title: Integrating only some changes from another branch's latest commit
body: <p>Assume a branch named <strong>A</strong>.<br>
  From <strong>A</strong>, a new branch is created named <strong>B</strong>.   </p>
  
  <p><strong>B</strong> evolves involving creation of <strong>ONE</strong> commit about creation of 3 files: </p>
  
  <ul>
  <li><strong>File1</strong></li>
  <li><strong>File2</strong></li>
  <li><strong>File3</strong> </li>
  </ul>
  
  <p>while <strong>A</strong> remains unaltered.</p>
  
  <p>I want to create a branch named <strong>C</strong> from <strong>A</strong>, integrating <strong>ONLY</strong> <strong>File1</strong> and <strong>File2</strong> from <strong>B</strong>.</p>
  
  <p>What is a good practice to handle this case, without any basic and ugly copy/paste?</p>