bbswitch: switch to fetchFromGitHub

pkgs/os-specific/linux/bbswitch/default.nix

···
-{ lib, stdenv, fetchurl, fetchpatch, kernel, runtimeShell }:
+{ lib, stdenv, fetchFromGitHub, fetchpatch, kernel, runtimeShell }:
 
 let
   baseName = "bbswitch";
···
 stdenv.mkDerivation {
   inherit name;
 
-  src = fetchurl {
-    url = "https://github.com/Bumblebee-Project/${baseName}/archive/v${version}.tar.gz";
-    sha256 = "0xql1nv8dafnrcg54f3jsi3ny3cd2ca9iv73pxpgxd2gfczvvjkn";
+  src = fetchFromGitHub {
+    owner = "Bumblebee-Project";
+    repo = "bbswitch";
+    rev = "v${version}";
+    hash = "sha256-FHC8myKnouNDERVds2QCJj1ZstjHrOzFpb+FDiSBjL4=";
   };
 
   patches = [