Cloning this repository:

git clone git://gitorious.org/~theo/qtquicktests/theos-qtquicktests.git theos-qtquicktests
cd theos-qtquicktests

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

git remote add theos-qtquicktests git://gitorious.org/~theo/qtquicktests/theos-qtquicktests.git
git fetch theos-qtquicktests
git checkout -b my-local-tracking-branch theos-qtquicktests/master_or_other_branch