From dec9f2f575f4aad3c420eaf2493c1040c143879a Mon Sep 17 00:00:00 2001
From: Freya Murphy <freya@freyacat.org>
Date: Fri, 29 May 2026 10:15:28 -0400
Subject: fix nvidia reflex

---
 system/default.nix |  1 +
 system/nvidia.nix  | 42 ++++++++++++++++++++++++------------------
 2 files changed, 25 insertions(+), 18 deletions(-)

diff --git a/system/default.nix b/system/default.nix
index 2f5bd59..0d4f0e2 100644
--- a/system/default.nix
+++ b/system/default.nix
@@ -163,6 +163,7 @@ in {
     info.enable = false;
     man = {
       enable = true;
+      man-db.enable = true;
       cache.enable = false;
     };
     nixos.enable = false;
diff --git a/system/nvidia.nix b/system/nvidia.nix
index 909575f..f3dd1de 100644
--- a/system/nvidia.nix
+++ b/system/nvidia.nix
@@ -4,7 +4,7 @@
   pkgs,
   ...
 }: let
-  inherit (lib) mkIf optionals;
+  inherit (lib) mkMerge mkIf optionals;
   cfg = config.nvidia;
 in {
   config = mkIf cfg.enable {
@@ -43,23 +43,29 @@ in {
       low-latency-layer
     ];
 
-    # cuda
-    environment = mkIf cfg.cuda.enable {
-      systemPackages = with pkgs; [
-        cudaPackages.cuda_cudart
-        cudaPackages.cudnn
-        cudatoolkit
-      ];
-      variables = {
-        NVIDIA_VISIBLE_DEVICES = "all";
-        NVIDIA_DRIVER_CAPABILITIES = "compute,utility";
-        CUDA_VISIBLE_DEVICES = 0;
-        CUDA_PATH = "${pkgs.cudatoolkit}";
-        # NVIDIA Reflex
-        LOW_LATENCY_LAYER = "1";
-        LOW_LATENCY_LAYER_REFLEX = "1";
-      };
-    };
+    environment = mkMerge [
+      {
+        variables = {
+          # NVIDIA Reflex
+          LOW_LATENCY_LAYER = "1";
+          LOW_LATENCY_LAYER_REFLEX = "1";
+        };
+      }
+      # cuda
+      (mkIf cfg.cuda.enable {
+        systemPackages = with pkgs; [
+          cudaPackages.cuda_cudart
+          cudaPackages.cudnn
+          cudatoolkit
+        ];
+        variables = {
+          NVIDIA_VISIBLE_DEVICES = "all";
+          NVIDIA_DRIVER_CAPABILITIES = "compute,utility";
+          CUDA_VISIBLE_DEVICES = 0;
+          CUDA_PATH = "${pkgs.cudatoolkit}";
+        };
+      })
+    ];
     nix.settings = mkIf cfg.cuda.enable {
       substituters = ["https://cache.nixos-cuda.org"];
       trusted-public-keys = ["cache.nixos-cuda.org:74DUi4Ye579gUqzH4ziL9IyiJBlDpMRn9MBN8oNan9M="];
-- 
cgit v1.3.1-freya