nixos/akkoma: remove IFD (#382944)

    substring

    versionOlder

    fileContents

    readFile

    literalExpression

    in replaceSec' { };

  # Erlang/Elixir uses a somewhat special format for IP addresses

  erlAddr = addr: fileContents

    (pkgs.runCommand addr {

      nativeBuildInputs = [ cfg.package.elixirPackage ];

      code = ''

        case :inet.parse_address('${addr}') do

          {:ok, addr} -> IO.inspect addr

          {:error, _} -> System.halt(65)

        end

      '';

      passAsFile = [ "code" ];

    } ''elixir "$codePath" >"$out"'');

  erlAddr = addr:

    let

      isIPv4 = (lib.match "^([0-9]+\\.){3}[0-9]+$" addr) != null;

    in

    if isIPv4 then

      "{${lib.concatStringsSep "," (lib.splitString "." addr)}}"

    else

      let

        inherit (lib.network.ipv6.fromString addr) address;

        parsed = lib.map (x: "16#${x}") (lib.splitString ":" address);

      in

      "{${lib.concatStringsSep "," parsed}}";

  configFile = format.generate "config.exs"

    (replaceSec

        AKKOMA_CONFIG_PATH="''${RUNTIME_DIRECTORY%%:*}/config.exs" \

        ERL_EPMD_ADDRESS="${cfg.dist.address}" \

        ERL_EPMD_PORT="${toString cfg.dist.epmdPort}" \

        ERL_FLAGS=${escapeShellArg (escapeShellArgs ([

        ERL_FLAGS="${escapeShellArgs ([

          "-kernel" "inet_dist_use_interface" (erlAddr cfg.dist.address)

          "-kernel" "inet_dist_listen_min" (toString cfg.dist.portMin)

          "-kernel" "inet_dist_listen_max" (toString cfg.dist.portMax)

        ] ++ cfg.dist.extraFlags))} \

        ] ++ cfg.dist.extraFlags)}" \

        RELEASE_COOKIE="$(<"''${RUNTIME_DIRECTORY%%:*}/cookie")" \

        RELEASE_NAME="akkoma" \

          exec "${cfg.package}/bin/$(basename "$0")" "$@"