Cloning this repository:

git clone git://gitorious.org/~memos31/arch-linux-greece/memos31s-arch-linux-greece.git memos31s-arch-linux-greece
cd memos31s-arch-linux-greece

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

git remote add memos31s-arch-linux-greece git://gitorious.org/~memos31/arch-linux-greece/memos31s-arch-linux-greece.git
git fetch memos31s-arch-linux-greece
git checkout -b my-local-tracking-branch memos31s-arch-linux-greece/master_or_other_branch