Cloning this repository:

git clone git://gitorious.org/+qt-jambi-community/qt-jambi/jambi-scripting-support.git jambi-scripting-support
cd jambi-scripting-support

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

git remote add jambi-scripting-support git://gitorious.org/+qt-jambi-community/qt-jambi/jambi-scripting-support.git
git fetch jambi-scripting-support
git checkout -b my-local-tracking-branch jambi-scripting-support/master_or_other_branch