Cloning this repository:

git clone git://gitorious.org/nmbscan/nmbscan.git nmbscan
cd nmbscan

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

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