treewide: Start using nixpkgs-fmt formatting

pkgs/afvalcalendar/default.nix

@@ -1,7 +1,6 @@
-{
-  pkgs,
-  rustPlatform,
-  ...
+{ pkgs
+, rustPlatform
+, ...
 }:
 rustPlatform.buildRustPackage {
   pname = "afvalcalendar";

pkgs/default.nix

@@ -1,22 +1,23 @@
-{
-  pkgs,
-  lib,
-}: let
+{ pkgs
+, lib
+,
+}:
+let
   inherit (builtins) fromJSON mapAttrs readFile;
   inherit (pkgs) callPackage;
 in
-  {
-    starbound = callPackage ./starbound {};
-    prometheus-fail2ban-exporter = callPackage ./prometheus/fail2ban-exporter.nix {
-      sources = pkgs.callPackage ./_sources_pkgs/generated.nix {};
-    };
-    afvalcalendar = callPackage ./afvalcalendar {};
-  }
+{
+  starbound = callPackage ./starbound { };
+  prometheus-fail2ban-exporter = callPackage ./prometheus/fail2ban-exporter.nix {
+    sources = pkgs.callPackage ./_sources_pkgs/generated.nix { };
+  };
+  afvalcalendar = callPackage ./afvalcalendar { };
+}
   // (
-    # Add nextcloud apps
-    let
-      mkNextcloudApp = pkgs.callPackage ./mkNextcloudApp.nix {};
-      sources = fromJSON (readFile ./_sources_nextcloud/generated.json);
-    in
-      mapAttrs (_: source: mkNextcloudApp source) sources
-  )
+  # Add nextcloud apps
+  let
+    mkNextcloudApp = pkgs.callPackage ./mkNextcloudApp.nix { };
+    sources = fromJSON (readFile ./_sources_nextcloud/generated.json);
+  in
+  mapAttrs (_: source: mkNextcloudApp source) sources
+)

pkgs/mkNextcloudApp.nix

@@ -1,6 +1,6 @@
-{
-  fetchNextcloudApp,
-  lib,
+{ fetchNextcloudApp
+, lib
+,
 }: source:
 fetchNextcloudApp {
   url = source.src.url;

pkgs/prometheus/fail2ban-exporter.nix

@@ -1,6 +1,6 @@
-{
-  buildGoModule,
-  sources,
+{ buildGoModule
+, sources
+,
 }:
 buildGoModule {
   inherit (sources.prometheus-fail2ban-exporter) pname src version;

pkgs/starbound/default.nix

@@ -1,34 +1,35 @@
-{
-  stdenv,
-  lib,
-  makeWrapper,
-  patchelf,
-  steamPackages,
-  replace-secret,
-}: let
+{ 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];
+  wrapperPath = lib.makeBinPath [ patchelf steamcmd replace-secret ];
 in
-  stdenv.mkDerivation {
-    name = "starbound-update-script";
-    nativeBuildInputs = [makeWrapper];
-    dontUnpack = true;
-    patchPhase = ''
-      interpreter="$(cat $NIX_CC/nix-support/dynamic-linker)"
-      substitute ${./launch-starbound.sh} launch-starbound --subst-var interpreter
-    '';
-    installPhase = ''
-      mkdir -p $out/bin
-      cp launch-starbound $out/bin/launch-starbound
-      chmod +x $out/bin/launch-starbound
-    '';
-    postFixup = ''
-      wrapProgram $out/bin/launch-starbound \
-          --prefix PATH : "${wrapperPath}"
-    '';
-  }
+stdenv.mkDerivation {
+  name = "starbound-update-script";
+  nativeBuildInputs = [ makeWrapper ];
+  dontUnpack = true;
+  patchPhase = ''
+    interpreter="$(cat $NIX_CC/nix-support/dynamic-linker)"
+    substitute ${./launch-starbound.sh} launch-starbound --subst-var interpreter
+  '';
+  installPhase = ''
+    mkdir -p $out/bin
+    cp launch-starbound $out/bin/launch-starbound
+    chmod +x $out/bin/launch-starbound
+  '';
+  postFixup = ''
+    wrapProgram $out/bin/launch-starbound \
+        --prefix PATH : "${wrapperPath}"
+  '';
+}