Cloning this repository:

git clone git://gitorious.org/~jannek/qtwebkit/janneks-qtscript-integration.git janneks-qtscript-integration
cd janneks-qtscript-integration

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

git remote add janneks-qtscript-integration git://gitorious.org/~jannek/qtwebkit/janneks-qtscript-integration.git
git fetch janneks-qtscript-integration
git checkout -b my-local-tracking-branch janneks-qtscript-integration/master_or_other_branch