Cloning this repository:

git clone git://gitorious.org/~websemiotic/owncloud/websemiotics-owncloud.git websemiotics-owncloud
cd websemiotics-owncloud

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

git remote add websemiotics-owncloud git://gitorious.org/~websemiotic/owncloud/websemiotics-owncloud.git
git fetch websemiotics-owncloud
git checkout -b my-local-tracking-branch websemiotics-owncloud/master_or_other_branch