{ 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 "Haskell documentation server"; port = mkOption { type = types.int; default = 8080; description = '' Port number Hoogle will be listening to. ''; }; packages = mkOption { type = types.functionTo (types.listOf types.package); default = hp: []; defaultText = "hp: []"; example = "hp: with hp; [ text lens ]"; description = '' The Haskell packages to generate documentation for. The option value is a function that takes the package set specified in the haskellPackages option as its sole parameter and returns a list of packages. ''; }; haskellPackages = mkOption { description = "Which haskell package set to use."; default = pkgs.haskellPackages; defaultText = "pkgs.haskellPackages"; }; home = mkOption { type = types.str; description = "Url for hoogle logo"; default = "https://hoogle.haskell.org"; }; host = mkOption { type = types.str; description = "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"; }; }; }; }