title: "commit or discard the untracked or modified content in submodules"
body: <p>Since this morning I have a problem for committing my work :</p>
  <p>I tried several commands to clean up my local repo but I still have the same problem, I have searched well in other topics where the problems encountered were similar to mine but the solutions differ without me being able to adapt anything ...</p>
  <p>I await your answers</p>
  <p><a href="https://i.stack.imgur.com/K0UpW.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/K0UpW.png" alt="enter image description here" /></a></p>
  <p>PS : Sorry for my lack of courtesy but obviously Stack Overflow does not want me to greet you ...</p>