Cloning this repository:

git clone git://gitorious.org/+qt-developers/qt/qt-developers-lighthouse.git qt-developers-lighthouse
cd qt-developers-lighthouse

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

git remote add qt-developers-lighthouse git://gitorious.org/+qt-developers/qt/qt-developers-lighthouse.git
git fetch qt-developers-lighthouse
git checkout -b my-local-tracking-branch qt-developers-lighthouse/master_or_other_branch