citadel

My dotfiles, scripts and nix configs
git clone git://jb55.com/citadel
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default.nix (1567B)

      1 { config, lib, pkgs, ... }:
      2 
      3 with lib;
      4 
      5 let
      6 
      7   cfg = config.services.hoogle;
      8   ghcWithHoogle = pkgs.haskellPackages.ghcWithHoogle;
      9 
     10 in {
     11 
     12   options.services.hoogle = {
     13     enable = mkOption {
     14       type = types.bool;
     15       default = false;
     16       example = true;
     17       description = ''
     18         Enable Hoogle to run a documentation server for a list of haskell packages
     19       '';
     20     };
     21 
     22     port = mkOption {
     23       type = types.int;
     24       default = 8080;
     25       description = ''
     26         Number of the port Hoogle will be listening to.
     27       '';
     28     };
     29 
     30     packages = mkOption {
     31       default = hp: [];
     32       example = "hp: with hp; [ text lens ]";
     33       description = ''
     34         A function that takes a haskell package set and returns a list of
     35         packages from it.
     36       '';
     37     };
     38 
     39     haskellPackages = mkOption {
     40       description = "Which haskell package set to use.";
     41       example = "pkgs.haskell.packages.ghc704";
     42       default = pkgs.haskellPackages;
     43       type = types.attrs;
     44     };
     45   };
     46 
     47   config = mkIf cfg.enable {
     48     systemd.services.hoogle = {
     49       description = "Hoogle Haskell documentation search";
     50       wantedBy = [ "multi-user.target" ];
     51       serviceConfig = {
     52         Restart = "always";
     53         ExecStart =
     54           let env = cfg.haskellPackages.ghcWithHoogle cfg.packages;
     55               hoogleEnv = pkgs.buildEnv {
     56                 name = "hoogleServiceEnv";
     57                 paths = [env];
     58               };
     59           in ''
     60             ${hoogleEnv}/bin/hoogle server --local -p ${toString cfg.port}
     61           '';
     62       };
     63     };
     64   };
     65 
     66 }