From: Oneric <oneric@oneric.stub>
Subject: Prepare for WF patches

Use commit info from WF repo instead of
upstream commit patches are based on
--- a/build/webpack.prod.conf.js
+++ b/build/webpack.prod.conf.js
@@ -12,7 +12,7 @@
     : config.build.env
 
 let commitHash = require('child_process')
-    .execSync('git rev-parse --short HEAD')
+    .execSync('git -C .. rev-parse --short HEAD')
     .toString();
 
 var webpackConfig = merge(baseWebpackConfig, {