custom_plan.rb

require 'zeus/rails'

class CustomPlan < Zeus::Rails

  # def my_custom_command
  #  # see https://github.com/burke/zeus/blob/master/docs/ruby/modifying.md
  # end
  def spec(argv=ARGV)
    # disable autorun in case the user left it in spec_helper.rb
    RSpec::Core::Runner.disable_autorun!
    exit RSpec::Core::Runner.run(argv)
  end
end

Zeus.plan = CustomPlan.new