nixos/elephant: init service

nixos/doc/manual/release-notes/rl-2605.section.md

@@ -36,6 +36,8 @@
 
 - [dsearch](https://github.com/AvengeMedia/danksearch), a fast filesystem search service with fuzzy matching. Available as [programs.dsearch](#opt-programs.dsearch.enable).
 
+- [Elephant](https://github.com/abenz1267/elephant), a data provider service and backend for building custom application launchers. Available as [services.elephant](#opt-services.elephant.enable).
+
 - [Dunst](https://github.com/dunst-project/dunst), a lightweight and customizable notification daemon. Available as [services.dunst](#opt-services.dunst.enable).
 
 - [Ente Auth](https://ente.io/auth/), an open source 2FA authenticator, with end-to-end encrypted backups. Available as [programs.ente-auth](#opt-programs.ente-auth.enable).

nixos/modules/module-list.nix

@@ -843,6 +843,7 @@
   ./services/misc/dump1090-fa.nix
   ./services/misc/dwm-status.nix
   ./services/misc/dysnomia.nix
+  ./services/misc/elephant.nix
   ./services/misc/errbot.nix
   ./services/misc/ersatztv.nix
   ./services/misc/etebase-server.nix

nixos/modules/services/misc/elephant.nix

@@ -0,0 +1,37 @@
+{
+  config,
+  lib,
+  pkgs,
+  ...
+}:
+
+let
+  cfg = config.services.elephant;
+in
+{
+  options.services.elephant = {
+    enable = lib.mkEnableOption "Elephant application launcher backend";
+
+    package = lib.mkPackageOption pkgs "elephant" { };
+  };
+
+  config = lib.mkIf cfg.enable {
+    systemd.user.services.elephant = {
+      description = "Elephant application launcher backend";
+      wantedBy = [ "graphical-session.target" ];
+      partOf = [ "graphical-session.target" ];
+      after = [ "graphical-session.target" ];
+      serviceConfig = {
+        Restart = "always";
+        RestartSec = 10;
+        ExecStart = "${cfg.package}/bin/elephant";
+      };
+    };
+
+    environment.systemPackages = [ cfg.package ];
+  };
+
+  meta.maintainers = with lib.maintainers; [
+    saadndm
+  ];
+}