steps:
- powershell: |
    $shouldSign = $true
    if($env:BUILD_REASON -ne 'Manual')
    {
      $shouldSign = $false
    }

    if($env:SKIP_SIGNING -eq 'Yes')
    {
      $shouldSign = $false
    }

    $vstsCommandString = "vso[task.setvariable variable=SHOULD_SIGN]$($shouldSign.ToString().ToLowerInvariant())"
    Write-Host "sending " + $vstsCommandString
    Write-Host "##$vstsCommandString"
  displayName: 'Set SHOULD_SIGN Variable'