Major refactor to flake, abstract non-trivial packages into their own

files (such as firefox/spotify-qt+librespot), create utils for reusable
function library

nix/system/linux_x86.nix

@@ -1,7 +1,8 @@
-{ pkgs, config, ... }:
+{ pkgs, ... }:
 {
   imports = [
     ./hardware-configuration.nix
+    ./common/nvidia.nix
   ];
 
   boot = {
@@ -9,30 +10,6 @@
       systemd-boot.enable = true;
       efi.canTouchEfiVariables = true;
     };
-    kernelModules = [
-      "nvidia"
-      "nvidia_modeset"
-      "nvidia_uvm"
-      "nvidia_drm"
-    ];
-    blacklistedKernelModules = [ "nouveau" ];
-    kernelParams = [
-      "nvidia-drm.modeset=1"
-      "nvidia-drm.fbdev=1"
-    ];
-  };
-
-  hardware = {
-    nvidia = {
-      modesetting.enable = true;
-      package = config.boot.kernelPackages.nvidiaPackages.stable;
-      open = true;
-      powerManagement = {
-        enable = true;
-        finegrained = false;
-      };
-      nvidiaPersistenced = true;
-    };
   };
 
   networking.hostName = "walnut-nixos";
@@ -47,15 +24,4 @@
       ];
     };
   };
-
-  environment.variables = {
-    GBM_BACKEND = "nvidia-drm";
-    __GLX_VENDOR_LIBRARY_NAME = "nvidia";
-    WLR_NO_HARDWARE_CURSORS = "1";
-    WLR_RENDERER = "vulkan";
-  };
-
-  services = {
-    xserver.videoDrivers = [ "nvidia" ];
-  };
 }