Herokuised Capistrano Tasks

info.rake

namespace :info do

  desc 'Show deployed revisions (releases)'
  task :releases do
    on roles(:app) do
      within deploy_path do
        with rails_env: "#{fetch(:stage)}" do
          deployed_releases = capture(:tac, revision_log)
          puts "=== #{fetch(:application)} releases:"
          puts deployed_releases
        end
      end
    end
  end

  desc 'Show current ruby version in the current_path'
  namespace :ruby do
    on roles(:app) do
      within current_path do
        with rails_env: "#{fetch(:stage)}" do
          output = capture(:ruby, '--version')
          puts "Current Ruby version in #{current_path}"
          puts output
        end
      end
    end
  end

  desc 'Show Config Vars (ENV)'
  task :env do
    on roles(:all) do
      within current_path do
        with rails_env: "#{fetch(:stage)}" do
          remote_env = capture(:env)
          puts "=== #{fetch(:application)} Config Vars"
          puts remote_env
        end
      end
    end
  end

  desc 'Show latest deployed revision (release)'
  task :rev do
    on roles(:app) do
      within current_path do
        with rails_env: "#{fetch(:stage)}" do
          revision = capture(:cat, "#{current_path}/REVISION")
          puts "=== #{fetch(:application)}'s latest deployed revision (release) is #{revision}"
        end
      end
    end
  end
end