RULE DOMAIN

I'm using PHPStorm for source maintenance. One of the steps I want to do on a regular basis is to properly sync my GitHub fork with the original. I installed the GitHub plugin to PHPStorm but could not find anything that would provide what I wanted to do. I also installed GitHub Desktop but again was unable to find the magic sequences of events. I suspect it has to be there in GitHub Desktop but the solution wasn't "in my face.