From c5df86a7caaa1cbff9adde6396925383ba9a2e4e Mon Sep 17 00:00:00 2001
From: Bob Arnson <bob@firegiant.com>
Date: Wed, 18 Mar 2020 21:45:53 -0400
Subject: Allow unresolved variables during resolution.

---
 src/WixToolset.Core/Bind/ResolveFieldsCommand.cs | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

(limited to 'src/WixToolset.Core/Bind')

diff --git a/src/WixToolset.Core/Bind/ResolveFieldsCommand.cs b/src/WixToolset.Core/Bind/ResolveFieldsCommand.cs
index 5db878a1..3e680a98 100644
--- a/src/WixToolset.Core/Bind/ResolveFieldsCommand.cs
+++ b/src/WixToolset.Core/Bind/ResolveFieldsCommand.cs
@@ -32,6 +32,8 @@ namespace WixToolset.Core.Bind
 
         public bool SupportDelayedResolution { private get; set; }
 
+        public bool AllowUnresolvedVariables { private get; set; }
+
         public IEnumerable<DelayedField> DelayedFields { get; private set; }
 
         public void Execute()
@@ -62,7 +64,7 @@ namespace WixToolset.Core.Bind
                                 var original = field.AsString();
                                 if (!String.IsNullOrEmpty(original))
                                 {
-                                    var resolution = this.VariableResolver.ResolveVariables(tuple.SourceLineNumbers, original);
+                                    var resolution = this.VariableResolver.ResolveVariables(tuple.SourceLineNumbers, original, !this.AllowUnresolvedVariables);
                                     if (resolution.UpdatedValue)
                                     {
                                         field.Set(resolution.Value);
-- 
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