title: Xcode 9 commit: Couldn't communicate with helper application
body: <p>I've recently updated to OSX Sierra (from El Capitan) and to Xcode 9. I removed all compatibility issues (like autolayout issues) and would like to commit to my local gitrep now.</p>
  
  <p>the following error appears:</p>
  
  <p><a href="https://i.stack.imgur.com/6kOII.png" rel="noreferrer"><img src="https://i.stack.imgur.com/6kOII.png" alt="enter image description here"></a></p>
  
  <p>I thought it might be the same bug appeared in XCode 7 mentioned here:
  <a href="https://stackoverflow.com/questions/14694662/xcode-and-git-source-control-the-working-copy-xxxxx-failed-to-commit-files">Xcode and Git Source Control : “The working copy XXXXX failed to commit files”</a></p>
  
  <p><a href="https://i.stack.imgur.com/zOxxR.png" rel="noreferrer"><img src="https://i.stack.imgur.com/zOxxR.png" alt="enter image description here"></a></p>
  
  <p>But it wasn't. I tried the solution mentioned above. Username and EMail are properly set. I did save everything, tried restarting the machine and a few other minor things. Nothing worked - i can't commit.</p>
  
  <p>Any help appreciated.</p>
  
  <p><strong>EDIT</strong></p>
  
  <p>I got it to work by commiting manually and adding changes before with</p>
  
  <pre><code>git commit -a -m "Fixes"
  </code></pre>
  
  <p>I will keep an eye on that if it happens again once i made more changes and report here if so.</p>