Cloning this repository:

git clone git://gitorious.org/~worker73/0xdroid/worker73s-external_alsa-lib.git worker73s-external_alsa-lib
cd worker73s-external_alsa-lib

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

git remote add worker73s-external_alsa-lib git://gitorious.org/~worker73/0xdroid/worker73s-external_alsa-lib.git
git fetch worker73s-external_alsa-lib
git checkout -b my-local-tracking-branch worker73s-external_alsa-lib/master_or_other_branch