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Editing: file_creation_task.rb
require 'rake/file_task' require 'rake/early_time' module Rake # 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. # class FileCreationTask < FileTask # Is this file task needed? Yes if it doesn't exist. def needed? ! File.exist?(name) end # Time stamp for file creation task. This time stamp is earlier # than any other time stamp. def timestamp Rake::EARLY end end end
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