Switch absolute source references back to relative paths from the compilation root

Author: ChadKillingsworth

lib/gulp/index.js

@@ -196,6 +196,11 @@ module.exports = function(initOptions) {
 
         for (var i = 0; i < outputFiles.length; i++) {
           if (outputFiles[i].sourceMap) {
+            if (outputFiles[i].sourceMap.sources) {
+              outputFiles[i].sourceMap.sources = outputFiles[i].sourceMap.sources.map(function(sourcePath) {
+                return path.isAbsolute(sourcePath[0]) ? sourcePath.substr(1) : sourcePath;
+              });
+            }
             applySourceMap(outputFiles[i], outputFiles[i].sourceMap);
           }
           this.push(outputFiles[i]);