title: Copy changes from one branch to another
body: <p>I have a branch named <code>BranchA</code> from <code>master</code>. I have some changes in <code>BranchA</code> (I am not going to merge changes from <code>BranchA</code> to <code>master</code>).</p>
  <p>Now I have created another branch from <code>master</code> named <code>BranchB</code>.</p>
  <p>How can I copy the changes from <code>BranchA</code> to <code>BranchB</code>?</p>