update(services): update to use flakeRoot for paths

modules/nixos/cli/nh/default.nix

@@ -19,7 +19,7 @@ in
       enable = true;
       clean.enable = true;
       clean.extraArgs = "--keep-since 4d --keep 3";
-      flake = "${config.home-manager.users.philipp.home.homeDirectory}/Documents/nix-config";
+      flake = "${config.flakeRoot}";
     };
   };
 

modules/nixos/services/searxng/default.nix

@@ -36,8 +36,7 @@ in
         default = "reddit.stahl.sh";
       };
     };
-
-  };
+};
 
   config = mkIf cfg.enable {
     networking.firewall.allowedTCPPorts = mkIf cfg.nginx.enable [

modules/nixos/system/flakeRoot/default.nix

@@ -0,0 +1,16 @@
+{
+  config,
+  lib,
+  namespace,
+  ...
+}:
+with lib;
+with lib.${namespace};
+{
+  options.flakeRoot = mkOption {
+    type = types.str;
+    description = "Path to the flake root directory.";
+  };
+
+  config.flakeRoot = "${config.users.users.philipp.home}/Documents/nix-config";
+}

modules/nixos/virtualisation/podman/invidious/default.nix

@@ -72,8 +72,8 @@ in
         hostname = "invidious-db";
         volumes = [
           "postgresdata:/var/lib/postgresql/data"
-          "/home/philipp/nix-config/modules/nixos/virtualisation/podman/invidious/config/sql:/config/sql"
-          "/home/philipp/nix-config/modules/nixos/virtualisation/podman/invidious/init-invidious-db.sh:/docker-entrypoint-initdb.d/init-invidious-db.sh"
+          "${config.flakeRoot}/modules/nixos/virtualisation/podman/invidious/config/sql:/config/sql"
+          "${config.flakeRoot}/modules/nixos/virtualisation/podman/invidious/init-invidious-db.sh:/docker-entrypoint-initdb.d/init-invidious-db.sh"
         ];
         environmentFiles = [ /run/secrets/invidious-db ];
       };