{ lib, beamPackages, overrides ? (x: y: {}) }:

let
  buildRebar3 = lib.makeOverridable beamPackages.buildRebar3;
  buildMix = lib.makeOverridable beamPackages.buildMix;
  buildErlangMk = lib.makeOverridable beamPackages.buildErlangMk;

  self = packages // (overrides self packages);

  packages = with beamPackages; with self; {
    bunt = buildMix rec {
      name = "bunt";
      version = "1.0.0";

      src = fetchHex {
        pkg = "bunt";
        version = "${version}";
        sha256 = "dc5f86aa08a5f6fa6b8096f0735c4e76d54ae5c9fa2c143e5a1fc7c1cd9bb6b5";
      };

      beamDeps = [];
    };

    credo = buildMix rec {
      name = "credo";
      version = "1.7.7";

      src = fetchHex {
        pkg = "credo";
        version = "${version}";
        sha256 = "8bc87496c9aaacdc3f90f01b7b0582467b69b4bd2441fe8aae3109d843cc2f2e";
      };

      beamDeps = [ bunt file_system jason ];
    };

    file_system = buildMix rec {
      name = "file_system";
      version = "1.0.0";

      src = fetchHex {
        pkg = "file_system";
        version = "${version}";
        sha256 = "6752092d66aec5a10e662aefeed8ddb9531d79db0bc145bb8c40325ca1d8536d";
      };

      beamDeps = [];
    };

    jason = buildMix rec {
      name = "jason";
      version = "1.4.3";

      src = fetchHex {
        pkg = "jason";
        version = "${version}";
        sha256 = "9a90e868927f7c777689baa16d86f4d0e086d968db5c05d917ccff6d443e58a3";
      };

      beamDeps = [];
    };

    uuid = buildMix rec {
      name = "uuid";
      version = "1.1.8";

      src = fetchHex {
        pkg = "uuid";
        version = "${version}";
        sha256 = "c790593b4c3b601f5dc2378baae7efaf5b3d73c4c6456ba85759905be792f2ac";
      };

      beamDeps = [];
    };
  };
in self