Cloning this repository:

git clone git://gitorious.org/~sidhpurwalahuzaifa/webkitgtk/sidhpurwalahuzaifas-stable.git sidhpurwalahuzaifas-stable
cd sidhpurwalahuzaifas-stable

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

git remote add sidhpurwalahuzaifas-stable git://gitorious.org/~sidhpurwalahuzaifa/webkitgtk/sidhpurwalahuzaifas-stable.git
git fetch sidhpurwalahuzaifas-stable
git checkout -b my-local-tracking-branch sidhpurwalahuzaifas-stable/master_or_other_branch