vrcadvert: use nix-update-script

pkgs/by-name/vr/vrcadvert/package.nix

@@ -4,6 +4,7 @@
   fetchFromGitHub,
   lib,
   versionCheckHook,
+  nix-update-script,
 }:
 
 buildDotnetModule rec {
@@ -38,7 +39,7 @@ buildDotnetModule rec {
   ];
   versionCheckProgram = "${placeholder "out"}/bin/VrcAdvert";
 
-  passthru.updateScript = ./update.sh;
+  passthru.updateScript = nix-update-script { };
 
   meta = {
     description = "Advertise your OSC app through OSCQuery";

pkgs/by-name/vr/vrcadvert/update.sh

@@ -1,8 +0,0 @@
-#!/usr/bin/env nix-shell
-#!nix-shell --pure -i bash -p bash nix nix-update git cacert
-set -eo pipefail
-
-prev_version=$(nix eval --raw -f. vrcadvert.version)
-nix-update vrcadvert
-[[ $(nix eval --raw -f. vrcadvert.version) == "$prev_version" ]] ||
-  $(nix-build . -A vrcadvert.fetch-deps --no-out-link)