Cloning this repository:

git clone git://gitorious.org/~ershkus/qutim/ershkuss-protocols.git ershkuss-protocols
cd ershkuss-protocols

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

git remote add ershkuss-protocols git://gitorious.org/~ershkus/qutim/ershkuss-protocols.git
git fetch ershkuss-protocols
git checkout -b my-local-tracking-branch ershkuss-protocols/master_or_other_branch