Module: Dir::Tmpdir

Included in:
Dir
Defined in:
lib/astrails/safe/multi.rb

Defined Under Namespace

Classes: Error

Constant Summary collapse

Super = 
Dir.send(:method, :tmpdir)
Hostname = 
Socket.gethostname || 'localhost'
Pid = 
Process.pid
Ppid = 
Process.ppid

Instance Method Summary collapse

Instance Method Details

#tmpdir(*args, &block) ⇒ Object

Raises:



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# File 'lib/astrails/safe/multi.rb', line 90

def tmpdir *args, &block
  options = Hash === args.last ? args.pop : {}

  dirname = Super.call(*args)

  return dirname unless block

  turd = options['turd'] || options[:turd]

  basename = [
    Hostname,
    Ppid,
    Pid,
    Thread.current.object_id.abs,
    rand
  ].join('-')

  pathname = File.join dirname, basename

  made = false

  42.times do
    begin
      FileUtils.mkdir_p pathname
      break(made = true)
    rescue Object
      sleep rand
      :retry
    end
  end

  raise Error, "failed to make tmpdir in #{ dirname.inspect }" unless made

  begin
    return Dir.chdir(pathname, &block)
  ensure
    unless turd
      FileUtils.rm_rf(pathname) if made
    end
  end
end