Cloning this repository:

git clone git://gitorious.org/~pgriffiths/qt-components/pgriffiths-qt-components-desktop.git pgriffiths-qt-components-desktop
cd pgriffiths-qt-components-desktop

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

git remote add pgriffiths-qt-components-desktop git://gitorious.org/~pgriffiths/qt-components/pgriffiths-qt-components-desktop.git
git fetch pgriffiths-qt-components-desktop
git checkout -b my-local-tracking-branch pgriffiths-qt-components-desktop/master_or_other_branch