Cloning this repository:

git clone git://gitorious.org/~mattijs/git-python/mattijss-gitpython.git mattijss-gitpython
cd mattijss-gitpython

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

git remote add mattijss-gitpython git://gitorious.org/~mattijs/git-python/mattijss-gitpython.git
git fetch mattijss-gitpython
git checkout -b my-local-tracking-branch mattijss-gitpython/master_or_other_branch