title: I can't commit (your branch is up-to-date with 'origin/master')
body: <p>I created a project on gitlab and I added a user as developer, so my colleague clone the project correctly and he created a new file but when he try to commit with the following command : </p>
  
  <pre><code>git commit -a -m "update" 
  </code></pre>
  
  <p>he got this message :</p>
  
  <p><a href="https://i.stack.imgur.com/UhWeW.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/UhWeW.png" alt="enter image description here"></a></p>
  
  <p>any explanation and help ?</p>