Travis build notifications for Apple Notification Center

Gemfile

source :rubygems 

gem 'terminal-notifier'
gem 'pusher-client', :git => 'git://github.com/pusher/pusher-ruby-client.git'

travis.rb

require 'terminal-notifier'
require 'pusher-client'
require 'json'
require 'pp'

class Travis
  attr_accessor :watchlist

  # Initialize a new connection to travis feed
  #
  # publisher_token - Valid pusher token
  # watchlist - Array or repositories to watch
  # 
  def initialize(pusher_token, watchlist=[])
    @socket    = PusherClient::Socket.new(pusher_token)
    @watchlist = watchlist
  end

  def start
    @socket.subscribe('common')
    @socket['common'].bind('build:finished') do |data|
      n = make_notification(parse_build(data))
      if watchlist.empty?
        add_notification(n)
      else
        add_notification(n) if watchlist.include?(n[:title])
      end
    end
    @socket.connect
  end

  private

  def parse_build(payload)
    JSON.parse(payload)
  end

  def make_notification(data)
    id      = data['build']['id']
    number  = data['repository']['last_build_number']
    result  = data['build']['result'] == 0 ? 'PASSED' : 'FAILED'
    title   = data['repository']['slug']
    message =  "Build ##{number} #{result}"
    url     = "http://travis-ci.org/#!/#{title}/builds/#{id}"
    {:title => title, :message => message, :url => url}
  end

  def add_notification(n)
    TerminalNotifier.notify(n[:message], :title => n[:title], :open => n[:url])
  end
end

travis = Travis.new('23ed642e81512118260e')
travis.start