From be9cc8e44b48936aaf450a0e0fc31051c45a667a Mon Sep 17 00:00:00 2001
From: Sean Kovacs <kovacsmillio@gmail.com>
Date: Sun, 14 Dec 2025 02:01:59 -0500
Subject: [PATCH] fix niri overlay

---
 flake.nix                      |  1 +
 home/tiling/niri/niri.nix      |  6 ++++++
 system/all.nix                 | 29 ++++++++++++++++++++++++++++-
 system/hosts/alien/default.nix |  9 ++++++---
 4 files changed, 41 insertions(+), 4 deletions(-)

diff --git a/flake.nix b/flake.nix
index 3f2a422..b3811f9 100644
--- a/flake.nix
+++ b/flake.nix
@@ -80,6 +80,7 @@
             {
               nixpkgs.overlays = [
                 catppuccin-palette.overlays.default
+                niri.overlays.niri
                 noctalia.overlays.default
                 nur.overlays.default
                 (import ./packages/overlay.nix)
diff --git a/home/tiling/niri/niri.nix b/home/tiling/niri/niri.nix
index 75418b8..4cd820e 100644
--- a/home/tiling/niri/niri.nix
+++ b/home/tiling/niri/niri.nix
@@ -1,6 +1,9 @@
 { config, pkgs, ... }:
 
 {
+  programs.niri.package = pkgs.niri-stable.overrideAttrs (old: {
+    doCheck = false;
+  });
   # https://github.com/sodiboo/niri-flake/blob/main/docs.md
   programs.niri.settings = {
     screenshot-path = "~/Pictures/Screenshots/Screenshot from %Y-%m-%d %H-%M-%S.png";
@@ -54,6 +57,9 @@
       "HDMI-A-1" = {
         scale = 2;
       };
+      "DP-1" = {
+        scale = 2;
+      };
     };
     cursor = {
       hide-when-typing = true;
diff --git a/system/all.nix b/system/all.nix
index 7137232..b14f6cd 100755
--- a/system/all.nix
+++ b/system/all.nix
@@ -21,6 +21,28 @@
     "sckova"
   ];
 
+  nix.settings = {
+    # Increase file descriptor limit for builds
+    sandbox = "relaxed";
+    extra-sandbox-paths = [ ];
+    build-users-group = "nixbld";
+  };
+
+  security.pam.loginLimits = [
+    {
+      domain = "*";
+      type = "soft";
+      item = "nofile";
+      value = "65536";
+    }
+    {
+      domain = "*";
+      type = "hard";
+      item = "nofile";
+      value = "65536";
+    }
+  ];
+
   nix.gc = {
     automatic = true;
     dates = "weekly";
@@ -114,7 +136,12 @@
     enable = true;
   };
 
-  programs.niri.enable = true;
+  programs.niri = {
+    enable = true;
+    package = pkgs.niri-stable.overrideAttrs (old: {
+      doCheck = false;
+    });
+  };
   services.gnome.gnome-keyring.enable = true;
   security.pam.services.niri.enableGnomeKeyring = true;
   programs.dconf.enable = true;
diff --git a/system/hosts/alien/default.nix b/system/hosts/alien/default.nix
index 6e0d222..74bcbd8 100644
--- a/system/hosts/alien/default.nix
+++ b/system/hosts/alien/default.nix
@@ -40,9 +40,12 @@
     "nvidia"
   ];
 
-  services.displayManager.autoLogin = {
-    enable = true;
-    user = "sckova";
+  services.displayManager = {
+    autoLogin = {
+      enable = true;
+      user = "sckova";
+    };
+    defaultSession = "niri";
   };
   security.sudo.wheelNeedsPassword = true;