Cloning this repository:

git clone git://gitorious.org/~dtucker/qt-labs/dtuckers-simplegl.git dtuckers-simplegl
cd dtuckers-simplegl

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

git remote add dtuckers-simplegl git://gitorious.org/~dtucker/qt-labs/dtuckers-simplegl.git
git fetch dtuckers-simplegl
git checkout -b my-local-tracking-branch dtuckers-simplegl/master_or_other_branch