Cloning this repository:

git clone git://gitorious.org/qt-labs/qtscript-remote-debugging.git qtscript-remote-debugging
cd qtscript-remote-debugging

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

git remote add qtscript-remote-debugging git://gitorious.org/qt-labs/qtscript-remote-debugging.git
git fetch qtscript-remote-debugging
git checkout -b my-local-tracking-branch qtscript-remote-debugging/master_or_other_branch