From 04c0f1f9f23cf64549d29035339f249ca10bbe8e Mon Sep 17 00:00:00 2001
From: Thierry Delafontaine <delafthi@pm.me>
Date: Sat, 16 May 2026 15:04:42 +0200
Subject: [PATCH 1/2] acgtk: add nix-update script

---
 pkgs/by-name/ac/acgtk/package.nix | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

diff --git a/pkgs/by-name/ac/acgtk/package.nix b/pkgs/by-name/ac/acgtk/package.nix
index f2b10fb687cb..b5193725704c 100644
--- a/pkgs/by-name/ac/acgtk/package.nix
+++ b/pkgs/by-name/ac/acgtk/package.nix
@@ -2,9 +2,9 @@
   lib,
   stdenv,
   fetchFromGitLab,
-  fetchpatch,
   ocamlPackages,
   dune,
+  nix-update-script,
 }:
 
 stdenv.mkDerivation {
@@ -54,6 +54,13 @@ stdenv.mkDerivation {
     dune install -p acgtk --prefix $out --libdir $OCAMLFIND_DESTDIR
   '';
 
+  passthru.updateScript = nix-update-script {
+    extraArgs = [
+      "--version-regex"
+      "^release-(\\d+\\.\\d+\\.\\d+)$"
+    ];
+  };
+
   meta = {
     homepage = "https://acg.loria.fr/";
     description = "Toolkit for developing ACG signatures and lexicon";

From a3c82f5afd0f51a817d3c6f3a55f9103a1e1c90d Mon Sep 17 00:00:00 2001
From: Thierry Delafontaine <delafthi@pm.me>
Date: Sat, 16 May 2026 15:25:03 +0200
Subject: [PATCH 2/2] acgtk: fix darwin build

- provide a writable home directory during the build for caching
- provide codesign tools on darwin
---
 pkgs/by-name/ac/acgtk/package.nix | 18 ++++++++++++------
 1 file changed, 12 insertions(+), 6 deletions(-)

diff --git a/pkgs/by-name/ac/acgtk/package.nix b/pkgs/by-name/ac/acgtk/package.nix
index b5193725704c..fd886d2ce58f 100644
--- a/pkgs/by-name/ac/acgtk/package.nix
+++ b/pkgs/by-name/ac/acgtk/package.nix
@@ -3,8 +3,10 @@
   stdenv,
   fetchFromGitLab,
   ocamlPackages,
+  darwin,
   dune,
   nix-update-script,
+  writableTmpDirAsHomeHook,
 }:
 
 stdenv.mkDerivation {
@@ -22,12 +24,16 @@ stdenv.mkDerivation {
 
   strictDeps = true;
 
-  nativeBuildInputs = with ocamlPackages; [
-    dune
-    findlib
-    menhir
-    ocaml
-  ];
+  nativeBuildInputs =
+    with ocamlPackages;
+    [
+      dune
+      findlib
+      menhir
+      ocaml
+      writableTmpDirAsHomeHook
+    ]
+    ++ lib.optionals stdenv.hostPlatform.isDarwin [ darwin.sigtool ];
 
   buildInputs = with ocamlPackages; [
     ansiterminal