1 files changed, 81 insertions, 0 deletions
diff --git a/Omni/Dev/Hoogle.nix b/Omni/Dev/Hoogle.nix
new file mode 100644
index 0000000..213a31c
--- /dev/null
+++ b/Omni/Dev/Hoogle.nix
@@ -0,0 +1,81 @@
+{ config, lib, pkgs, ... }:
+
+with lib;
+
+let
+
+  cfg = config.services.my-hoogle;
+
+  hoogleEnv = pkgs.buildEnv {
+    name = "hoogle";
+    paths = [ (cfg.haskellPackages.ghcWithHoogle cfg.packages) ];
+  };
+
+in {
+
+  options.services.my-hoogle = {
+    enable = mkEnableOption "Haskell documentation server";
+
+    port = mkOption {
+      type = types.int;
+      default = 8080;
+      description = ''
+        Port number Hoogle will be listening to.
+      '';
+    };
+
+    packages = mkOption {
+      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 <varname>haskellPackages</varname> 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";
+      };
+    };
+  };
+
+}