Cloning this repository:

git clone git://gitorious.org/wpbkp/wpbkp.git wpbkp
cd wpbkp

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

git remote add wpbkp git://gitorious.org/wpbkp/wpbkp.git
git fetch wpbkp
git checkout -b my-local-tracking-branch wpbkp/master_or_other_branch