title: Ruby on Rails whenever + capistrano v3 integration
body: <p>In my project im using whenever + capistrano, so here is my <code>Capfile</code>:</p>
  
  <pre><code>require 'capistrano/setup'
  require 'capistrano/deploy'
  require 'capistrano/rvm'
  require 'capistrano/bundler'
  require 'capistrano/rails/assets'
  require 'capistrano/rails/migrations'
  require 'whenever/capistrano'
  
  Dir.glob('lib/capistrano/tasks/*.cap').each { |r| import r }
  </code></pre>
  
  <p>Here is my <code>deployr.rb</code> file: </p>
  
  <pre><code>set :application, 'privet-mccafe'
  set :repo_url, 'git@codebasehq.com:digitalizm/mccafe-vk-privet-app/application.git'
  set :scm, :git
  set :branch, 'master'
  set :keep_releases, 5
  set :ssh_options, { forward_agent: true }
  
  set :bundle_roles, :all
  
  set :linked_files, %w{config/database.yml config/initializers/secret_token.rb}
  set :linked_dirs, %w{bin log tmp/pids tmp/cache tmp/sockets vendor/bundle public/system}
  
  namespace :deploy do
    desc 'Restart application'
    task :restart do
      on roles(:app), in: :sequence, wait: 5 do
        execute :mkdir, "-p #{release_path.join('tmp')}"
        execute :touch, release_path.join('tmp/restart.txt')
      end
    end
  end
  </code></pre>
  
  <p>and here is my <code>schedule.rb</code> file:</p>
  
  <pre><code>every 4.hours do
    rake "notifications:deliver"
  end
  </code></pre>
  
  <p>anyway, with executing <code>cap staging deploy</code>, im geting error:</p>
  
  <pre><code>cap aborted!
  undefined method `instance' for Capistrano::Configuration:Class
  /Users/xamenrax/.rvm/gems/ruby-2.0.0-p353/gems/whenever-0.8.4/lib/whenever/capistrano/recipes.rb:3:in `&lt;top (required)&gt;'
  /Users/xamenrax/.rvm/gems/ruby-2.0.0-p353/gems/whenever-0.8.4/lib/whenever/capistrano.rb:1:in `require'
  /Users/xamenrax/.rvm/gems/ruby-2.0.0-p353/gems/whenever-0.8.4/lib/whenever/capistrano.rb:1:in `&lt;top (required)&gt;'
  /Users/xamenrax/code/application/Capfile:7:in `require'
  /Users/xamenrax/code/application/Capfile:7:in `&lt;top (required)&gt;'
  /Users/xamenrax/.rvm/gems/ruby-2.0.0-p353/gems/capistrano-3.0.1/lib/capistrano/application.rb:22:in `load_rakefile'
  /Users/xamenrax/.rvm/gems/ruby-2.0.0-p353/gems/capistrano-3.0.1/lib/capistrano/application.rb:12:in `run'
  /Users/xamenrax/.rvm/gems/ruby-2.0.0-p353/gems/capistrano-3.0.1/bin/cap:3:in `&lt;top (required)&gt;'
  /Users/xamenrax/.rvm/gems/ruby-2.0.0-p353/bin/cap:23:in `load'
  /Users/xamenrax/.rvm/gems/ruby-2.0.0-p353/bin/cap:23:in `&lt;main&gt;'
  /Users/xamenrax/.rvm/gems/ruby-2.0.0-p353/bin/ruby_executable_hooks:15:in `eval'
  /Users/xamenrax/.rvm/gems/ruby-2.0.0-p353/bin/ruby_executable_hooks:15:in `&lt;main&gt;'
  (See full trace by running task with --trace)
  </code></pre>