Cloning this repository:

git clone git://gitorious.org/~alexwolf/qt-labs/alexwolfs-qml-presentation-system.git alexwolfs-qml-presentation-system
cd alexwolfs-qml-presentation-system

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

git remote add alexwolfs-qml-presentation-system git://gitorious.org/~alexwolf/qt-labs/alexwolfs-qml-presentation-system.git
git fetch alexwolfs-qml-presentation-system
git checkout -b my-local-tracking-branch alexwolfs-qml-presentation-system/master_or_other_branch