The place to download code for projects on Gitorious (as code, not as a clone of the repository) has proven difficult to find for several people, including myself.
For a project without tags and branches that you just want to download HEAD, the path looks like:
gitorious.org/projectname/repositoryname/archive-tarball/master
To find it, go to your project page and click for either the commit log or the source code tree of a repository, and it will add this link on the side for "Download master as tar.gz"
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