Voyage install script

#!/bin/bash

# Voyage installation script

SCRIPT_NAME="$(basename $0)"
TARGET_DISK="$1"
TARGET_PART="$TARGET_DISK"1
TARGET_LABEL="DEXGate"
TARGET_MOUNT="/mnt/tmp-$(echo $TARGET_DISK|cut -d/ -f3)"
SOURCE_TAR="yourvoyageimage.tar"

unmount_target_partition(){

umount "$TARGET_PART"
}

generate_partition_table(){

SFDISKCMD='0,,L,*\n;\n;\n;'

echo -e "$SFDISKCMD"|sfdisk "$TARGET_DISK"

if [ -d "$TARGET_MOUNT" ]
then
  echo "Mount directory exist!"
else
  mkdir "$TARGET_MOUNT"
  echo "Create $TARGET_MOUNT.."
fi
}

format_target_partition(){

mkfs.ext2 "$TARGET_PART"
tune2fs -i 28 -c 28 -C -1 "$TARGET_PART" -L "$TARGET_LABEL"
}

mount_target_partition(){

if [ -d $TARGET_MOUNT ]; then
    echo "Mounting point already exists"
else
    echo "Creating mounting point: $TARGET_MOUNT"
    mkdir $TARGET_MOUNT
fi

mount "$TARGET_PART" "$TARGET_MOUNT"
}

copy_image(){

#cd "$SOURCE_DIR"
#dd if="$SOURCE_TAR"|pv|tar xf - -C "$TARGET_MOUNT"
pv "$SOURCE_TAR" | tar xf - -C "$TARGET_MOUNT"
}

setup_chroot(){

echo "Set up chroot"
mount -o bind /dev "$TARGET_MOUNT/dev"
}

setup_grub(){

# "hd5" should be dynamic like "$TARGET_DISK"
echo "Write (hd5) $TARGET_DISK to $TARGET_MOUNT/boot/grub/device.map.."
echo "(hd5) $TARGET_DISK">"$TARGET_MOUNT/boot/grub/device.map"

# this part relates more to setup_chroot()
echo "Setup grub under chroot $TARGET_MOUNT.."

RES=$(chroot $TARGET_MOUNT /usr/sbin/grub \
    --device-map=/boot/grub/device.map  <<EOF
setup (hd5) (hd5,0)
quit
EOF
)

echo "$RES"

if [ $? -ne 0 ]
then
  err_quit "Trouble running grub - dialog was: $RES"
fi
}

cleanup(){

echo "Delete $TARGET_MOUNT/boot/grub/device.map.."
rm "$TARGET_MOUNT/boot/grub/device.map"

echo "Unmount $TARGET_MOUNT/dev.."
umount "$TARGET_MOUNT/dev"

echo "Unmount partition.."
umount "$TARGET_PART"
sync
}

install_voyage(){

unmount_target_partition
generate_partition_table
format_target_partition
mount_target_partition
copy_image
setup_chroot
setup_grub
cleanup
}

if [ "$(id -u)" != "0" ]; then
   echo "This script must be run as root" 1>&2
   exit 1
fi


if [ $# -eq 1 ] && [ -b "$1" ];
then
  install_voyage
else
  echo "Usage: $SCRIPT_NAME <disk>"
  exit
fi