xserver.displayManager: change default

    Switch from slim to lightdm as the display-manager.
    If plasma5 is used as desktop-manager use sdddm.
    If gnome3 is used as desktop-manager use gdm.

    Based on #12516

1 files changed, 5 insertions, 3 deletions

diff --git a/nixos/modules/services/x11/display-managers/auto.nix b/nixos/modules/services/x11/display-managers/auto.nix
index d2aae64bf22..ec419eea067 100644
--- a/nixos/modules/services/x11/display-managers/auto.nix
+++ b/nixos/modules/services/x11/display-managers/auto.nix
@@ -41,10 +41,12 @@ in
 
   config = mkIf cfg.enable {
 
-    services.xserver.displayManager.slim = {
+    services.xserver.displayManager.lightdm = {
       enable = true;
-      autoLogin = true;
-      defaultUser = cfg.user;
+      autoLogin = {
+        enable = true;
+        user = cfg.user;
+      };
     };
 
   };