From 8cbfc326cccf8d9b3b63cb6f752fc770f7dee0fc Mon Sep 17 00:00:00 2001
From: Sean Hall <r.sean.hall@gmail.com>
Date: Tue, 29 Jun 2021 19:14:02 -0500
Subject: Expose overridable variable APIs in balutil and Mba.Core.

Fixes #4777
---
 src/api/burn/WixToolset.Mba.Core/MbaCommand.cs | 33 ++++++++++++++++++++++++++
 1 file changed, 33 insertions(+)
 create mode 100644 src/api/burn/WixToolset.Mba.Core/MbaCommand.cs

(limited to 'src/api/burn/WixToolset.Mba.Core/MbaCommand.cs')

diff --git a/src/api/burn/WixToolset.Mba.Core/MbaCommand.cs b/src/api/burn/WixToolset.Mba.Core/MbaCommand.cs
new file mode 100644
index 00000000..e7e49607
--- /dev/null
+++ b/src/api/burn/WixToolset.Mba.Core/MbaCommand.cs
@@ -0,0 +1,33 @@
+// 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.Mba.Core
+{
+    using System.Collections.Generic;
+
+    /// <summary>
+    /// Default implementation of <see cref="IMbaCommand"/>.
+    /// </summary>
+    internal sealed class MbaCommand : IMbaCommand
+    {
+        public string[] UnknownCommandLineArgs { get; internal set; }
+
+        public KeyValuePair<string, string>[] Variables { get; internal set; }
+
+        internal MbaCommand() { }
+
+        public void SetOverridableVariables(IOverridableVariables overridableVariables, IEngine engine)
+        {
+            foreach (var kvp in this.Variables)
+            {
+                if (!overridableVariables.Variables.TryGetValue(kvp.Key, out var overridableVariable))
+                {
+                    engine.Log(LogLevel.Error, string.Format("Ignoring attempt to set non-overridable variable: '{0}'.", kvp.Key));
+                }
+                else
+                {
+                    engine.SetVariableString(overridableVariable.Name, kvp.Value, false);
+                }
+            }
+        }
+    }
+}
-- 
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