class RSpec::Core::Runner

def self.autorun
  return if installed_at_exit? || running_in_drb?
  @installed_at_exit = true
  at_exit { run(ARGV, $stderr, $stdout) ? exit(0) : exit(1) }
end

def self.installed_at_exit?
  @installed_at_exit ||= false
end

def self.run(args, err, out)
  if args.any? {|a| %w[--drb -X].include? a}
    run_over_drb(args, err, out) || run_in_process(args, err, out)
  else
    run_in_process(args, err, out)
  end
end

def self.run_in_process(args, err, out)
  CommandLine.new(args).run(err, out)
end

def self.run_over_drb(args, err, out)
  DRbCommandLine.new(args).run(err, out)
end

def self.running_in_drb?
  (DRb.current_server rescue false) &&
  !!((DRb.current_server.uri) =~ /druby\:\/\/127.0.0.1\:/)
end