Add stage for symbols job in Release build (#18937)

tools/releaseBuild/azureDevOps/releasePipeline.yml

@@ -338,6 +338,20 @@ stages:
     steps:
     - template: templates/release-PublishPackageMsftCom.yml
 
+- stage: PublishSymbols
+  displayName: Publish symbols
+  dependsOn: PublishPackages
+  jobs:
+  - job: PublishSymbol
+
+    pool:
+      name: PowerShell1ES
+      demands:
+      - ImageOverride -equals PSMMS2019-Secure
+
+    steps:
+    - template: templates/release-PublishSymbols.yml
+
 - stage: ChangesToMaster
   displayName: Ensure changes are in GH master
   dependsOn: PublishPackages

tools/releaseBuild/azureDevOps/templates/release-PublishSymbols.yml

@@ -0,0 +1,51 @@
+steps:
+- task: DownloadPipelineArtifact@2
+  inputs:
+    source: specific
+    project: PowerShellCore
+    pipeline: '696'
+    preferTriggeringPipeline: true
+    runVersion: latestFromBranch
+    runBranch: '$(Build.SourceBranch)'
+    artifact: results
+    path: '$(Pipeline.Workspace)\results'
+    itemPattern: |
+      **/*
+      !**/*signed.zip
+
+- pwsh: |
+    Write-Verbose -Verbose "Enumerating $(Pipeline.Workspace)\results"
+    $downloadedArtifacts = Get-ChildItem -Recurse "$(Pipeline.Workspace)\results"
+    $downloadedArtifacts
+    $expandedRoot = New-Item -Path "$(Pipeline.Workspace)/expanded" -ItemType Directory -Verbose
+    $symbolsRoot = New-Item -Path "$(Pipeline.Workspace)/symbols" -ItemType Directory -Verbose
+
+    $downloadedArtifacts | ForEach-Object {
+      $destFolder = New-Item -Path "$expandedRoot/$($_.BaseName)/" -ItemType Directory -Verbose
+      Expand-Archive -Path $_.FullName -DestinationPath $destFolder -Force
+
+      $symbolsZipFile = Join-Path -Path $destFolder -ChildPath "symbols.zip"
+      $symbolZipFileContents = New-Item -Path "$destFolder/Symbols-$($_.BaseName)" -ItemType Directory -Verbose
+      Expand-Archive -Path $symbolsZipFile -DestinationPath $symbolZipFileContents -Force
+
+      $symbolsToPublish = New-Item -Path "$symbolsRoot/$($_.BaseName)" -ItemType Directory -Verbose
+
+      Get-ChildItem -Path $symbolZipFileContents -Recurse -Filter '*.pdb' | ForEach-Object {
+        Copy-Item -Path $_.FullName -Destination $symbolsToPublish -Verbose
+      }
+    }
+
+    Write-Verbose -Verbose "Enumerating $symbolsRoot"
+    Get-ChildItem -Path $symbolsRoot -Recurse
+    $vstsCommandString = "vso[task.setvariable variable=SymbolsPath]$symbolsRoot"
+    Write-Verbose -Message "$vstsCommandString" -Verbose
+    Write-Host -Object "##$vstsCommandString"
+  displayName: Expand and capture symbols folders
+- task: PublishSymbols@2
+  inputs:
+    symbolsFolder: '$(SymbolsPath)'
+    searchPattern: '**/*.pdb'
+    indexSources: false
+    publishSymbols: true
+    symbolServerType: teamServices
+    detailedLog: true