Notify Campfire of a deploy

my_recipe.rb

require 'etc'
require 'broach'

Capistrano::Configuration.instance(:must_exist).load do
  task "notify campfire" do
    source_repo_url = repository
    deployer = Etc.getlogin
    deploying = `git rev-parse HEAD`[0,7]
    begin
      deployed = previous_revision[0,7]
    rescue
      deployed = "000000"
    end
    compare_url = "#{source_repo_url}/compare/#{deployed}...#{deploying}"
    Broach.settings = { 'account' => 'pietj', 'token' => '06f8ccb294e0cbe916a9e57e4884ec5501ebb745' }

    Broach.speak('Room 1',
      "#{deployer} is deploying #{application}" +
      " (#{deployed}..#{deploying}) " +
      "with `cap #{ARGV.join(' ')}` (#{compare_url})"
    )
  end
end