updating a github forked repository

For people hacking on stuff using github repos:
Whenever you fork someone else's repo, make some changes to it, and then want to update your repo with the changes made upstream by the author, it's easy enough as:

# Add the remote, call it "upstream":  
git remote add upstream https://github …

colored git output

Ok, another issue I was facing after returning to Slackware:
I was getting weird escape codes in the terminal when issuing some git commands, like git log or git diff:

ESC[33mcommit e5f753a1ae0acf48110589ed654c1e1f67fd1a6fESC[m
Author: Floyd ****
Date:   Fri Jan 24 13:13:33 2014 -0800

    Initial commit

ESC[1mdiff --git …