Cloning this repository:

git clone git://gitorious.org/~khallebal/qt/khallebals-qt-haiku-port.git khallebals-qt-haiku-port
cd khallebals-qt-haiku-port

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

git remote add khallebals-qt-haiku-port git://gitorious.org/~khallebal/qt/khallebals-qt-haiku-port.git
git fetch khallebals-qt-haiku-port
git checkout -b my-local-tracking-branch khallebals-qt-haiku-port/master_or_other_branch