -x $IMGPATH/usr/lib/anaconda-runtime/splashtolss.sh ]; then
		$IMGPATH/usr/lib/anaconda-runtime/splashtolss.sh $BOOTDISKDIR/syslinux-splash.png $BOOTDISKDIR/splash.lss
		if [ $? != 0 ]; then
		    echo $0: Failed to create splash.lss
		    exit 1
		fi    
		cp $BOOTDISKDIR/splash.lss $MBD_BOOTTREE/splash.lss
	    elif [ -f $IMGPATH/usr/lib/anaconda-runtime/splash.lss ]; then
		cp $IMGPATH/usr/lib/anaconda-runtime/splash.lss $MBD_BOOTTREE/splash.lss
	    fi
	fi

	rm -f $MBD_BOOTTREE/syslinux-splash.png
	sed -i "s/@PRODUCT@/$PRODUCT/g" $MBD_BOOTTREE/syslinux.cfg
	sed -i "s/@VERSION@/$VERSION/g" $MBD_BOOTTREE/syslinux.cfg

	rm -f $MBD_BOOTTREE/memtest*
	for file in $BOOTDISKDIR/*.msg; do
	    filename=`basename $file`
	    sed -e "s/@VERSION@/$VERSION/g" $file > $MBD_BOOTTREE/$filename
	done
	if [ $? != 0 ]; then
	    echo $0: Failed to copy messages from $BOOTDISKDIR to $MBD_BOOTTREE.
	    umount $MBD_BOOTTREE
	    rm -rf $MBD_BOOTTREE $MBD_TMPIMAGE
	    exit 1
	fi
}

mkdir -p $TOPDESTPATH/images/pxeboot
cat > $TOPDESTPATH/images/README <<EOF
This directory contains image files that can be used to create media
capable of starting the $PRODUCT installation process.

The boot.iso file is an ISO 9660 image of a bootable CD-ROM.  It is useful
in cases where the CD-ROM installation method is not desired, but the
CD-ROM's boot speed would be an advantage.

To use this image file, burn the file onto CD-R (or CD-RW) media as you
normally would.

The diskboot.img file is a VFAT filesystem image that can be written to a
USB pendrive or other bootable media larger than a floppy.  Note that
booting via USB is dependent on your BIOS supporting this.  It should
be written to the device using dd.
EOF

makeBootImages() {
  if [ "$kerneltag" != "xen" ]; then
    echo "Building initrd.img"
    makeinitrd --initrdto $TOPDESTPATH/images/pxeboot/initrd.img \
	--initrdsize 8192 \
	--loaderbin loader \
	--modules "$INITRDMODS"
    [ $? = 0 ] || exit 1

    if [ -f $IMGPATH/usr/lib/syslinux/isolinux.bin ]; then
	echo "Building isolinux directory"
	MBD_BOOTTREE=$TOPDESTPATH/isolinux
	MBD_FSIMAGE=$TOPDESTPATH/images/pxeboot/initrd.img
	mkdir $MBD_BOOTTREE
	cp $IMGPATH/usr/lib/syslinux/isolinux.bin $MBD_BOOTTREE/isolinux.bin

	prepareBootTree

	# isolinux needs the config file to be isolinux.cfg
	mv $MBD_BOOTTREE/syslinux.cfg $MBD_BOOTTREE/isolinux.cfg

	# copy in memtest if present
	if [ -f $IMGPATH/usr/lib/anaconda-runtime/boot/memtest* ]; then
           cp $IMGPATH/usr/lib/anaconda-runtime/boot/memtest* $MBD_BOOTTREE/memtest
           echo -e "label memtest86\n  menu label ^Memory test\n  kernel memtest\n  append -\n" >> $MBD_BOOTTREE/isolinux.cfg
	fi
    else
	echo "No isolinux binaries.  Skipping isolinux creation"
    fi

    # symlink the kernel for pxe dir
    ln $TOPDESTPATH/isolinux/vmlinuz $TOPDESTPATH/images/pxeboot/vmlinuz

    # now make a boot iso
    mkdir -p $TOPDESTPATH/images/isopath
    cp -rl $TOPDESTPATH/isolinux $TOPDESTPATH/images/isopath
    mkisofs -quiet -o $TOPDESTPATH/images/boot.iso -b isolinux/isolinux.bin -c isolinux/boot.cat -no-emul-boot -boot-load-size 4 -boot-info-table -R -J -V "$PRODUCT" -T $TOPDESTPATH/images/isopath
    rm -rf $TOPDESTPATH/images/isopath

    # now make a boot pendrive image
    mkdir -p $TOPDESTPATH/images/fobpath
    dd if=/dev/zero of=$TOPDESTPATH/images/diskboot.img bs=1M count=12 2>/dev/null
    cp -r $TOPDESTPATH/isolinux/* $TOPDESTPATH/images/fobpath/
    grep -v local $TOPDESTPATH/images/fobpath/isolinux.cfg > $TOPDESTPATH/images/fobpath/syslinux.cfg
    rm -f $TOPDESTPATH/images/fobpath/isolinux.cfg
    /usr/bin/makebootfat -v -o $TOPDESTPATH/images/diskboot.img -Y -b /usr/share/syslinux/ldlinux.bss -m /usr/share/makebootfat/x86/mbrfat.bin -F -Z -c /usr/share/syslinux/ldlinux.sys $TOPDESTPATH/images/fobpath/
    rmdir $TOPDESTPATH/images/fobpath

    cat > $TOPDESTPATH/images/pxeboot/README <<EOF
The files in this directory are useful for booting a machine via PXE.  

The following files are available:
vmlinuz - the kernel used for the installer
initrd.img - an initrd with support for all install methods and
    drivers supported for installation of $PRODUCT
EOF
    cat << __EOT__ >> $TOPDESTPATH/.treeinfo
[images-$BASEARCH]
kernel = images/pxeboot/vmlinuz
initrd = images/pxeboot/initrd.img
boot.iso = images/boot.iso
diskboot.img = images/diskboot.img

__EOT__
  else # set up the boot stuff for the xen guest kernel
    echo "Building $KERNELARCH guest initrd.img"
    mkdir -p $TOPDESTPATH/images/xen
    makeinitrd --initrdto $TOPDESTPATH/images/xen/initrd.img \
	--initrdsize 8192 \
	--loaderbin loader \
	--modules "$INITRDMODS"
    [ $? = 0 ] || exit 1
    cp $KERNELROOT/boot/vmlinuz-*xen* $TOPDESTPATH/images/xen/vmlinuz
    cat << __EOT__ >> $TOPDESTPATH/.treeinfo
[images-xen]
kernel = images/xen/vmlinuz
initrd = images/xen/initrd.img

__EOT__
  fi
}