From ff3e899cb1f679dddc1c13e4a0cd4a34e0ee7883 Mon Sep 17 00:00:00 2001
From: guybedford <guybedford@gmail.com>
Date: Sun, 6 Sep 2015 22:46:01 +0200
Subject: [PATCH] conditional build support

---
 lib/conditionals.js | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/lib/conditionals.js b/lib/conditionals.js
index 315a803a..56a9a802 100644
--- a/lib/conditionals.js
+++ b/lib/conditionals.js
@@ -58,6 +58,10 @@
 
       return Promise.resolve(normalize.apply(this, arguments))
       .then(function(normalized) {
+        // let builder handle conditional interpolation when tracing
+        if (loader.builder)
+          return normalized;
+
         var conditionalMatch = normalized.match(conditionalRegEx);
         if (!conditionalMatch)
           return normalized;