Cloning this repository:

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

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

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