start new:
tmux
start new with session name:
tmux new -s myname
| # kudos to https://github.com/drewlesueur | |
| # stolen from here: https://github.com/blog/266-fast-forward-your-fork#comment-11535 | |
| git checkout -b upstream-master | |
| git remote add upstream git://github.com/documentcloud/underscore.git | |
| git pull upstream master | |
| git checkout master // [my master branch] | |
| git merge upstream-master | |
| git push origin master |