1 files changed, 39 insertions, 0 deletions

diff --git a/src/WixToolset.Core.ExtensionCache/ExtensionCacheManagerExtensionCommandLine.cs b/src/WixToolset.Core.ExtensionCache/ExtensionCacheManagerExtensionCommandLine.cs
new file mode 100644
index 00000000..81e96718
--- /dev/null
+++ b/src/WixToolset.Core.ExtensionCache/ExtensionCacheManagerExtensionCommandLine.cs
@@ -0,0 +1,39 @@
+// 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 System;
+    using System.Collections.Generic;
+    using WixToolset.Extensibility;
+    using WixToolset.Extensibility.Data;
+    using WixToolset.Extensibility.Services;
+
+    /// <summary>
+    /// Parses the "extension" command-line command. See <c>ExtensionCacheManagerCommand</c>
+    /// for the bulk of the command-line processing.
+    /// </summary>
+    internal class ExtensionCacheManagerExtensionCommandLine : BaseExtensionCommandLine
+    {
+        public ExtensionCacheManagerExtensionCommandLine(IWixToolsetServiceProvider serviceProvider)
+        {
+            this.ServiceProvider = serviceProvider;
+        }
+
+        private IWixToolsetServiceProvider ServiceProvider { get; }
+
+        // TODO: Do something with CommandLineSwitches
+        public override IEnumerable<ExtensionCommandLineSwitch> CommandLineSwitches => base.CommandLineSwitches;
+
+        public override bool TryParseCommand(ICommandLineParser parser, string argument, out ICommandLineCommand command)
+        {
+            command = null;
+
+            if ("extension".Equals(argument, StringComparison.OrdinalIgnoreCase))
+            {
+                command = new ExtensionCacheManagerCommand(this.ServiceProvider);
+            }
+
+            return command != null;
+        }
+    }
+}