Cloning this repository:

git clone git://gitorious.org/~adoris/xf86-video-s3c64xx/adoriss-xf86-video-s3c64xx.git adoriss-xf86-video-s3c64xx
cd adoriss-xf86-video-s3c64xx

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

git remote add adoriss-xf86-video-s3c64xx git://gitorious.org/~adoris/xf86-video-s3c64xx/adoriss-xf86-video-s3c64xx.git
git fetch adoriss-xf86-video-s3c64xx
git checkout -b my-local-tracking-branch adoriss-xf86-video-s3c64xx/master_or_other_branch