class Rails::Command::RunnerCommand

def help(command_name = nil, *)
  super
  if command_name == "runner"
    say ""
    say self.class.class_usage
  end
end

def looks_like_a_file_path?(code_or_file)
  code_or_file.ends_with?(".rb")
end

def perform(code_or_file = nil, *command_argv)
  unless code_or_file
    help
    exit 1
  end
  boot_application!
  Rails.application.load_runner
  ARGV.replace(command_argv)
  if code_or_file == "-"
    Rails.application.executor.wrap(source: "application.runner.railties") do
      eval($stdin.read, TOPLEVEL_BINDING, "stdin")
    end
  elsif File.exist?(code_or_file)
    expanded_file_path = File.expand_path code_or_file
    $0 = expanded_file_path
    Rails.application.executor.wrap(source: "application.runner.railties") do
      Kernel.load expanded_file_path
    end
  else
    begin
      Rails.application.executor.wrap(source: "application.runner.railties") do
        eval(code_or_file, TOPLEVEL_BINDING, __FILE__, __LINE__)
      end
    rescue SyntaxError, NameError => e
      if looks_like_a_file_path?(code_or_file)
        error "The file #{code_or_file} could not be found, please check and try again."
        error "Run '#{self.class.executable} -h' for help."
      else
        error "Please specify a valid ruby command or the path of a script to run."
        error "Run '#{self.class.executable} -h' for help."
        error ""
        error e
      end
      exit 1
    end
  end
end