# sets the TelemetryOption variable and optionally generates TraceLoggingConfigPrivate.h based on the TELEMETRYGUID
# variable

steps:
  # TELEMETRYGUID is a runtime variable that is stored on the pipeline in an old-fashioned way. So it cannot be used in
  # template expressions. We access it through env variables.
  - task: PowerShell@2
    displayName: 'Set TelemetryOption variable and optionally create TraceLoggingConfigPrivate.h for WinML Telemetry'
    inputs:
      targetType: filePath
      filePath: $(Build.SourcesDirectory)\tools\ci_build\github\windows\set_telemetry_var.ps1
      failOnStderr: true
      showWarnings: true
      workingDirectory: $(Build.SourcesDirectory)
    env:
      # When the pipeline variable does not exist, the following line will create a new env variable with value of
      # what you see here. 
      TELEMETRYGUID: $(TELEMETRYGUID)