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Class: Rails::Command::RakeCommand

Do not use. This class is for internal use only.
Relationships & Source Files
Super Chains via Extension / Inclusion / Inheritance
Class Chain:
self, Actions, Base, Thor
Instance Chain:
self, Base, Actions, Thor
Inherits: Rails::Command::Base
Defined in: railties/lib/rails/commands/rake/rake_command.rb

Class Attribute Summary

Base - Inherited

.bin, .bin?,
.engine?

Returns true when the app is a Rails engine.
.exit_on_failure?

Class Method Summary

Actions - Extended

boot_application!, load_environment_config!,
load_generators

See additional method definition at line 36.
load_tasks

See additional method definition at line 31.
require_application!,
set_application_directory!

Change to the application’s path if there is no config.ru file in current directory.

Base - Inherited

.banner,
.base_name

Sets the base_name taking into account the current class namespace.
.command_name

Return command name without namespaces.
.default_command_root

Default file root to place extra files a command might need, placed one folder above the command file.
.desc

Tries to get the description from a USAGE file one folder above the command root.
.executable,
.hide_command!

Convenience method to hide this command from the available ones when running rails command.
.namespace

Convenience method to get the namespace from the class name.
.printing_commands,
.usage_path

Path to lookup a USAGE description in a file.
.create_command

Allow the command method to be called perform.
.namespaced_name, .resolve_path, .class_usage,
.help

Override Thor’s class-level help to also show the USAGE.
.inherited, .perform

Instance Method Summary

Actions - Included

#boot_application!, #load_environment_config!,
#load_generators

See additional method definition at line 36.
#load_tasks

See additional method definition at line 31.
#require_application!,
#set_application_directory!

Change to the application’s path if there is no config.ru file in current directory.

Class Method Details

.non_app_file_pattern (private)

[ GitHub ] 

  


# File 'railties/lib/rails/commands/rake/rake_command.rb', line 32



def non_app_file_pattern
  /\A(?!#{Regexp.quote Rails::Command.root.to_s})/
end


  








  

    .perform(task, args, config)  
  

  [ GitHub ]


  

  


# File 'railties/lib/rails/commands/rake/rake_command.rb', line 19



def perform(task, args, config)
  with_rake(task, *args) do |rake|
    if unrecognized_task = rake.top_level_tasks.find { |task| !rake.lookup(task[/[^\[]+/]) }
      @rake_tasks = rake.tasks
      raise UnrecognizedCommandError.new(unrecognized_task)
    end

    rake.options.suppress_backtrace_pattern = non_app_file_pattern
    rake.standard_exception_handling { rake.top_level }
  end
end


  








  

    .printing_commands  
  

  [ GitHub ]


  

  


# File 'railties/lib/rails/commands/rake/rake_command.rb', line 11



def printing_commands
  rake_tasks.filter_map do |task|
    if task.comment && task.locations.any?(non_app_file_pattern)
      [task.name_with_args, task.comment]
    end
  end
end


  








  

    .rake_tasks   (private)
  

  [ GitHub ]


  

  


# File 'railties/lib/rails/commands/rake/rake_command.rb', line 49



def rake_tasks
  @rake_tasks ||= with_rake(&:tasks)
end


  








  

    .with_rake(*args, &block)   (private)
  

  [ GitHub ]


  

  


# File 'railties/lib/rails/commands/rake/rake_command.rb', line 36



def with_rake(*args, &block)
  require "rake"
  Rake::TaskManager.record_task_metadata = true

  result = nil
  Rake.with_application do |rake|
    rake.init(bin, args) unless args.empty?
    rake.load_rakefile
    result = block.call(rake)
  end
  result
end