Making Capistrano post to Humbug on deploy

deploy.rb

after 'deploy:create_symlink', 'notify:humbug'

namespace :notify do
  desc "Post a message to Humbug that we've deployed"
  task :humbug do
    # this will post to Humbug as the user defined in ~/.humbugrc
    run_locally "echo ':beers: I just deployed to #{stage}! :beers:' | humbug-send --stream commits --subject deployments || true"
  end
end