if File.exists? Rails.root.join('unicorn.rb') namespace :unicorn do desc 'Start unicorn server' task :start => :stop do if File.exists? Rails.root.join('config.ru') cmd = 'unicorn' else cmd = 'unicorn_rails' end cmd << ' -c unicorn.rb -E production -D' zfben_rails_rake_system cmd end desc 'Stop unicorn server' task :stop do if File.exists? Rails.root.join('tmp/unicorn.pid') zfben_rails_rake_system 'kill -QUIT `cat tmp/unicorn.pid`' sleep 1 zfben_rails_rake_system 'rm tmp/unicorn.pid' end end desc 'Hot restart unicorn server' task :restart do if File.exists? Rails.root.join('tmp/unicorn.pid') zfben_rails_rake_system 'kill -USR2 `cat tmp/unicorn.pid`' end end end end