mobilizon/default.nix

{ lib
, beam_nox
, fetchFromGitHub
, git
, cmake
, nixosTests
, src
, src-config
, mobilizon-js
}:

let
  inherit (beam_nox.packages.erlang) mixRelease buildMix;
in
mixRelease rec {
  pname = "mobilizon";

  # This has to be kept in sync with the version in mix.exs and package.json!
  # Otherwise the nginx routing isn't going to work properly.
  version = "5.0.0-beta.1";

  inherit src;

  # See https://github.com/whitfin/cachex/issues/205
  # This circumvents a startup error for now
  stripDebug = false;

  nativeBuildInputs = [ git cmake ];

  # Update deps.nix by running `mix deps.nix`
  mixNixDeps = import ./deps.nix {
    inherit lib;
    beamPackages = beam_nox.packages.erlang;
    overrides = (final: prev:
      (lib.mapAttrs
        (_: value: value.override {
          appConfigPath = src-config;
        })
        prev) // {
        fast_html = prev.fast_html.override {
          nativeBuildInputs = [ cmake ];
        };
        ex_cldr = prev.ex_cldr.overrideAttrs (old: {
          # We have to use the GitHub sources, as it otherwise tries to download
          # the locales at build time.
          src = fetchFromGitHub {
            owner = "elixir-cldr";
            repo = "cldr";
            rev = "v${old.version}";
            sha256 = assert old.version == "2.37.5";
              "sha256-T5Qvuo+xPwpgBsqHNZYnTCA4loToeBn1LKTMsDcCdYs=";
          };
          postInstall = ''
            cp $src/priv/cldr/locales/* $out/lib/erlang/lib/ex_cldr-${old.version}/priv/cldr/locales/
          '';
        });

      });
  };

  preConfigure = ''
    export LANG=C.UTF-8 # fix elixir locale warning
  '';

  # Install the compiled js part
  preBuild =
    ''
      cp -a "${mobilizon-js}/_napalm-install/priv/static" ./priv
      chmod 770 -R ./priv
    '';

  postBuild = ''
    mix phx.digest --no-deps-check
  '';

  # Just a hack to reduce path size by 60MB
  postInstall =
    let
      inherit (mixNixDeps) ex_cldr;
    in
    ''
      rm -r $out/lib/ex_cldr-${ex_cldr.version}/priv/cldr/locales
      ln -s ${ex_cldr.src}/priv/cldr/locales $out/lib/ex_cldr-${ex_cldr.version}/priv/cldr/locales
    '';

  passthru.elixirPackage = beam_nox.packages.erlang.elixir;

  meta = with lib; {
    description = "Mobilizon is an online tool to help manage your events, your profiles and your groups";
    homepage = "https://joinmobilizon.org/";
    license = licenses.agpl3Plus;
    maintainers = with maintainers; [ minijackson erictapen ];
  };
}