style(nixfmt): formatting using nixfmt cli tools

hosts/asahi/apple-silicon-support/modules/mesa/default.nix

@@ -1,27 +1,41 @@
-{ options, config, pkgs, lib, ... }:
 {
-  config = let
-    isMode = mode: (config.hardware.asahi.useExperimentalGPUDriver
-        && config.hardware.asahi.experimentalGPUInstallMode == mode);
-  in lib.mkIf config.hardware.asahi.enable (lib.mkMerge [
-    {
-      # required for proper DRM setup even without GPU driver
-      services.xserver.config = ''
-        Section "OutputClass"
-            Identifier "appledrm"
-            MatchDriver "apple"
-            Driver "modesetting"
-            Option "PrimaryGPU" "true"
-        EndSection
-      '';
-    }
-    (lib.mkIf config.hardware.asahi.useExperimentalGPUDriver {
-      # install the Asahi Mesa version
-      hardware.graphics.package = config.hardware.asahi.pkgs.mesa-asahi-edge.drivers;
-      # required for in-kernel GPU driver
-      hardware.asahi.withRust = true;
-    })
-  ]);
+  options,
+  config,
+  pkgs,
+  lib,
+  ...
+}:
+{
+  config =
+    let
+      isMode =
+        mode:
+        (
+          config.hardware.asahi.useExperimentalGPUDriver
+          && config.hardware.asahi.experimentalGPUInstallMode == mode
+        );
+    in
+    lib.mkIf config.hardware.asahi.enable (
+      lib.mkMerge [
+        {
+          # required for proper DRM setup even without GPU driver
+          services.xserver.config = ''
+            Section "OutputClass"
+                Identifier "appledrm"
+                MatchDriver "apple"
+                Driver "modesetting"
+                Option "PrimaryGPU" "true"
+            EndSection
+          '';
+        }
+        (lib.mkIf config.hardware.asahi.useExperimentalGPUDriver {
+          # install the Asahi Mesa version
+          hardware.graphics.package = config.hardware.asahi.pkgs.mesa-asahi-edge.drivers;
+          # required for in-kernel GPU driver
+          hardware.asahi.withRust = true;
+        })
+      ]
+    );
 
   options.hardware.asahi.useExperimentalGPUDriver = lib.mkOption {
     type = lib.types.bool;
@@ -35,7 +49,11 @@
 
   # hopefully no longer used, should be deprecated eventually
   options.hardware.asahi.experimentalGPUInstallMode = lib.mkOption {
-    type = lib.types.enum [ "driver" "replace" "overlay" ];
+    type = lib.types.enum [
+      "driver"
+      "replace"
+      "overlay"
+    ];
     default = "replace";
     description = ''
       Mode to use to install the experimental GPU driver into the system.