Nix Packages for Erlang, Elixir

Installation

Nix

You must have installed nix. See NixOS install for more information.

Cachix (recommended)

Save compile time with binary cache:

$ nix-env -iA cachix -f https://cachix.org/api/v1/install
$ cachix use trevorite

Configuration

Include NUR(Nix User Repository) to ~/.config/nixpkgs/config.nix:

{
  packageOverrides = pkgs: {
    nur = import (builtins.fetchTarball
      "https://github.com/nix-community/NUR/archive/master.tar.gz") {
        inherit pkgs;

        repoOverrides = {
          beam = import (builtins.fetchTarball
            "https://github.com/trevorite/nix-beam/archive/master.tar.gz") { };
        };
      };
  };
}

How to use

Packages can be installed from the nur namespace:

$ nix-env -iA nur.repos.beam.erlang.v24_0
$ erl -eval 'erlang:display(erlang:system_info(otp_release)), halt().'  -noshell
"24"

$ nix-env -iA nur.repos.beam.pkg.v23_3.elixir.v1_11_4
$ elixir --version
Erlang/OTP 23 [erts-10.4] [source] [64-bit] [smp:8:8] [ds:8:8:10] [async-threads:1] [hipe]

Elixir 1.11.4 (compiled with Erlang/OTP 23)

See? You can use Erlang 24.0 and Elixir 1.11.4 on Erlang 23.3 at the same time!

Available packages

See available packages with

$ nix-env -qaP -f https://github.com/trevorite/nix-beam/archive/master.tar.gz