flake.nix

{
  description = "Tokenizers";

  inputs = {
    fenix = {
      url = "github:nix-community/fenix";
      inputs.nixpkgs.follows = "nixpkgs";
    };
    nixpkgs.url = "nixpkgs/nixos-unstable";
    flake-utils.url = "github:numtide/flake-utils";
  };

  outputs = {
    self,
    nixpkgs,
    flake-utils,
    fenix,
  }:
    flake-utils.lib.eachSystem [
      flake-utils.lib.system.x86_64-linux
      flake-utils.lib.system.x86_64-darwin
      flake-utils.lib.system.aarch64-darwin
      flake-utils.lib.system.aarch64-linux
    ]
    (system: let
      pkgs = import nixpkgs {inherit system;};
    in {
      devShell = pkgs.mkShell {
        buildInputs = with pkgs;
          [
            act
            binutils
            clang
            elixir_1_15
            (fenix.packages."${system}".complete.withComponents [
              "cargo"
              "clippy"
              "rust-src"
              "rustc"
              "rustfmt"
            ])
            gcc
            libiconv
            openssl
            pkg-config
          ]
          ++ lib.optionals stdenv.isDarwin [
            darwin.apple_sdk.frameworks.Foundation
            darwin.apple_sdk.frameworks.Carbon
            darwin.apple_sdk.frameworks.AppKit
          ];
        shellHook = ''
          mkdir -p .nix-mix
          mkdir -p .nix-hex
          export MIX_HOME=$PWD/.nix-mix
          export HEX_HOME=$PWD/.nix-hex
          export PATH=$MIX_HOME/bin:$PATH
          export PATH=$HEX_HOME/bin:$PATH
          export PATH=$MIX_HOME/escripts:$PATH
          export ERL_AFLAGS="-kernel shell_history enabled"
        '';
      };
    });
}