{
  lib,
  beamPackages,
  fetchFromGitea,
  fetchFromGitHub,
  fetchFromGitLab,
  cmake,
  file,
  writeText,
  writeScript,
  applyPatches,
  libxcrypt,
  ...
}: let
  source = builtins.fromJSON (builtins.readFile ./source.json);
  src = applyPatches {
    src = fetchFromGitea {
      domain = "akkoma.dev";
      owner = "AkkomaGang";
      repo = "akkoma";
      inherit (source) rev sha256;
    };
    patches = [./akkoma.patch];
  };
in
  beamPackages.mixRelease rec {
    pname = "akkoma";
    version = source.date;

    inherit src;

    # Correct version number and remove dependency on OS_Mon
    postPatch = ''
      sed -E -i \
        -e 's/(version\(")\d+\.\d+\.\d+("\))/\1${version}\2/' \
        -e 's/(^|\s):os_mon,//' \
        mix.exs
    '';

    # cf. https://github.com/whitfin/cachex/issues/205
    stripDebug = false;

    mixNixDeps = import ./mix.nix {
      inherit beamPackages lib;
      overrides = final: prev: {
        # mix2nix does not support git dependencies yet,
        # so we need to add them manually
        captcha = beamPackages.buildMix rec {
          name = "captcha";
          version = "0.1.0";

          src = fetchFromGitLab {
            domain = "git.pleroma.social";
            group = "pleroma";
            owner = "elixir-libraries";
            repo = "elixir-captcha";
            rev = "e0f16822d578866e186a0974d65ad58cddc1e2ab";
            sha256 = "0qbf86l59kmpf1nd82v4141ba9ba75xwmnqzpgbm23fa1hh8pi9c";
          };
          beamDeps = with final; [];
        };
        crypt = beamPackages.buildRebar3 rec {
          name = "crypt";
          version = "0.4.3";

          src = fetchFromGitHub {
            owner = "msantos";
            repo = "crypt";
            rev = "f75cd55325e33cbea198fb41fe41871392f8fb76";
            sha256 = "sha256-ZYhZTe7cTITkl8DZ4z2IOlxTX5gnbJImu/lVJ2ZjR1o=";
          };

          postInstall = "mv $out/lib/erlang/lib/crypt-${version}/priv/{source,crypt}.so";

          beamDeps = with final; [elixir_make];
          buildInputs = [libxcrypt];
        };
        elasticsearch = beamPackages.buildMix rec {
          name = "elasticsearch";
          version = "1.0.1";

          src = fetchFromGitea {
            domain = "akkoma.dev";
            owner = "AkkomaGang";
            repo = "elasticsearch-elixir";
            rev = "6cd946f75f6ab9042521a009d1d32d29a90113ca";
            hash = "sha256-CtmQHVl+VTpemne+nxbkYGcErrgCo+t3ZBPbkFSpyF0=";
          };

          beamDeps = with final; [];
        };
        gettext = beamPackages.buildMix {
          name = "gettext";
          version = "0.19.1";

          src = fetchFromGitHub {
            owner = "tusooa";
            repo = "gettext";
            rev = "72fb2496b6c5280ed911bdc3756890e7f38a4808";
            hash = "sha256-V0qmE+LcAbVoWsJmWE4fwrduYFIZ5BzK/sGzgLY3eH0=";
          };

          beamDeps = with final; [];
        };
        linkify = beamPackages.buildMix rec {
          name = "linkify";
          version = "0.5.2";

          src = fetchFromGitea {
            domain = "akkoma.dev";
            owner = "AkkomaGang";
            repo = "linkify";
            rev = "2567e2c1073fa371fd26fd66dfa5bc77b6919c16";
            hash = "sha256-e3wzlbRuyw/UB5Tb7IozX/WR1T+sIBf9C/o5Thki9vg=";
          };

