Add i3lock instead of lightdm

hosts/desktop.nix

@@ -16,7 +16,10 @@
       xkbOptions = "caps:escape";
       displayManager = {
       	lightdm.enable = true;
-        #sddm.enable = true;
+        autoLogin = {
+          enable = true;
+          user = "elnu";
+        };
         defaultSession = "none+i3";
       };
       windowManager.i3 = {

i3.nix

@@ -5,6 +5,7 @@ let
 in {
   # Dependencies
   home.packages = with pkgs; [
+    i3lock # lockscreen
     playerctl # pactl comes with PulseAudio
     scrot # Screnshot keybindings
     xclip # Copying screenshots to clipboard
@@ -22,7 +23,7 @@ in {
       };
       startup = [
         {
-          command = "systemctl --user restart polybar";
+          command = "(systemctl --user restart polybar &) && i3lock -i `readlink -f ~/.background-image`";
           always = true;
           notification = false;
         }