#!/usr/bin/env ruby -w

require 'fileutils'

def usage
  puts "usage: #{File.basename( __FILE__ )} source_directory destination_directory"
end

if ARGV.length < 2 then
  usage
  exit( 1 )
else
  source_directory = ARGV[0].dup

  # FileUtils.cp_r uses the syntax "source_directory/." when specifying the source directory when
  # what is desired is to copy all contents of the source directory (rather than the directory itself).
  # Therefore we need to ensure that the source_directory variable we'll be using as an argument
  # to FileUtils.cp_r ends in '/.' ('\.' on Windows, and whatever else is appropriate on other OS's).
  Dot = '.'
  Slash_dot = "#{File::SEPARATOR}#{Dot}"

  if source_directory[-2..-1] != Slash_dot then
    if source_directory[-1..-1] != File::SEPARATOR then
      source_directory << Slash_dot
    else
      source_directory << Dot
    end
  end


  destination_directory = ARGV[1]
end

FileUtils.cp_r( source_directory, destination_directory, :preserve => TRUE )