#! /usr/bin/env sh

if [ $# -ne 1 ]
then
  echo "Usage: $0 sdx" >&2
  exit 64
fi

disk="/dev/$1"
partition=3

if [ ! -b "${disk}" ]
then
  echo "${disk} does not exists or is not a valid device" >&2
  exit 1
fi

echo "Copying image..."
dd if=prololive.img of="${disk}" || {
  echo "Failed to copy image" >&2
  exit 2
}

echo "Creating data partition..."
echo "n\np\n${partition}\n\n\nw\n" | sudo fdisk "${disk}" || {
  echo "Failed to create data partition" >&2
  exit 3
}

echo "Creating data partition filesystem..."
sudo mkfs.fat -n data -F 32 "${disk}${partition}" || {
  echo "Failed to create data partition filesystem" >&2
  exit 4
}