Git Export Archive

http://gitready.com/intermediate/2009/01/29/exporting-your-repository.html
http://stackoverflow.com/questions/160608/how-to-do-a-git-export-like-svn-export

git archive master | tar -x -C /somewhere/else
git archive master | bzip2 >source-tree.tar.bz2
git archive –format zip –output /full/path/to/zipfile.zip master
git help archive