Result using git diff without arguments:
diff --git a/src/index.js b/src/index.js
index 56a41c3..c2b401b 100644
--- a/src/index.js
+++ b/src/index.js
@@ -3,6 +3,7 @@ import React from 'react'
 import ReactDOM from 'react-dom'
 import { Router, Route, Switch } from 'react-router-dom'