"wix extension remove": delete only extension folder, print status messages

src/wix/WixToolset.Core.ExtensionCache/ExtensionCacheInformations.cs

@@ -0,0 +1,25 @@
+// Copyright (c) .NET Foundation and contributors. All rights reserved. Licensed under the Microsoft Reciprocal License. See LICENSE.TXT file in the project root for full license information.
+
+namespace WixToolset.Core.ExtensionCache
+{
+    using WixToolset.Data;
+
+    internal static class ExtensionCacheInformations
+    {
+        public static Message RemovedExtension(string extensionFolder)
+        {
+            return Message(null, Ids.RemovedExtension, "Removed extension folder {0}", extensionFolder);
+        }
+
+
+        private static Message Message(SourceLineNumber sourceLineNumber, Ids id, string format, params object[] args)
+        {
+            return new Message(sourceLineNumber, MessageLevel.Information, (int)id, format, args);
+        }
+
+        public enum Ids
+        {
+            RemovedExtension = 6200,
+        } // see message range from ExtensionCacheWarnings
+    }
+}

src/wix/WixToolset.Core.ExtensionCache/ExtensionCacheManager.cs

@@ -70,9 +70,14 @@ public Task<bool> RemoveAsync(bool global, string extension, CancellationToken c
             {
                 cancellationToken.ThrowIfCancellationRequested();
 
-                Directory.Delete(cacheFolder, true);
+                this.Messaging.Write(ExtensionCacheInformations.RemovedExtension(extensionFolder));
+                Directory.Delete(extensionFolder, true);
                 return Task.FromResult(true);
             }
+            else
+            {
+                this.Messaging.Write(ExtensionCacheWarnings.RemoveExtensionNotInstalled(extensionId, extensionVersion, extensionFolder));
+            }
 
             return Task.FromResult(false);
         }

src/wix/WixToolset.Core.ExtensionCache/ExtensionCacheWarnings.cs

@@ -16,6 +16,11 @@ public static Message MissingExtensionPackageRootFolder(string extensionId, stri
             return Message(new SourceLineNumber(extensionId), Ids.MissingExtensionPackageRootFolder, "Could not find expected package root folder {0}. Ensure {1}/{2} is compatible with WiX v{3}.", packageRootFolderName, extensionId, packageVersion, wixVersion);
         }
 
+        public static Message RemoveExtensionNotInstalled(string extensionId, string packageVersion, string extensionCacheFolder)
+        {
+            return Message(new SourceLineNumber(extensionId), Ids.NotInstalledExtension, "Extension {0} with Id {1} not found in {2}.", extensionId, packageVersion, extensionCacheFolder);
+        }
+
         private static Message Message(SourceLineNumber sourceLineNumber, Ids id, string format, params object[] args)
         {
             return new Message(sourceLineNumber, MessageLevel.Warning, (int)id, format, args);
@@ -25,6 +30,7 @@ public enum Ids
         {
             NugetException = 6100,
             MissingExtensionPackageRootFolder = 6101,
+            NotInstalledExtension = 6102,
         } // last available is 6499. 6500 is ExtensionCacheErrors.
     }
 }