Module: Rails::Sh::Forkable

Included in:
Bundler, Rails, Rake
Defined in:
lib/rails/sh/forkable.rb

Instance Method Summary collapse

Instance Method Details

#_invoke ⇒ Object

Raises:

  • (NotImplementedError) 


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# File 'lib/rails/sh/forkable.rb', line 13

def _invoke
  raise NotImplementedError
end

#after_fork(&block) ⇒ Object 



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# File 'lib/rails/sh/forkable.rb', line 21

def after_fork(&block)
  @after_fork = block
end

#before_fork(&block) ⇒ Object 



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# File 'lib/rails/sh/forkable.rb', line 17

def before_fork(&block)
  @before_fork = block
end

#invoke(line) ⇒ Object 



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# File 'lib/rails/sh/forkable.rb', line 4

def invoke(line)
  run_before_fork
  pid = fork do
    run_after_fork
    _invoke(line)
  end
  Process.waitpid(pid)
end

#run_after_fork(&block) ⇒ Object 



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# File 'lib/rails/sh/forkable.rb', line 29

def run_after_fork(&block)
  @after_fork.call if @after_fork
end

#run_before_fork(&block) ⇒ Object 



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# File 'lib/rails/sh/forkable.rb', line 25

def run_before_fork(&block)
  @before_fork.call if @before_fork
end