#!/usr/bin/env ruby
BEGIN {$VERBOSE = true}
require 'date'
require 'fileutils'
require 'time'
 
LOCAL_FILE = 'e_setup.exe'
REMOTE_FILE = 'http://opencompany.org/download/e_setup.exe'
WGET_CMD = '/usr/bin/wget --spider -S'
 
def download_run()
  `curl -R -O #{REMOTE_FILE}`
  puts "Setting file permissions..."
  `chmod +x #{LOCAL_FILE}`
  puts "Running setup."
  `cygstart #{LOCAL_FILE}`
end
 
unless File.exists?(LOCAL_FILE)
  download_run()
  exit()
end
 
puts "Checking modification times..."
begin
  mod_time = Time.parse(%x{#{WGET_CMD} #{REMOTE_FILE} 2>&1}.split("\n").grep(/Last-Modified:/)[0].split(": ")[1].chomp)
  if mod_time > File.mtime(LOCAL_FILE)
  puts "Remote file is newer.  Downloading..."
  download_run()
  else
    puts "Remote file no newer than local file.  Nothing to do."
  end
rescue
  puts "Error during download process: ",$!
  exit(false)
end