Class: Rake::FileTask

Inherits:
Task
  • Object
show all
Defined in:
lib/rake/file_task.rb

Overview

######################################################################### A FileTask is a task that includes time based dependencies. If any of a FileTask’s prerequisites have a timestamp that is later than the file represented by this task, then the file must be rebuilt (using the supplied actions).

Instance Attribute Summary

Attributes inherited from Task

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

Class Method Summary collapse

Instance Method Summary collapse

Methods inherited from Task

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

Constructor Details

This class inherits a constructor from Rake::Task

Class Method Details

.scope_name(scope, task_name) ⇒ Object

Apply the scope to the task name according to the rules for this kind of task. File based tasks ignore the scope when creating the name.



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# File 'lib/rake/file_task.rb', line 41

def scope_name(scope, task_name)
  task_name
end

Instance Method Details

#needed? ⇒ Boolean

Is this file task needed? Yes if it doesn’t exist, or if its time stamp is out of date.

Returns:

  • (Boolean) 


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# File 'lib/rake/file_task.rb', line 15

def needed?
  ! File.exist?(name) || out_of_date?(timestamp)
end

#timestamp ⇒ Object

Time stamp for file task.



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

def timestamp
  if File.exist?(name)
    File.mtime(name.to_s)
  else
    Rake::EARLY
  end
end