Dirty augeas from puppet apply hack

custom.pp

## Use a custom lens to do something.
class example::custom {

  if $::servername {
  } else {
    warning("puppet apply runs do not detect the correct lensdir: using dirty hack")
    $lensdir = inline_template("<%= File.expand_path(File.join(File.dirname(scope.source.file),'../lib/augeas/lenses')) %>")
    Augeas {
      load_path => "${lensdir}"
    }   
  }

  file {'/tmp/example-custom-test':
    ensure => 'present',
  } ->
  augeas {'example-custom-test':
    lens    => 'Test.lns',
    incl    => '/tmp/example-custom-test',
    changes => [
      'set 01 foobar'
    ],  
    onlyif => "match *[. = 'foobar'] size == 0",
  }


}