Cloning this repository:

git clone git://gitorious.org/osso-abook-plugin-example/osso-abook-plugin-example.git osso-abook-plugin-example
cd osso-abook-plugin-example

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

git remote add osso-abook-plugin-example git://gitorious.org/osso-abook-plugin-example/osso-abook-plugin-example.git
git fetch osso-abook-plugin-example
git checkout -b my-local-tracking-branch osso-abook-plugin-example/master_or_other_branch