WiP

build_projects/dotnet-cli-build/DotNetMSBuild.cs

@@ -0,0 +1,30 @@
+// Copyright (c) .NET Foundation and contributors. All rights reserved.
+// Licensed under the MIT license. See LICENSE file in the project root for full license information.
+
+namespace Microsoft.DotNet.Cli.Build
+{
+    public class DotNetMSBuild : DotNetTool
+    {
+        protected override string Command
+        {
+            get { return "msbuild"; }
+        }
+
+        protected override string Args
+        {
+            get { return $"{GetArguments()}"; }
+        }
+
+        public string Arguments { get; set; }
+
+        private string GetArguments()
+        {
+            if (!string.IsNullOrEmpty(Arguments))
+            {
+                return $"{Arguments}";
+            }
+
+            return null;
+        }
+    }
+}

build_projects/dotnet-cli-build/DotNetTool.cs

@@ -1,5 +1,6 @@
 // Copyright (c) .NET Foundation and contributors. All rights reserved.
 // Licensed under the MIT license. See LICENSE file in the project root for full license information.
+using System;
 using System.Linq;
 
 using Microsoft.Build.Framework;
@@ -13,10 +14,20 @@ namespace Microsoft.DotNet.Cli.Build
     {
         public DotNetTool()
         {
+Log.LogMessage(MessageImportance.High, "STARTING "); 
             EnvironmentVariables = new EnvironmentFilter()
                 .GetEnvironmentVariableNamesToRemove()
                 .Select(e => $"{e}=")
                 .ToArray();
+            
+Log.LogMessage(MessageImportance.High, "OVERRIDING "); 
+
+            foreach (var ev in EnvironmentVariables)
+            {
+                Log.LogMessage(MessageImportance.High, $"{ev}");
+            }
+
+            throw new Exception($"{EnvironmentVariables.Count()}");
         }
 
         protected abstract string Command { get; }