That can be done and should be done. In IRC #rosettacode on freenode and ask if someone of the admins will add: http://www.mediawiki.org/wiki/Template:Wikimedia

That can be done and should be done. In IRC #rosettacode on freenode and ask if someone of the admins will add: http://www.mediawiki.org/wiki/Template:WikimediaGitCheckout http://www.mediawiki.org/wiki/Template:WikimediaGitCheckout or if you can contribute something to their wiki's sourcecode. It IS GPL, so you will be able to retrieve the code! :)