instance_setup.ps1 report write-log error if $script:activate_instance_script_loc return is empty

[sylvainlavoie]

Write-Log : Cannot bind argument to parameter 'msg' because it is an empty string.
At C:\Program Files\Google\Compute Engine\sysprep\instance_setup.ps1:251 char:15

• Write-Log "$_"
  

•           ~~~~
  

  • CategoryInfo : InvalidData: (:) [Write-Log], ParameterBindingValidationException
  • FullyQualifiedErrorId : ParameterArgumentValidationErrorEmptyStringNotAllowed,Write-Log

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Add where before the foreach solve the issue
& $script:activate_instance_script_loc | where {$} | ForEach-Object {
Write-Log "$"