Monkeypatch for Thor `run_or_die` action

thor_run_or_die.rb

require 'thor'
module Thor
  class CommandFailedError < Error; end

  module Actions
    # runs command, raises CommandFailedError unless exit status is 0.
    def run_or_die(command, config={})
      result = run(command, config)
      if behavior == :invoke && $?.exitstatus != 0
        message = "#{command} failed with %s" % ($?.exitstatus ? "exit status #{$?.exitstatus}" : "no exit status (likely force killed)")
        raise Thor::CommandFailedError.new(message)
      end
      result
    end

  end
end