/build/scripts/image_hd_syslinux

#!/bin/bash

# Copyright (c) 2012 The tyndur Project. All rights reserved.
#
# This code is derived from software contributed to the tyndur Project
# by Arne Hasselbring.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions
# are met:
# 1. Redistributions of source code must retain the above copyright
#    notice, this list of conditions and the following disclaimer.
# 2. Redistributions in binary form must reproduce the above copyright
#    notice, this list of conditions and the following disclaimer in the
#    documentation and/or other materials provided with the distribution.
# 3. All advertising materials mentioning features or use of this software
#    must display the following acknowledgement:
#     This product includes software developed by the tyndur Project
#     and its contributors.
# 4. Neither the name of the tyndur Project nor the names of its
#    contributors may be used to endorse or promote products derived
#    from this software without specific prior written permission.
#
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
# ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
# TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
# PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT HOLDERS OR
# CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
# EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
# PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
# OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
# WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
# OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
# ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

ROOT=build/root
ROOT_COMMON=build/root-common
ROOT_HD=build/root-hd
ROOT_LOCAL=build/root-local
MOUNT=build/mnt
SUDO=sudo

export PATH=$PATH:/usr/local/sbin:/usr/sbin:/sbin

export LOST_BUILDMK_ROOT="`pwd`"
source build/config/image_hd.sh
source config.sh

die()
{
    echo $1
    exit -1
}

# Wenn das Image neu erstellt werden muss, kommen noch ein paar schritte mehr
# dazu.
NEW=0
if ! [ -f $IMAGE_PATH ]; then
    # Leeres Image erstellen und formatieren
    dd of=$IMAGE_PATH bs=$((1024 * 1024)) seek=$IMAGE_SIZE count=0
    build/scripts/create_partition $IMAGE_PATH
    NEW=1
fi


# Start und Ende der Partition einlesen
PARTITIONS="`build/scripts/get_partition $IMAGE_PATH`"
PART_START=`echo $PARTITIONS | awk '{print $1}'`
PART_SIZE=`echo $PARTITIONS | awk '{print $2}'`

if [ $NEW -ne 0 ]; then
    LOOP_DEV=`$SUDO losetup -f $IMAGE_PATH --sizelimit $(($PART_SIZE * 512)) -o $(($PART_START * 512)) --show`
    if [ $? -ne 0 ]; then
        die "Loop Device konnte nicht angelegt werden"
    fi

    # Dateisystem erstellen
    $SUDO $LOST_TOOLS_MKE2FS -T ext2 -F -q $LOOP_DEV || die "Dateisystem konnte nicht erstellt werden"

    $SUDO losetup -d $LOOP_DEV
fi

# Partition mounten
mkdir -p $MOUNT
$SUDO mount $IMAGE_PATH $MOUNT -t ext2 -o loop,offset=$((${PART_START} * 512))
$SUDO chmod 777 -Rf $MOUNT

# Daten Kopieren
cp -rP --preserve=links,timestamps $ROOT/* $ROOT_COMMON/* $ROOT_HD/* $MOUNT/
[ -d $ROOT_LOCAL ] && cp -rP --preserve=links,timestamps $ROOT_LOCAL/* $MOUNT/

# Syslinux-Konfiguration kopieren
mkdir -p $MOUNT/boot/syslinux
rm -f $MOUNT/boot/syslinux/syslinux.cfg
cat build/config/syslinux_hd.cfg >> $MOUNT/boot/syslinux/syslinux.cfg


# Syslinux installieren und Dateien kopieren
if [ $NEW -ne 0 ]; then
    $SUDO extlinux --install $MOUNT/boot/syslinux
    cp $LOST_SYSLINUX_DIR/mboot.c32 $MOUNT/boot/syslinux
    cp $LOST_SYSLINUX_DIR/menu.c32 $MOUNT/boot/syslinux
fi

# Partition unmounten und loopback-Device freigeben
while fuser -m $MOUNT; do true; done
$SUDO umount $MOUNT
rmdir $MOUNT

# MBR installieren
if [ $NEW -ne 0 ]; then
    printf '\1' | cat $LOST_SYSLINUX_DIR/altmbr.bin - | dd bs=440 count=1 conv=notrunc iflag=fullblock of=$IMAGE_PATH
fi