#!/bin/sh

# Display usage
cpack_usage()
{
  cat <<EOF
Usage: $0 [options]
Options: [defaults in brackets after descriptions]
  --help            print this message
  --prefix=dir      directory in which to install
  --include-subdir  include the @CPACK_PACKAGE_FILE_NAME@ subdirectory
  --exclude-subdir  exclude the @CPACK_PACKAGE_FILE_NAME@ subdirectory
EOF
  exit 1
}

# Display version
cpack_version()
{
  echo "@CPACK_PACKAGE_NAME@ Installer Version: @CPACK_PACKAGE_VERSION@, Copyright (c) @CPACK_PACKAGE_VENDOR@"
}

# Helper function to fix windows paths.
cpack_fix_slashes ()
{
  echo "$1" | sed 's/\\/\//g'
}


for a in "$@CPACK_AT_SIGN@"; do
  if echo $a | grep "^--prefix=" > /dev/null 2> /dev/null; then
    cpack_prefix_dir=`echo $a | sed "s/^--prefix=//"`
    cpack_prefix_dir=`cpack_fix_slashes "${cpack_prefix_dir}"`
  fi
  if echo $a | grep "^--help" > /dev/null 2> /dev/null; then
    cpack_usage 
  fi
  if echo $a | grep "^--version" > /dev/null 2> /dev/null; then
    cpack_version 
    exit 2
  fi
  if echo $a | grep "^--include-subdir" > /dev/null 2> /dev/null; then
    cpack_include_subdir=TRUE
  fi
  if echo $a | grep "^--exclude-subdir" > /dev/null 2> /dev/null; then
    cpack_include_subdir=FALSE
  fi
done

cpack_version
echo "This is a self-extracting archive."
toplevel="`pwd`"
if [ "x${cpack_prefix_dir}x" != "xx" ]
then
  toplevel="${cpack_prefix_dir}"
fi

echo "The archive will be extracted to: ${toplevel}"
echo ""

if [ "x${cpack_include_subdir}x" == "xx" ]
then
  echo "If you want to stop extracting, please press <ctrl-C>."
  echo "Include the subdirectory @CPACK_PACKAGE_FILE_NAME@" [Yn]: 
  read line
  if [ "x${line}x" != "xnx" -a "x${line}x" != "xNx" ]
  then
    cpack_include_subdir=TRUE
  fi
fi

if [ "x${cpack_include_subdir}x" == "xTRUEx" ]
then
  toplevel="${toplevel}/@CPACK_PACKAGE_FILE_NAME@"
  mkdir -p "${toplevel}"
fi
echo "Extracting... Please wait..."
echo ""

# take the archive portion of this file and pipe it to tar
# the NUMERIC parameter in this command should be one more
# than the number of lines in this header file
tail -n +###CPACK_HEADER_LENGTH### "$0" | gunzip | (cd "${toplevel}" && tar xf -)

exit 0
#-----------------------------------------------------------
#      Start of TAR.GZ file
#-----------------------------------------------------------;