Deprecate WixDifxAppExtension.

https://github.com/wixtoolset/issues/issues/6648

2 files changed, 6 insertions, 3 deletions

diff --git a/src/ext/DifxApp/test/WixToolsetTest.DifxApp/DifxAppExtensionFixture.cs b/src/ext/DifxApp/test/WixToolsetTest.DifxApp/DifxAppExtensionFixture.cs
index f5166453..edb4f889 100644
--- a/src/ext/DifxApp/test/WixToolsetTest.DifxApp/DifxAppExtensionFixture.cs
+++ b/src/ext/DifxApp/test/WixToolsetTest.DifxApp/DifxAppExtensionFixture.cs
@@ -29,8 +29,9 @@ namespace WixToolsetTest.DifxApp
 
         private static void Build(string[] args)
         {
-            var result = WixRunner.Execute(args)
-                                  .AssertSuccess();
+            var result = WixRunner.Execute(warningsAsErrors: false, args).AssertSuccess();
+
+            Assert.Single(result.Messages.Where(m => m.Id == (int)WixToolset.Data.WarningMessages.Ids.DeprecatedElement));
         }
     }
 }
diff --git a/src/ext/DifxApp/wixext/DifxAppCompiler.cs b/src/ext/DifxApp/wixext/DifxAppCompiler.cs
index e056988f..7d000f67 100644
--- a/src/ext/DifxApp/wixext/DifxAppCompiler.cs
+++ b/src/ext/DifxApp/wixext/DifxAppCompiler.cs
@@ -38,7 +38,6 @@ namespace WixToolset.DifxApp
             {
                 case "Component":
                     var componentId = context["ComponentId"];
-                    var directoryId = context["DirectoryId"];
                     var componentWin64 = Boolean.Parse(context["Win64"]);
 
                     switch (element.Name.LocalName)
@@ -68,6 +67,9 @@ namespace WixToolset.DifxApp
             int attributes = 0;
             var sequence = CompilerConstants.IntegerNotSet;
 
+            // See https://github.com/wixtoolset/issues/issues/6648. DifxApp is deprecated so warn the user.
+            this.Messaging.Write(WarningMessages.DeprecatedElement(sourceLineNumbers, node.Name.LocalName));
+
             // check the number of times a Driver element has been nested under this Component element
             if (null != componentId)
             {