Cloning this repository:

git clone git://gitorious.org/~jakobwesthoff/node-assert-extras/jakobwesthoffs-mainline.git jakobwesthoffs-mainline
cd jakobwesthoffs-mainline

Add this repository as a remote to an existing local repository:

git remote add jakobwesthoffs-mainline git://gitorious.org/~jakobwesthoff/node-assert-extras/jakobwesthoffs-mainline.git
git fetch jakobwesthoffs-mainline
git checkout -b my-local-tracking-branch jakobwesthoffs-mainline/master_or_other_branch