Cloning this repository:

git clone git://gitorious.org/+test123/qtwebkit/test123-testfonts.git test123-testfonts
cd test123-testfonts

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

git remote add test123-testfonts git://gitorious.org/+test123/qtwebkit/test123-testfonts.git
git fetch test123-testfonts
git checkout -b my-local-tracking-branch test123-testfonts/master_or_other_branch