From f9c7d04fec5d77ee1bbbcc0572a7b827a65654b5 Mon Sep 17 00:00:00 2001
From: Daniel Freedman <dfreedm@google.com>
Date: Tue, 17 Sep 2013 15:14:27 -0700
Subject: [PATCH] Realign sourcemap content lines after minification step

---
 gruntfile.js | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/gruntfile.js b/gruntfile.js
index 171e5c6..fbe613d 100644
--- a/gruntfile.js
+++ b/gruntfile.js
@@ -96,7 +96,13 @@ module.exports = function(grunt) {
   grunt.registerTask('sourcemap_copy', 'Copy sourcesContent between sourcemaps', function(source, dest) {
     var sourceMap = grunt.file.readJSON(source);
     var destMap = grunt.file.readJSON(dest);
-    destMap.sourcesContent = sourceMap.sourcesContent;
+    destMap.sourcesContent = [];
+    var ssources = sourceMap.sources;
+    // uglify may reorder sources, make sure sourcesContent matches new order
+    destMap.sources.forEach(function(source) {
+      var j = ssources.indexOf(source);
+      destMap.sourcesContent.push(sourceMap.sourcesContent[j]);
+    });
     grunt.file.write(dest, JSON.stringify(destMap));
   });