treewide: format with nixfmt

nixos/common/audio.nix

@@ -1,5 +1,4 @@
-{ pkgs, ... }:
-{
+{ pkgs, ... }: {
   security.rtkit.enable = true;
   services.pipewire = {
     enable = true;
@@ -8,7 +7,5 @@
     pulse.enable = true;
     wireplumber.enable = true;
   };
-  environment.systemPackages = with pkgs; [
-    pavucontrol
-  ];
+  environment.systemPackages = with pkgs; [ pavucontrol ];
 }

nixos/common/bluetooth.nix

@@ -1,6 +1 @@
-{ ... }:
-{
-  hardware.bluetooth = {
-    enable = true;
-  };
-}
+{ ... }: { hardware.bluetooth = { enable = true; }; }

nixos/common/default.nix

@@ -1,11 +1,5 @@
-{ lib, pkgs, ... }:
-{
-  imports = [
-    ./audio.nix
-    ./tailscale.nix
-    ./bluetooth.nix
-    ./printing.nix
-  ];
+{ lib, pkgs, ... }: {
+  imports = [ ./audio.nix ./tailscale.nix ./bluetooth.nix ./printing.nix ];
 
   # use nix version 2.22
   nix = {
@@ -13,11 +7,7 @@
 
     settings = {
       auto-optimise-store = lib.mkDefault true;
-      experimental-features = [
-        "nix-command"
-        "flakes"
-        "ca-derivations"
-      ];
+      experimental-features = [ "nix-command" "flakes" "ca-derivations" ];
     };
   };
 
@@ -33,9 +23,7 @@
 
   # use a tmpfs
   boot.tmp.useTmpfs = true;
-  systemd.services.nix-daemon = {
-    environment.TMPDIR = "/var/tmp";
-  };
+  systemd.services.nix-daemon = { environment.TMPDIR = "/var/tmp"; };
 
   # use fstrim for ssds
   services.fstrim.enable = true;

nixos/common/printing.nix

@@ -1,5 +1,4 @@
-{ ... }:
-{
+{ ... }: {
   services.printing.enable = true;
 
   services.avahi = {

nixos/common/tailscale.nix

@@ -1,6 +1 @@
-{ ... }:
-{
-  services.tailscale = {
-    enable = true;
-  };
-}
+{ ... }: { services.tailscale = { enable = true; }; }