From a09afc8dacfcf4fe3a551f557268b8488cc7c675 Mon Sep 17 00:00:00 2001
From: Yuriy Taraday <yuriy.taraday@tweag.io>
Date: Mon, 12 Jun 2023 17:29:13 +0200
Subject: [PATCH] topiary: Add passthru.updateScript

Allows to use standard

```
  nix-shell maintainers/scripts/update.nix --argstr package topiary
```

to update topiary
---
 pkgs/development/tools/misc/topiary/default.nix | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/pkgs/development/tools/misc/topiary/default.nix b/pkgs/development/tools/misc/topiary/default.nix
index 2a95486f79e8..1ffcaaac5df0 100644
--- a/pkgs/development/tools/misc/topiary/default.nix
+++ b/pkgs/development/tools/misc/topiary/default.nix
@@ -1,6 +1,7 @@
 { lib
 , rustPlatform
 , fetchFromGitHub
+, nix-update-script
 }:
 
 rustPlatform.buildRustPackage rec {
@@ -42,6 +43,8 @@ rustPlatform.buildRustPackage rec {
     install -Dm444 languages/* -t $out/share/languages
   '';
 
+  passthru.updateScript = nix-update-script { };
+
   meta = with lib; {
     description = "A uniform formatter for simple languages, as part of the Tree-sitter ecosystem";
     homepage = "https://github.com/tweag/topiary";