#!/usr/bin/env ruby

=begin

  ############################################################
  @author:    Riccardo Carlesso
  @email:     riccardo.carlesso@gmail.com
  @maturity:  development
  @language:  Ruby
  @synopsis:  Checks for Sakura new Version
  @tags:      development, rcarlesso, production
 ############################################################

=end

  require 'optparse'       # http://ruby.about.com/od/advancedruby/a/optionparser.htm
  require 'open-uri'
  
  $myconf = {
    :sakura_version_online            => 'https://raw.github.com/palladius/sakura/master/VERSION',
  }

  $PROG_VER = '0.9.1'
  $DEBUG    = false
  
  def usage(comment=nil)
    puts "#{$0} v.#{$PROG_VER}"
    puts "Usage: #{File.basename $0} [-dhjv] [-l LOGFILE] <FOO> <BAR>"
    deb $opts
    pred comment if comment
    exit 11
  end

  def main
    debug_on 'Just created script, presuming u need some debug. TODO REMOVE ME when everything works!' if $DEBUG
    current_version = File.open(ENV['SAKURADIR'] + "VERSION").read.to_s.chomp
    online_version = open($myconf[:sakura_version_online]).read.chomp rescue "1.2.3 err(#{$!})"
    if (online_version == current_version)
      puts "Your Sakura system is up to date: '#{online_version}'"
      exit 0
    else
      # Note I have no concept whatsoever of newer or older, just different :)
      puts "Hey!! Newer version available on the web: '#{online_version}' (You have '#{current_version}'). Go get it:\n\tgit pull origin master"
      exit 1
    end
  end

main