Cloning this repository:

git clone git://gitorious.org/canaima-gnu-linux/canaima-firmware.git canaima-firmware
cd canaima-firmware

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

git remote add canaima-firmware git://gitorious.org/canaima-gnu-linux/canaima-firmware.git
git fetch canaima-firmware
git checkout -b my-local-tracking-branch canaima-firmware/master_or_other_branch