feat: improve nix-update workflow and update packages

- Refactor nix-update.yml: push directly to master instead of PRs
- Add skip list for packages without upstream releases
- Add opencode subpackage handling for node_modules
- Add nix-update-script to beads, code2prompt, mem0
- Update mem0: 1.0.0 -> 1.0.2
- Update opencode: 1.1.18 -> 1.1.25
- Fix n8n tag format
- Add n8n update.sh helper script

pkgs/beads/default.nix

@@ -5,6 +5,7 @@
   fetchFromGitHub,
   gitMinimal,
   installShellFiles,
+  nix-update-script,
   versionCheckHook,
   writableTmpDirAsHomeHook,
 }:
@@ -49,9 +50,10 @@ buildGoModule (finalAttrs: {
   versionCheckProgramArg = "version";
   doInstallCheck = true;
 
-  # Tests require git worktree operations that fail in Nix sandbox
   doCheck = false;
 
+  passthru.updateScript = nix-update-script {};
+
   meta = {
     description = "Lightweight memory system for AI coding agents with graph-based issue tracking";
     homepage = "https://github.com/steveyegge/beads";

pkgs/code2prompt/default.nix

@@ -1,6 +1,7 @@
 {
   lib,
   fetchFromGitHub,
+  nix-update-script,
   rustPlatform,
   pkg-config,
   perl,
@@ -27,6 +28,8 @@ rustPlatform.buildRustPackage rec {
 
   buildInputs = [openssl];
 
+  passthru.updateScript = nix-update-script {};
+
   meta = with lib; {
     description = "A CLI tool that converts your codebase into a single LLM prompt with a source tree, prompt templating, and token counting";
     homepage = "https://github.com/mufeedvh/code2prompt";

pkgs/mem0/default.nix

@@ -1,18 +1,19 @@
 {
   lib,
+  nix-update-script,
   python3,
   fetchFromGitHub,
 }:
 python3.pkgs.buildPythonPackage rec {
   pname = "mem0ai";
-  version = "1.0.0";
+  version = "1.0.2";
   pyproject = true;
 
   src = fetchFromGitHub {
     owner = "mem0ai";
     repo = "mem0";
     rev = "v${version}";
-    hash = "sha256-DluzIhwL/GanqtRSMW7ax+OVc2kZjbwQ0lpPCQFnD58=";
+    hash = "sha256-wvIPmqYlpto+ggifdSOjveEmSneKeZcoltItusYSu4Q=";
   };
 
   # Relax Python dependency version constraints
@@ -80,6 +81,8 @@ python3.pkgs.buildPythonPackage rec {
     install -Dm755 ${./server.py} $out/bin/mem0-server
   '';
 
+  passthru.updateScript = nix-update-script {};
+
   meta = with lib; {
     description = "Long-term memory layer for AI agents with REST API support";
     longDescription = ''

pkgs/n8n/default.nix

@@ -23,7 +23,7 @@ stdenv.mkDerivation (finalAttrs: {
   src = fetchFromGitHub {
     owner = "n8n-io";
     repo = "n8n";
-    tag = "n8n@${finalAttrs.version}";
+    tag = finalAttrs.version;
     hash = "sha256-EQP9ZI8kt30SUYE1+/UUpxQXpavzKqDu8qE24zsNifg=";
   };
 

pkgs/n8n/update.sh

@@ -0,0 +1,6 @@
+#!/usr/bin/env nix-shell
+#!nix-shell --pure -i bash -p bash curl jq nix-update cacert git
+set -euo pipefail
+
+new_version="$(curl -s "https://api.github.com/repos/n8n-io/n8n/releases/latest" | jq --raw-output '.tag_name | ltrimstr("n8n@")')"
+nix-update n8n --version "$new_version"

pkgs/opencode/default.nix

@@ -13,12 +13,12 @@
   writableTmpDirAsHomeHook,
 }: let
   pname = "opencode";
-  version = "1.1.18";
+  version = "1.1.25";
   src = fetchFromGitHub {
     owner = "anomalyco";
     repo = "opencode";
     tag = "v${version}";
-    hash = "sha256-3A4s0FpjZuGB0HGMQVBXfWq+0yHmeIvnEQTSX3amV4I=";
+    hash = "sha256-aF+4LL0x9wU2Ktrv/nJE2VXgUeXFrwJ16pa1sGNhpi4=";
   };
 
   node_modules = stdenvNoCC.mkDerivation {
@@ -66,7 +66,7 @@
     # NOTE: Required else we get errors that our fixed-output derivation references store paths
     dontFixup = true;
 
-    outputHash = "sha256-zSco4ORQQOqV3vMPuP+M/q/hBa+MJGnTKIlxgngMA3g=";
+    outputHash = "sha256-qheQCN71VM3M35+j9XhaCdxQNo5ze8mV8sDFaX0WVWM=";
     outputHashAlgo = "sha256";
     outputHashMode = "recursive";
   };