treewide: Use nixfmt for formatting

pkgs/afvalcalendar/default.nix

@@ -1,19 +1,12 @@
-{ pkgs
-, rustPlatform
-, ...
-}:
+{ pkgs, rustPlatform, ... }:
 rustPlatform.buildRustPackage {
   pname = "afvalcalendar";
   version = "0.1.0";
   src = ./.;
 
-  nativeBuildInputs = with pkgs; [
-    pkg-config
-  ];
+  nativeBuildInputs = with pkgs; [ pkg-config ];
 
-  buildInputs = with pkgs; [
-    openssl
-  ];
+  buildInputs = with pkgs; [ openssl ];
 
   cargoHash = "sha256-JXx6aUKdKbUTBCwlBw5i1hZy8ofCfSrhLCwFzqdA8cI=";
 }

pkgs/default.nix

@@ -1,7 +1,4 @@
-{ pkgs
-, lib
-,
-}:
+{ pkgs, lib }:
 let
   inherit (builtins) fromJSON mapAttrs readFile;
   inherit (pkgs) callPackage;
@@ -13,7 +10,7 @@ in
   };
   afvalcalendar = callPackage ./afvalcalendar { };
 }
-  // (
+// (
   # Add nextcloud apps
   let
     mkNextcloudApp = pkgs.callPackage ./mkNextcloudApp.nix { };

pkgs/mkNextcloudApp.nix

@@ -1,7 +1,5 @@
-{ fetchNextcloudApp
-, lib
-,
-}: source:
+{ fetchNextcloudApp, lib }:
+source:
 fetchNextcloudApp {
   url = source.src.url;
   sha256 = source.src.sha256;

pkgs/prometheus/fail2ban-exporter.nix

@@ -1,7 +1,4 @@
-{ buildGoModule
-, sources
-,
-}:
+{ buildGoModule, sources }:
 buildGoModule {
   inherit (sources.prometheus-fail2ban-exporter) pname src version;
   vendorHash = "sha256-5o8p5p0U/c0WAIV5dACnWA3ThzSh2tt5LIFMb59i9GY=";

pkgs/starbound/default.nix

@@ -1,19 +1,21 @@
-{ stdenv
-, lib
-, makeWrapper
-, patchelf
-, steamPackages
-, replace-secret
-,
+{
+  stdenv,
+  lib,
+  makeWrapper,
+  patchelf,
+  steamPackages,
+  replace-secret,
 }:
 let
   # Use the directory in which starbound is installed so steamcmd
   # doesn't have to be reinstalled constantly (we're using DynamicUser
   # with StateDirectory to persist this).
-  steamcmd = steamPackages.steamcmd.override {
-    steamRoot = "/var/lib/starbound/.steamcmd";
-  };
-  wrapperPath = lib.makeBinPath [ patchelf steamcmd replace-secret ];
+  steamcmd = steamPackages.steamcmd.override { steamRoot = "/var/lib/starbound/.steamcmd"; };
+  wrapperPath = lib.makeBinPath [
+    patchelf
+    steamcmd
+    replace-secret
+  ];
 in
 stdenv.mkDerivation {
   name = "starbound-update-script";