Cloning this repository:

git clone git://gitorious.org/~aom1/colibri-t20-embedded-linux-bsp/aom1s-colibri_t20-linux-kernel.git aom1s-colibri_t20-linux-kernel
cd aom1s-colibri_t20-linux-kernel

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

git remote add aom1s-colibri_t20-linux-kernel git://gitorious.org/~aom1/colibri-t20-embedded-linux-bsp/aom1s-colibri_t20-linux-kernel.git
git fetch aom1s-colibri_t20-linux-kernel
git checkout -b my-local-tracking-branch aom1s-colibri_t20-linux-kernel/master_or_other_branch