Cloning this repository:

git clone git://gitorious.org/0xdroid/package_apps_camera.git package_apps_camera
cd package_apps_camera

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

git remote add package_apps_camera git://gitorious.org/0xdroid/package_apps_camera.git
git fetch package_apps_camera
git checkout -b my-local-tracking-branch package_apps_camera/master_or_other_branch