Cloning this repository:

git clone git://gitorious.org/~johnnychuang/0xlab-kernel/johnnychuangs-kernel.git johnnychuangs-kernel
cd johnnychuangs-kernel

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

git remote add johnnychuangs-kernel git://gitorious.org/~johnnychuang/0xlab-kernel/johnnychuangs-kernel.git
git fetch johnnychuangs-kernel
git checkout -b my-local-tracking-branch johnnychuangs-kernel/master_or_other_branch