Cloning this repository:

git clone git://gitorious.org/~encrypsis/android-n900/encrypsiss-platform_system_vold-irellevant.git encrypsiss-platform_system_vold-irellevant
cd encrypsiss-platform_system_vold-irellevant

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

git remote add encrypsiss-platform_system_vold-irellevant git://gitorious.org/~encrypsis/android-n900/encrypsiss-platform_system_vold-irellevant.git
git fetch encrypsiss-platform_system_vold-irellevant
git checkout -b my-local-tracking-branch encrypsiss-platform_system_vold-irellevant/master_or_other_branch