Cloning this repository:

git clone git://gitorious.org/meego-middleware/qtmobility-sensors-backend.git qtmobility-sensors-backend
cd qtmobility-sensors-backend

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

git remote add qtmobility-sensors-backend git://gitorious.org/meego-middleware/qtmobility-sensors-backend.git
git fetch qtmobility-sensors-backend
git checkout -b my-local-tracking-branch qtmobility-sensors-backend/master_or_other_branch