class Foreman::Export::Runit

def export(location, options={})
  error("Must specify a location") unless location
  app = options[:app] || File.basename(engine.directory)
  user = options[:user] || app
  log_root = options[:log] || "/var/log/#{app}"
  template_root = options[:template]
  concurrency = Foreman::Utils.parse_concurrency(options[:concurrency])
  run_template = export_template('runit', 'run.erb', template_root)
  log_run_template = export_template('runit', 'log_run.erb', template_root)
  engine.procfile.entries.each do |process|
    1.upto(concurrency[process.name]) do |num|
      process_directory     = "#{location}/#{app}-#{process.name}-#{num}"
      process_env_directory = "#{process_directory}/env"
      process_log_directory = "#{process_directory}/log"
      create_directory process_directory
      create_directory process_env_directory
      create_directory process_log_directory
      run = ERB.new(run_template).result(binding)
      write_file "#{process_directory}/run", run
      port = engine.port_for(process, num, options[:port])
      environment_variables = {'PORT' => port}.
          merge(engine.environment).
          merge(inline_variables(process.command))
      environment_variables.each_pair do |var, env|
        write_file "#{process_env_directory}/#{var.upcase}", env
      end
      log_run = ERB.new(log_run_template).result(binding)
      write_file "#{process_log_directory}/run", log_run
    end
  end
end