cmd="$0"

  if test "`basename $0`" = "$0"; then

    cmd="./$0"

  fi

  echo "This script is designed to be run using GNU bash."

  echo "Try: chmod +x $0 && $cmd"

  exit 1

  test -n "$1" || return 1

  local i

  local part

  for (( i=1; ; i++ )); do

    part=`echo "$PATH" | cut -d ':' -f $i`

    test -n "$part" || return 1

    if test -x "$part/$1"; then

      echo "$part/$1"

      return 0

    fi

  done

  local out

  local r

  out=`my_which_real "$1"`

  r=$?

  if [ -z "$out" -o $r = 1 ]; then

    echo "ERROR: $1 command not found on system" 1>&2

    exit 1

  fi

  echo $out

  return $r

# Show the extraction progress spinner.

# Spins the propeller one time for each line on stdin

  local i

  local pbar

  local line

  i=0

# Create a temp directory. Very bad in terms of randomness source, but hey, I'm a security major. Can't help it.

  local tempdir

  tempdir=/tmp/ext`$dd if=/dev/urandom bs=128 count=1 2>/dev/null | $md5sum - | cut -c 1-6`

  echo $tempdir

  return 0

# Outputs the raw compressed tarball data on stdout.

  offset=`$cat $0 | $grep -an '^##DATA' | cut -d ':' -f 1 || exit 1`

  offset=$((offset + 1))

  $cat $0 | $tail -n+$offset

# Go through each required command, and make sure it's on the system. If not, fail.

  my_which $cmd>/dev/null || exit 1

  eval $cmd=`my_which $cmd`

  if test x$? = x1; then

    exit 1

  fi

  case "$1" in

    -x)

      extractonly=1

      if test -n "$2"; then

        tempdir=$2

      else

        tempdir=`echo $0 | sed -re 's/\.[a-z0-9_-]{1,5}$//'`

      fi

      ;;

  esac

  shift

# Make sure we have a working temp directory

if [ -d "$tempdir" ]; then

  if [ $extractonly = 1 ]; then

    i=0

    basetemp="$tempdir"

    while test -d "$tempdir"; do

      tempdir="${basetemp}${i}"

      ((i++))

    done

  else

    while test -d "$tempdir"; do

      tempdir=`mktempdir`

    done

  fi

# Finally, extract the data.

# clear out the extraction progress

  # added in rev. 2, interrupts should cause an error exit

  exit 1

  # Run the autorun script

  $tempdir/autorun.sh

  ret=$?

  rm -rf $tempdir

  exit $ret

  # Just let the user know where the files are and die.

  echo "Contents extracted to $tempdir."

# free our trap on signals

# done!

# don't touch this marker! Everything after this is expected to be binary data.