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, #prepend_features, #prepended

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


19
20
21
# 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


23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
# 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