require_relative('./environment.rb')
require 'time'

class Pull < Array

  def initialize
    update
  end

  def update
    if(Environment.scm=='git')
	  last_pull_time=nil
	  last_pull_time = Time.parse(File.read('log/last_pull').strip) if(File.exist?('log/last_pull'))
	  if(last_pull_time.nil? || (last_pull_time-Time.now) > 60*60*2)
	    self.add "<%`git pull 2>&1`%>"
		self.add "<%Dir.mkdir('log') if(!File.exists?('log'))%>"
	    self.add "<%File.open('log/last_pull','w'){|f|f.puts(Time.now.to_s)}%>"
	  end
	end
  end

  def add command
    self << command if(!include?(command))
  end
end