title: Git Permission Issue in Terminal
body: <ol>
  <li>Team Lead Created A repository</li>
  <li>Pushed Two files with permission 655 and 755 respectively.</li>
  <li>Clone the repository by another team member A by terminal.</li>
  <li>Trying to edit the file in sublime text and its showing <strong>permission denied</strong> message upon saving.</li>
  <li>gave 777 permission to folder with recursive mode and finish the editing</li>
  <li>Push the changes by team member A and completes</li>
  <li>Team Lead pull the changes via terminal,got the latest file and again changed the permission to 755.</li>
  <li>Only work on file after making the permission to 777.</li>
  </ol>
  
  <p>Why this happening like this in ubuntu ?
  The permission switching is making problems for me.. Any Idea for recovering this issue ?</p>