Class: Rake::FileCreationTask

Inherits:

FileTask

• Object
• Task
• FileTask
• Rake::FileCreationTask

Defined in:

lib/rake/file_creation_task.rb

Overview

A FileCreationTask is a file task that when used as a dependency will be needed if and only if the file has not been created. Once created, it is not re-triggered if any of its dependencies are newer, nor does trigger any rebuilds of tasks that depend on it whenever it is updated.

Instance Attribute Summary

Attributes inherited from Task

#actions, #already_invoked, #application, #locations, #order_only_prerequisites, #prerequisites, #scope, #sources

Instance Method Summary

• #needed? ⇒ Boolean

  Is this file task needed? Yes if it doesn't exist.

• #timestamp ⇒ Object

  Time stamp for file creation task.

Methods inherited from FileTask

scope_name

Methods inherited from Task

[], #add_description, #all_prerequisite_tasks, #arg_description, #arg_names, #clear, clear, #clear_actions, #clear_args, #clear_comments, #clear_prerequisites, #comment, #comment=, create_rule, define_task, #enhance, #execute, format_deps, #full_comment, #initialize, #inspect, #investigation, #invoke, #invoke_prerequisites, #invoke_prerequisites_concurrently, #name, #name_with_args, #prerequisite_tasks, #reenable, scope_name, #set_arg_names, #source, task_defined?, tasks, #to_s, #|

Constructor Details

This class inherits a constructor from Rake::Task

Instance Method Details

#needed? ⇒ Boolean

Is this file task needed? Yes if it doesn't exist.

Returns:

• (Boolean)

# File 'lib/rake/file_creation_task.rb', line 14

def needed?
  !File.exist?(name)
end

#timestamp ⇒ Object

Time stamp for file creation task. This time stamp is earlier than any other time stamp.

# File 'lib/rake/file_creation_task.rb', line 20

def timestamp
  Rake::EARLY
end