Class: Rails::Command::RunnerCommand

Inherits:
Base show all
Includes:
EnvironmentArgument
Defined in:
railties/lib/rails/commands/runner/runner_command.rb

Overview

:nodoc:

Class Method Summary collapse

Instance Method Summary collapse

Methods included from ActiveSupport::Concern

#append_features, #class_methods, extended, #included

Methods inherited from Base

base_name, command_name, default_command_root, desc, engine?, executable, exit_on_failure?, #help, hide_command!, inherited, namespace, perform, printing_commands, usage_path

Methods included from Actions

#load_generators, #load_tasks, #require_application!, #require_application_and_environment!, #require_environment!, #set_application_directory!

Class Method Details



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# File 'railties/lib/rails/commands/runner/runner_command.rb', line 19

def self.banner(*)
  "#{super} [<'Some.ruby(code)'> | <filename.rb> | -]"
end

Instance Method Details

#perform(code_or_file = nil, *command_argv) ⇒ Object 



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# File 'railties/lib/rails/commands/runner/runner_command.rb', line 23

def perform(code_or_file = nil, *command_argv)
  extract_environment_option_from_argument

  unless code_or_file
    help
    exit 1
  end

  ENV["RAILS_ENV"] = options[:environment]

  require_application_and_environment!
  Rails.application.load_runner

  ARGV.replace(command_argv)

  if code_or_file == "-"
    eval($stdin.read, TOPLEVEL_BINDING, "stdin")
  elsif File.exist?(code_or_file)
    $0 = code_or_file
    Kernel.load code_or_file
  else
    begin
      eval(code_or_file, TOPLEVEL_BINDING, __FILE__, __LINE__)
    rescue SyntaxError, NameError => e
      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
      exit 1
    end
  end
end