update

.pipelines/UpdateVersions.ps1

@@ -117,20 +117,21 @@ $packageVersions = @{ "Microsoft.WindowsAppSDK" = $WinAppSDKVersion }
 
 if ($WinAppSDKVersion -match "^1\.8") {
     Write-Host "Version $WinAppSDKVersion detected. Resolving split dependencies..."
-    $tempDir = Join-Path $env:TEMP "winappsdk_deps_$(Get-Random)"
-    New-Item -ItemType Directory -Path $tempDir -Force | Out-Null
-    try {
-        # Create a temporary nuget.config to avoid interference from the repo's config
-        $tempConfig = Join-Path $tempDir "nuget.config"
-        Set-Content -Path $tempConfig -Value "<?xml version='1.0' encoding='utf-8'?><configuration><packageSources><clear /><add key='TempSource' value='$sourceLink' /></packageSources></configuration>"
+    $installDir = Join-Path $rootPath "localpackages\output"
+    New-Item -ItemType Directory -Path $installDir -Force | Out-Null
+    
+    # Create a temporary nuget.config to avoid interference from the repo's config
+    $tempConfig = Join-Path $env:TEMP "nuget_$(Get-Random).config"
+    Set-Content -Path $tempConfig -Value "<?xml version='1.0' encoding='utf-8'?><configuration><packageSources><clear /><add key='TempSource' value='$sourceLink' /></packageSources></configuration>"
 
-        # Download package to inspect nuspec
-        $nugetArgs = "install Microsoft.WindowsAppSDK -Version $WinAppSDKVersion -ConfigFile $tempConfig -OutputDirectory $tempDir -NonInteractive -NoCache"
+    try {
+        # Download package to inspect nuspec and keep it for the build
+        $nugetArgs = "install Microsoft.WindowsAppSDK -Version $WinAppSDKVersion -ConfigFile $tempConfig -OutputDirectory $installDir -NonInteractive -NoCache"
         Invoke-Expression "nuget $nugetArgs" | Out-Null
         
         # Parse dependencies from the installed folders
         # Folder structure is typically {PackageId}.{Version}
-        $directories = Get-ChildItem -Path $tempDir -Directory
+        $directories = Get-ChildItem -Path $installDir -Directory
         foreach ($dir in $directories) {
             if ($dir.Name -match "^(Microsoft\.WindowsAppSDK.*?)\.(\d.*)$") {
                 $pkgId = $Matches[1]
@@ -142,7 +143,7 @@ if ($WinAppSDKVersion -match "^1\.8") {
     } catch {
         Write-Warning "Failed to resolve dependencies: $_"
     } finally {
-        Remove-Item $tempDir -Recurse -Force -ErrorAction SilentlyContinue
+        Remove-Item $tempConfig -Force -ErrorAction SilentlyContinue
     }
 }
 

.pipelines/v2/templates/steps-update-winappsdk-and-restore-nuget.yml

@@ -7,6 +7,39 @@ parameters:
     default: false
 
 steps:
+- task: PowerShell@2
+  displayName: 'Configure NuGet'
+  inputs:
+    targetType: 'inline'
+    script: |
+      $nugetConfigPath = "$(Build.SourcesDirectory)\nuget.config"
+      $localPackagesPath = "$(Build.SourcesDirectory)\localpackages\output"
+      
+      # Ensure the directory exists so it's a valid source
+      New-Item -ItemType Directory -Path $localPackagesPath -Force | Out-Null
+      
+      Write-Host "Modifying $nugetConfigPath..."
+      [xml]$xml = Get-Content -Path $nugetConfigPath
+      
+      # Add localpackages source
+      $packageSourcesNode = $xml.configuration.packageSources
+      if (-not $packageSourcesNode.SelectSingleNode("add[@key='localpackages']")) {
+          $addNode = $xml.CreateElement("add")
+          $addNode.SetAttribute("key", "localpackages")
+          $addNode.SetAttribute("value", $localPackagesPath)
+          $packageSourcesNode.AppendChild($addNode) | Out-Null
+      }
+      
+      # Remove packageSourceMapping to ensure we can restore from both sources without restriction
+      $packageSourceMappingNode = $xml.configuration.packageSourceMapping
+      if ($packageSourceMappingNode) {
+          $xml.configuration.RemoveChild($packageSourceMappingNode) | Out-Null
+          Write-Host "Removed packageSourceMapping."
+      }
+      
+      $xml.Save($nugetConfigPath)
+      Get-Content $nugetConfigPath
+
 - task: NuGetAuthenticate@1
   displayName: 'NuGet Authenticate'
 
@@ -22,31 +55,6 @@ steps:
 - script: echo $(WinAppSDKVersion)
   displayName: 'Display WinAppSDK Version Found'
 
-- task: DownloadPipelineArtifact@2
-  displayName: 'Download WindowsAppSDK'
-  inputs:
-    buildType: 'specific'
-    project: '55e8140e-57ac-4e5f-8f9c-c7c15b51929d'
-    definition: '104083'
-    buildVersionToDownload: 'latestFromBranch'
-    branchName: 'refs/heads/release/${{ parameters.versionNumber }}-stable'
-    artifactName: 'WindowsAppSDK_Nuget_And_MSIX'
-    targetPath: '$(Build.SourcesDirectory)\localpackages'
-
-- script: dir $(Build.SourcesDirectory)\localpackages\NugetPackages
-  displayName: 'List downloaded packages'
-
-- task: NuGetCommand@2
-  displayName: 'Install WindowsAppSDK'
-  inputs:
-    command: 'custom'
-    arguments: >
-      install "Microsoft.WindowsAppSDK"
-      -Source "$(Build.SourcesDirectory)\localpackages\NugetPackages"
-      -Version "$(WinAppSDKVersion)"
-      -OutputDirectory "$(Build.SourcesDirectory)\localpackages\output"
-      -FallbackSource "https://microsoft.pkgs.visualstudio.com/ProjectReunion/_packaging/Project.Reunion.nuget.internal/nuget/v3/index.json"
-
 - task: NuGetCommand@2
   displayName: 'Restore NuGet packages'
   inputs: