{ config, lib, pkgs, ... }: with lib; let cfg = config.services.hoogle; hoogleEnv = pkgs.buildEnv { name = "hoogle"; paths = [ (cfg.haskellPackages.ghcWithHoogle cfg.packages) ]; }; in { options.services.hoogle = { enable = mkEnableOption (lib.mdDoc "Haskell documentation server"); port = mkOption { type = types.port; default = 8080; description = lib.mdDoc '' Port number Hoogle will be listening to. ''; }; packages = mkOption { type = types.functionTo (types.listOf types.package); default = hp: []; defaultText = literalExpression "hp: []"; example = literalExpression "hp: with hp; [ text lens ]"; description = lib.mdDoc '' The Haskell packages to generate documentation for. The option value is a function that takes the package set specified in the {var}`haskellPackages` option as its sole parameter and returns a list of packages. ''; }; haskellPackages = mkOption { description = lib.mdDoc "Which haskell package set to use."; type = types.attrs; default = pkgs.haskellPackages; defaultText = literalExpression "pkgs.haskellPackages"; }; home = mkOption { type = types.str; description = lib.mdDoc "Url for hoogle logo"; default = "https://hoogle.haskell.org"; }; host = mkOption { type = types.str; description = lib.mdDoc "Set the host to bind on."; default = "127.0.0.1"; }; }; config = mkIf cfg.enable { systemd.services.hoogle = { description = "Haskell documentation server"; wantedBy = [ "multi-user.target" ]; serviceConfig = { Restart = "always"; ExecStart = ''${hoogleEnv}/bin/hoogle server --local --port ${toString cfg.port} --home ${cfg.home} --host ${cfg.host}''; DynamicUser = true; ProtectHome = true; RuntimeDirectory = "hoogle"; WorkingDirectory = "%t/hoogle"; }; }; }; }