          beamDeps = with final; [];
        };
        mfm_parser = beamPackages.buildMix rec {
          name = "mfm_parser";
          version = "0.1.1";

          src = fetchFromGitea {
            domain = "akkoma.dev";
            owner = "AkkomaGang";
            repo = "mfm-parser";
            rev = "912fba81152d4d572e457fd5427f9875b2bc3dbe";
            hash = "sha256-n3WmERxKK8VM8jFIBAPS6GkbT7/zjqi3AjjWbjOdMzs=";
          };

          beamDeps = with final; [phoenix_view temple];
        };
        remote_ip = beamPackages.buildMix rec {
          name = "remote_ip";
          version = "0.1.5";

          src = fetchFromGitLab {
            domain = "git.pleroma.social";
            group = "pleroma";
            owner = "elixir-libraries";
            repo = "remote_ip";
            rev = "b647d0deecaa3acb140854fe4bda5b7e1dc6d1c8";
            sha256 = "0c7vmakcxlcs3j040018i7bfd6z0yq6fjfig02g5fgakx398s0x6";
          };
          beamDeps = with final; [combine plug inet_cidr];
        };
        search_parser = beamPackages.buildMix rec {
          name = "search_parser";
          version = "0.1.0";

          src = fetchFromGitHub {
            owner = "FloatingGhost";
            repo = "pleroma-contrib-search-parser";
            rev = "08971a81e68686f9ac465cfb6661d51c5e4e1e7f";
            hash = "sha256-sbo9Kcp2oT05o2GAF+IgziLPYmCkWgBfFMBCytmqg3Y=";
          };

          beamDeps = with final; [nimble_parsec];
        };
        temple = beamPackages.buildMix rec {
          name = "temple";
          version = "0.9.0-rc.0";

          src = fetchFromGitea {
            domain = "akkoma.dev";
            owner = "AkkomaGang";
            repo = "temple";
            rev = "066a699ade472d8fa42a9d730b29a61af9bc8b59";
            hash = "sha256-qA0z8WTMjO2OixcZBARn/LbuV3s3LGtwZ9nSjj/tWBc=";
          };

          mixEnv = "dev";
          beamDeps = with final; [earmark_parser ex_doc makeup makeup_elixir makeup_erlang nimble_parsec];
        };

        # Some additional build inputs and build fixes
        fast_html = prev.fast_html.override {
          nativeBuildInputs = [cmake];
          dontUseCmakeConfigure = true;
        };
        http_signatures = prev.http_signatures.override {
          patchPhase = ''
            substituteInPlace mix.exs --replace ":logger" ":logger, :public_key"
          '';
        };
        majic = prev.majic.override {
          buildInputs = [file];
        };
        syslog = prev.syslog.override {
          buildPlugins = with beamPackages; [pc];
        };

        mime = prev.mime.override {
          patchPhase = let
            cfgFile = writeText "config.exs" ''
              use Mix.Config
              config :mime, :types, %{
                "application/activity+json" => ["activity+json"],
                "application/jrd+json" => ["jrd+json"],
                "application/ld+json" => ["activity+json"],
                "application/xml" => ["xml"],
                "application/xrd+xml" => ["xrd+xml"]
              }
            '';
          in ''
            mkdir config
            cp ${cfgFile} config/config.exs
          '';
        };
      };
    };

    passthru = {
      inherit mixNixDeps;
      updateScript = writeScript "update-akkoma" ''
        ${../scripts/update-git.sh} https://akkoma.dev/AkkomaGang/akkoma.git akkoma/source.json
        SRC_PATH=$(nix-build -E '(import ./. {}).${pname}.src')
        ${../scripts/update-mix.sh} $SRC_PATH akkoma/mix.nix
      '';
    };

    meta = with lib; {
      description = "ActivityPub microblogging server";
      homepage = "https://akkoma.dev";
      license = licenses.agpl3;
      platforms = platforms.unix;
    };
  }