with (import (builtins.fetchGit {
  name = "nixpkgs-20.03";
  url = "git@github.com:nixos/nixpkgs.git";
  rev = "5272327b81ed355bbed5659b8d303cf2979b6953";
  ref = "refs/tags/20.03";
}){});

mkShell {

  buildInputs = [
    bs-platform
    ocamlformat
    nodejs
    python3
    tmux
    tmuxinator
  ];

}