Don't binplace for upload any "Vertical" visibility assets. They shouldn't be uploaded from jobs and they won't be in the asset manifest anyway.

Author: jkoritzinsky

src/SourceBuild/content/eng/tools/tasks/Microsoft.DotNet.UnifiedBuild.Tasks/GetKnownArtifactsFromAssetManifests.cs

@@ -24,6 +24,8 @@ public sealed class GetKnownArtifactsFromAssetManifests : Build.Utilities.Task
     private const string RepoOriginAttributeName = "RepoOrigin";
     private const string NonShippingAttributeName = "NonShipping";
     private const string DotNetReleaseShippingAttributeName = "DotNetReleaseShipping";
+    private const string VisibilityAttributeName = "Visibility";
+    private const string DefaultVisibility = "External";
 
     // Package metadata
     private const string PackageElementName = "Package";
@@ -69,7 +71,8 @@ public override bool Execute()
                 { PackageVersionAttributeName, package.Attribute(PackageVersionAttributeName)!.Value },
                 { RepoOriginAttributeName, package.Attribute(RepoOriginAttributeName)?.Value ?? string.Empty },
                 { NonShippingAttributeName, package.Attribute(NonShippingAttributeName)?.Value ?? string.Empty },
-                { DotNetReleaseShippingAttributeName, package.Attribute(DotNetReleaseShippingAttributeName)?.Value ?? string.Empty }
+                { DotNetReleaseShippingAttributeName, package.Attribute(DotNetReleaseShippingAttributeName)?.Value ?? string.Empty },
+                { VisibilityAttributeName, package.Attribute(VisibilityAttributeName)?.Value ?? DefaultVisibility },
             }))
             .Distinct(TaskItemManifestEqualityComparer.Instance)
             .ToArray();
@@ -81,7 +84,8 @@ public override bool Execute()
             {
                 { RepoOriginAttributeName, blob.Attribute(RepoOriginAttributeName)?.Value ?? string.Empty },
                 { NonShippingAttributeName, blob.Attribute(NonShippingAttributeName)?.Value ?? string.Empty },
-                { DotNetReleaseShippingAttributeName, blob.Attribute(DotNetReleaseShippingAttributeName)?.Value ?? string.Empty }
+                { DotNetReleaseShippingAttributeName, blob.Attribute(DotNetReleaseShippingAttributeName)?.Value ?? string.Empty },
+                { VisibilityAttributeName, blob.Attribute(VisibilityAttributeName)?.Value ?? DefaultVisibility },
             }))
             .Distinct(TaskItemManifestEqualityComparer.Instance)
             .ToArray();
@@ -110,4 +114,4 @@ public bool Equals(TaskItem? x, TaskItem? y)
 
         public int GetHashCode([DisallowNull] TaskItem obj) => HashCode.Combine(obj.ItemSpec, obj.GetMetadata(PackageVersionAttributeName));
     }
-}
+}

src/SourceBuild/content/repo-projects/Directory.Build.targets

@@ -554,9 +554,13 @@
         <ShippingFolder Condition="%(ProducedPackage.NonShipping) != 'true'">Shipping</ShippingFolder>
       </ProducedPackage>
 
-      <!-- When building from source, the Private.SourceBuilt.Artifacts archive already contains the nuget packages. -->
-      <BinPlaceFile Include="@(ProducedPackage->'$(ArtifactsPackagesDir)%(ShippingFolder)/$(RepositoryName)/%(Identity).%(Version).nupkg')" Condition="'$(DotNetBuildSourceOnly)' != 'true'" />
-      <BinPlaceFile Include="@(ProducedAsset->'$(ArtifactsAssetsDir)%(Identity)')" />
+      <!--
+        When building from source, the Private.SourceBuilt.Artifacts archive already contains the nuget packages.
+        Don't binplace any packages or blobs with vertical visibility. These are only used for building other repos within this vertical
+        and shouldn't be staged for upload.
+      -->
+      <BinPlaceFile Include="@(ProducedPackage->'$(ArtifactsPackagesDir)%(ShippingFolder)/$(RepositoryName)/%(Identity).%(Version).nupkg')" Condition="'$(DotNetBuildSourceOnly)' != 'true' and '%(Visibility)' != 'Vertical'" />
+      <BinPlaceFile Include="@(ProducedAsset->'$(ArtifactsAssetsDir)%(Identity)')" Condition="'%(Visibility)' != 'Vertical'"/>
     </ItemGroup>
 
     <!-- Add manifests from dependent verticals. -->