Class: Spud::TaskRunners::SpudTaskRunner::Dependency

Inherits:
Object
  • Object
show all
Defined in:
lib/spud/task_runners/spud_task_runner/dependency.rb

Instance Method Summary collapse

Constructor Details

#initialize(source, target) ⇒ Dependency

Returns a new instance of Dependency.



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# File 'lib/spud/task_runners/spud_task_runner/dependency.rb', line 6

def initialize(source, target)
  @sources = [source].flatten
  @targets = [target].flatten
end

Instance Method Details

#need_to_update? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/spud/task_runners/spud_task_runner/dependency.rb', line 12

def need_to_update?
  !up_to_date?
end

#up_to_date? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/spud/task_runners/spud_task_runner/dependency.rb', line 17

def up_to_date?
  source_filenames = Dir[*@sources]
  return true if source_filenames.empty?

  newest_source = source_filenames
    .map(&File.method(:stat))
    .map(&:mtime)
    .max

  target_filenames = Dir[*@targets]
  return false if target_filenames.empty?

  oldest_target = target_filenames
    .map(&File.method(:stat))
    .map(&:mtime)
    .min

  newest_source < oldest_target
end