headlamp-server: also update headlamp-frontend and headlamp hashes in updateScript (#544251)

pkgs/by-name/he/headlamp-server/package.nix

@@ -2,6 +2,8 @@
   lib,
   buildGoModule,
   fetchFromGitHub,
+  nix-update,
+  writeShellScript,
 }:
 
 buildGoModule rec {
@@ -38,6 +40,14 @@ buildGoModule rec {
     mv $out/bin/cmd $out/bin/headlamp-server
   '';
 
+  # headlamp-frontend and headlamp inherit src (and version) from here, update their hashes aswell
+  passthru.updateScript = writeShellScript "headlamp-update" ''
+    set -euo pipefail
+    ${lib.getExe nix-update} headlamp-server
+    ${lib.getExe nix-update} --version=skip --no-src headlamp-frontend
+    ${lib.getExe nix-update} --version=skip --no-src headlamp
+  '';
+
   meta = {
     description = "An easy-to-use and extensible Kubernetes web UI";
     homepage = "https://headlamp.dev";