No, there actually isn't. If you click a little green "read about installing" you'll get some bash snippets... which are split up into one-line-at-a-time embeds

No, there actually isn't. If you click a little green "read about installing" you'll get some bash snippets... which are split up into one-line-at-a-time embeds in lots of text and in any case use the placeholder "ppa:user/ppa-name" instead of substituting in the Right Thing.