Cloning this repository:

git clone git://gitorious.org/~allquixotic/banshee/allquixotics-mainline.git allquixotics-mainline
cd allquixotics-mainline

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

git remote add allquixotics-mainline git://gitorious.org/~allquixotic/banshee/allquixotics-mainline.git
git fetch allquixotics-mainline
git checkout -b my-local-tracking-branch allquixotics-mainline/master_or_other_branch