Cloning this repository:

git clone git://gitorious.org/~mgiacolwn/gsc/mgiacolwns-mgiacolwns-mainline.git mgiacolwns-mgiacolwns-mainline
cd mgiacolwns-mgiacolwns-mainline

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

git remote add mgiacolwns-mgiacolwns-mainline git://gitorious.org/~mgiacolwn/gsc/mgiacolwns-mgiacolwns-mainline.git
git fetch mgiacolwns-mgiacolwns-mainline
git checkout -b my-local-tracking-branch mgiacolwns-mgiacolwns-mainline/master_or_other_branch