Capistrano server tail

server.cap

namespace :server do
  desc "Tail server log"
  task :tail do
    on roles(:app) do
      trap("INT") { puts puts "\e[0;36mInterrupted\e[1;0m"; exit 0; }
      trap("SIGINT") { puts puts "\e[0;36mInterrupted\e[1;0m"; exit 0; }

      latest_log = capture(sprintf("ls -tr /var/www/%s/shared/app/storage/logs/*.txt | tail -1 | head -1", fetch(:stage)))

      if(!latest_log.empty?)
        tail_command = sprintf("tail -f -n10 %s", latest_log)
        puts "\e[0;36mrunning tail -f -n10 #{latest_log}\e[1;0m"
        execute("#{tail_command}")
      else
        puts "No log to tail."
      end

    end
  end
end