Everything you want to publish , as long as I can always checkout the bare bones cpan distribution branch.

I think everything should go into your private repository, but you should only share/publish (like on github) that which isn't private. According to your original post everything should go into your public repository except maybe some config files (local passwords/keys)

blead is blead (trunk in svn parlance, current main branch), something perlhackers will understand, and you might want to explain in some kind of REPO-README