Cloning this repository:

git clone git://gitorious.org/~xstif/pyside/xstifs-pyside-boost.git xstifs-pyside-boost
cd xstifs-pyside-boost

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

git remote add xstifs-pyside-boost git://gitorious.org/~xstif/pyside/xstifs-pyside-boost.git
git fetch xstifs-pyside-boost
git checkout -b my-local-tracking-branch xstifs-pyside-boost/master_or_other_branch