Cloud9 IDE is one of several new cloud-based products providing the ability to edit, build, test, and deploy code through a collaborative web application. Cloud9 IDE has one especially powerful feature: each workspace (i.e. project or repo) has a Linux home directory persisted along with the code and other settings, and you get a full bash terminal in this directory with
modest but usable resource limits. This means it's possible to install and use a full OCaml toolchain inside, much like
my previous effort on Travis CI.
I
prepared a script to automate the process of installing OCaml and OPAM inside a Cloud9 IDE workspace. Enter into the terminal in any workspace:
curl -L https://raw.github.com/mlin/c9-ocaml/master/c9-ocaml.sh | bash -ex
eval $(opam config env)
The OCaml toolchain and OPAM are then ready to go. Here's a screenshot of compiling and running 'Hello, world!':
