title: making changes on remote branches
body: <p>I have a branch on origin branch1.</p>
  
  <p>How do I checkout the branch and make changes on that branch and then push the changes back to origin.</p>
  
  <p>So checkout origin/branch1</p>
  
  <p>make changes on that branch</p>
  
  <p>then push to origin </p>