From 753fbad8c5b048909b5a9d60b94a1ee41bfcc028 Mon Sep 17 00:00:00 2001
From: Christoph Cullmann <christoph@cullmann.io>
Date: Sat, 10 May 2025 10:36:20 +0200
Subject: [PATCH] enable the Ly login manager

---
 share/common.nix | 21 ++++++++++++++++++---
 1 file changed, 18 insertions(+), 3 deletions(-)

diff --git a/share/common.nix b/share/common.nix
index 2cf4567..1a9bb8e 100644
--- a/share/common.nix
+++ b/share/common.nix
@@ -181,6 +181,10 @@ in
       # ollama & Co. storage
       { directory = "/var/lib/private"; mode = "0700"; }
     ];
+    files = [
+      # Ly last used user and Co.
+      "/etc/ly/save.ini"
+    ];
   };
 
   # enable fast dbus
@@ -241,11 +245,22 @@ in
   # use X11/wayland layout for console, too
   console.useXkbConfig = true;
 
-  # enable SDDM & the KDE Plasma Desktop Environment with Wayland
+  # enable the KDE Plasma Desktop Environment
   services.desktopManager.plasma6.enable = true;
-  services.displayManager.sddm = {
+
+  # enable the Ly login manager with proper KWallet integration
+  services.displayManager.ly = {
     enable = true;
-    wayland.enable = true;
+    settings = {
+      animation = "matrix";
+      load = true;
+      save = true;
+    };
+  };
+  security.pam.services.ly.kwallet = {
+    enable = true;
+    forceRun = true;
+    package = pkgs.kdePackages.kwallet-pam;
   };
 
   # enable sound with PipeWire