Copy symbol packages to artifacts/symbols

build/repo.targets

@@ -209,7 +209,7 @@
 
   <Target Name="SplitPackages">
     <ItemGroup>
-      <PackageArtifactFile Include="$(BuildDir)*.nupkg" Exclude="$(BuildDir)*.symbols.nupkg" />
+      <PackageArtifactFile Include="$(BuildDir)*.nupkg" />
       <ExternalDependencyPackage Include="@(ExternalDependency->WithMetadataValue('Mirror', 'true'))" Category="mirror" />
       <_MirroredPackageFiles Include="$(IntermediateMirrorPackageDir)*.nupkg" />
     </ItemGroup>

build/tasks/CopyPackagesToSplitFolders.cs

@@ -50,7 +50,13 @@ namespace RepoTasks
                     identity = reader.GetIdentity();
                 }
 
-                if (!expectedPackages.TryGetCategory(identity.Id, out var category))
+                var isSymbolsPackage = file.ItemSpec.EndsWith(".symbols.nupkg", StringComparison.OrdinalIgnoreCase);
+                PackageCategory category;
+                if (isSymbolsPackage)
+                {
+                    category = PackageCategory.Symbols;
+                }
+                else if (!expectedPackages.TryGetCategory(identity.Id, out category))
                 {
                     Log.LogError($"Unexpected package artifact with id: {identity.Id}");
                     continue;
@@ -73,6 +79,9 @@ namespace RepoTasks
                     case PackageCategory.Mirror:
                         destDir = Path.Combine(DestinationFolder, "mirror");
                         break;
+                    case PackageCategory.Symbols:
+                        destDir = Path.Combine(DestinationFolder, "symbols");
+                        break;
                     default:
                         throw new NotImplementedException();
                 }

build/tasks/Utilities/PackageCategory.cs

@@ -11,5 +11,6 @@ namespace RepoTasks.Utilities
         NoShip,
         ShipOob,
         Mirror,
+        Symbols,
     }
 }