Cloning this repository:

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

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

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