nixos/accountsservice: reduce amounts of rebuild units when only chan…

…ging environment.systemPackages

nixos/modules/services/desktops/accountsservice.nix

@@ -1,15 +1,11 @@
-# AccountsService daemon.
 { config, lib, pkgs, ... }:
 {
   meta = {
     maintainers = lib.teams.freedesktop.members;
   };
 
-  ###### interface
   options = {
-
     services.accounts-daemon = {
-
       enable = lib.mkOption {
         type = lib.types.bool;
         default = false;
@@ -18,14 +14,10 @@
           the list of user accounts and information attached to those accounts.
         '';
       };
-
     };
-
   };
 
-  ###### implementation
   config = lib.mkIf config.services.accounts-daemon.enable {
-
     environment.systemPackages = [ pkgs.accountsservice ];
 
     # Accounts daemon looks for dbus interfaces in $XDG_DATA_DIRS/accountsservice
@@ -36,15 +28,12 @@
     systemd.packages = [ pkgs.accountsservice ];
 
     systemd.services.accounts-daemon = lib.recursiveUpdate {
-
       wantedBy = [ "graphical.target" ];
 
       # Accounts daemon looks for dbus interfaces in $XDG_DATA_DIRS/accountsservice
-      environment.XDG_DATA_DIRS = "${config.system.path}/share";
-
+      environment.XDG_DATA_DIRS = "/run/current-system/sw/share";
     } (lib.optionalAttrs (!config.users.mutableUsers) {
       environment.NIXOS_USERS_PURE = "true";
     });
   };
-
 }