1 files changed, 30 insertions, 0 deletions

diff --git a/src/api/burn/WixToolset.Mba.Core/OverridableVariables.cs b/src/api/burn/WixToolset.Mba.Core/OverridableVariables.cs
index 855ce9a9..148acb34 100644
--- a/src/api/burn/WixToolset.Mba.Core/OverridableVariables.cs
+++ b/src/api/burn/WixToolset.Mba.Core/OverridableVariables.cs
@@ -13,6 +13,9 @@ namespace WixToolset.Mba.Core
     public class OverridableVariablesInfo : IOverridableVariables
     {
         /// <inheritdoc />
+        public VariableCommandLineType CommandLineType { get; internal set; }
+
+        /// <inheritdoc />
         public IDictionary<string, IOverridableVariableInfo> Variables { get; internal set; }
 
         internal OverridableVariablesInfo() { }
@@ -26,9 +29,36 @@ namespace WixToolset.Mba.Core
         {
             XmlNamespaceManager namespaceManager = new XmlNamespaceManager(root.NameTable);
             namespaceManager.AddNamespace("p", BootstrapperApplicationData.XMLNamespace);
+            XPathNavigator commandLineNode = root.SelectSingleNode("/p:BootstrapperApplicationData/p:CommandLine", namespaceManager);
             XPathNodeIterator nodes = root.Select("/p:BootstrapperApplicationData/p:WixStdbaOverridableVariable", namespaceManager);
 
             var overridableVariables = new OverridableVariablesInfo();
+
+            if (commandLineNode == null)
+            {
+                throw new Exception("Failed to select command line information.");
+            }
+
+            string variablesValue = BootstrapperApplicationData.GetAttribute(commandLineNode, "Variables");
+
+            if (variablesValue == null)
+            {
+                throw new Exception("Failed to get command line variable type.");
+            }
+
+            if (variablesValue.Equals("upperCase", StringComparison.InvariantCulture))
+            {
+                overridableVariables.CommandLineType = VariableCommandLineType.UpperCase;
+            }
+            else if (variablesValue.Equals("caseSensitive", StringComparison.InvariantCulture))
+            {
+                overridableVariables.CommandLineType = VariableCommandLineType.CaseSensitive;
+            }
+            else
+            {
+                throw new Exception(string.Format("Unknown command line variable type: '{0}'", variablesValue));
+            }
+
             overridableVariables.Variables = new Dictionary<string, IOverridableVariableInfo>();
 
             foreach (XPathNavigator node in nodes)