'-r' does not install findlib before installing opam * - ocamlbrew-installed findlib won't currently work with OCaml 4.02.1 because findlib requires camlp4 and OCaml 4.02.x doesn't include camlp4 in the main distribution. Installing findlib via opam should still work properly.
…tting many long-named environment variables
Before this you had to know to check the log when something goes wrong. There was no message displayed in the terminal to say that anything bad had happened.