Following these excellent instructions for enabling Git bash autocompletion in OSX:
curl https://raw.github.com/git/git/master/contrib/completion/git-completion.bash -o ~/.git-completion.bash
echo "source ~/.git-completion.bash" >> ~/.bash_profile
I get the following output when I type "git TabTab" at the command line:

Following multiple different tutorials produces the same result. Either I don't know the right search terms or there is just very little documented about this issue...
Anyone encountered similar issues implementing git autocompletion for OSX? Running Lion if that's important.