Rake Task

rake_task

namespace :time_travel do

  desc "Description of the lightning task"
  task :lightning do |t|
   # ...
  end
  
  desc "Description of the de_lorean task"
  task :de_lorean do |t|
   # ...
  end

  desc "Travel back in time to the passed in date, prerequisites: lightning and de_lorean. Usage: rake time_travel:back 2011-07-18 17:00:00"
  task :back, [:date] => [:lightning, :de_lorean] do |t, args|
    # Do it
  end
end