Imported Upstream version 6.12.0.98

Former-commit-id: 066e1c5ebb0cc420bd293e60a01325420779fdd1

external/llvm-project/eng/common/post-build/nuget-validation.ps1

@@ -0,0 +1,24 @@
+# This script validates NuGet package metadata information using this 
+# tool: https://github.com/NuGet/NuGetGallery/tree/jver-verify/src/VerifyMicrosoftPackage
+
+param(
+  [Parameter(Mandatory=$true)][string] $PackagesPath,           # Path to where the packages to be validated are
+  [Parameter(Mandatory=$true)][string] $ToolDestinationPath     # Where the validation tool should be downloaded to
+)
+
+try {
+  . $PSScriptRoot\post-build-utils.ps1
+
+  $url = 'https://raw.githubusercontent.com/NuGet/NuGetGallery/3e25ad135146676bcab0050a516939d9958bfa5d/src/VerifyMicrosoftPackage/verify.ps1'
+
+  New-Item -ItemType 'directory' -Path ${ToolDestinationPath} -Force
+
+  Invoke-WebRequest $url -OutFile ${ToolDestinationPath}\verify.ps1 
+
+  & ${ToolDestinationPath}\verify.ps1 ${PackagesPath}\*.nupkg
+} 
+catch {
+  Write-Host $_.ScriptStackTrace
+  Write-PipelineTelemetryError -Category 'NuGetValidation' -Message $_
+  ExitWithExitCode 1
+}