Imported Upstream version 6.6.0.89

Former-commit-id: b39a328747c2f3414dc52e009fb6f0aa80ca2492

external/linker/eng/common/post-build/nuget-validation.ps1

@@ -0,0 +1,25 @@
+# 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
+)
+
+. $PSScriptRoot\post-build-utils.ps1
+
+try {
+  $url = "https://raw.githubusercontent.com/NuGet/NuGetGallery/jver-verify/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-PipelineTaskError "NuGet package validation failed. Please check error logs."
+  Write-Host $_
+  Write-Host $_.ScriptStackTrace
+  ExitWithExitCode 1
+}