Cloning this repository:

git clone git://gitorious.org/~linamen/qt/linamens-x11-maemo.git linamens-x11-maemo
cd linamens-x11-maemo

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

git remote add linamens-x11-maemo git://gitorious.org/~linamen/qt/linamens-x11-maemo.git
git fetch linamens-x11-maemo
git checkout -b my-local-tracking-branch linamens-x11-maemo/master_or_other_branch