Cloning this repository:

git clone git://gitorious.org/yag/mainline.git mainline
cd mainline

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

git remote add mainline git://gitorious.org/yag/mainline.git
git fetch mainline
git checkout -b my-local-tracking-branch mainline/master_or_other_branch

Cloning this repository:

git clone git://gitorious.org/~soma/yag/somas-clone.git somas-clone
cd somas-clone

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

git remote add somas-clone git://gitorious.org/~soma/yag/somas-clone.git
git fetch somas-clone
git checkout -b my-local-tracking-branch somas-clone/master_or_other_branch