Cloning this repository:

git clone git://gitorious.org/~theodor/meego-device-adaptation/theodors-n900_kernel.git theodors-n900_kernel
cd theodors-n900_kernel

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

git remote add theodors-n900_kernel git://gitorious.org/~theodor/meego-device-adaptation/theodors-n900_kernel.git
git fetch theodors-n900_kernel
git checkout -b my-local-tracking-branch theodors-n900_kernel/master_or_other_branch