jellyfin-web: add assert to only build if version same as jellyfin

pkgs/servers/jellyfin/web.nix

@@ -1,25 +1,27 @@
-{
-  lib,
-  stdenv,
-  overrideSDK,
-  fetchFromGitHub,
-  buildNpmPackage,
-  nix-update-script,
-  pkg-config,
-  xcbuild,
-  pango,
-  giflib,
-  darwin,
+{ lib
+, stdenv
+, overrideSDK
+, fetchFromGitHub
+, buildNpmPackage
+, jellyfin
+, nix-update-script
+, pkg-config
+, xcbuild
+, pango
+, giflib
+, darwin
+,
 }:
 let
   # node-canvas builds code that requires aligned_alloc,
   # which on Darwin requires at least the 10.15 SDK
   stdenv' =
     if stdenv.isDarwin then
-      overrideSDK stdenv {
-        darwinMinVersion = "10.15";
-        darwinSdkVersion = "11.0";
-      }
+      overrideSDK stdenv
+        {
+          darwinMinVersion = "10.15";
+          darwinSdkVersion = "11.0";
+        }
     else
       stdenv;
   buildNpmPackage' = buildNpmPackage.override { stdenv = stdenv'; };
@@ -28,7 +30,8 @@ buildNpmPackage' rec {
   pname = "jellyfin-web";
   version = "10.9.2";
 
-  src = fetchFromGitHub {
+  # nixpkgs-update: no auto update
+  src = assert version == jellyfin.version; fetchFromGitHub {
     owner = "jellyfin";
     repo = "jellyfin-web";
     rev = "v${version}";