From 5ee828f5b80eb4cabd17b45b35e57ad6b51124af Mon Sep 17 00:00:00 2001
From: Ulysses Zhan <UlyssesZhan@gmail.com>
Date: Tue, 17 Mar 2026 16:07:39 -0700
Subject: [PATCH] luaPackages.utf8: init at
 1.3-0-f36cc914ae9015cd3045987abadd83bbcfae98f0

---
 maintainers/scripts/luarocks-packages.csv     |  1 +
 .../lua-modules/generated-packages.nix        | 32 +++++++++++++++++++
 pkgs/development/lua-modules/overrides.nix    | 10 ++++++
 3 files changed, 43 insertions(+)

diff --git a/maintainers/scripts/luarocks-packages.csv b/maintainers/scripts/luarocks-packages.csv
index c16de7cbbfe7..a144c5abc346 100644
--- a/maintainers/scripts/luarocks-packages.csv
+++ b/maintainers/scripts/luarocks-packages.csv
@@ -159,6 +159,7 @@ toml-edit,,,,,5.1,mrcjkb
 tree-sitter-http,,,,0.0.33-1,,
 tree-sitter-norg,,,,,5.1,mrcjkb
 tree-sitter-orgmode,,,,,5.1,
+utf8,,,,,,
 vstruct,,,,,,
 vusted,,,,,,
 xml2lua,,,,,,teto
diff --git a/pkgs/development/lua-modules/generated-packages.nix b/pkgs/development/lua-modules/generated-packages.nix
index a4d6a9388760..ed254d70dc8b 100644
--- a/pkgs/development/lua-modules/generated-packages.nix
+++ b/pkgs/development/lua-modules/generated-packages.nix
@@ -5242,6 +5242,38 @@ final: prev: {
     }
   ) { };
 
+  utf8 = callPackage (
+    {
+      buildLuarocksPackage,
+      fetchFromGitHub,
+      fetchurl,
+      luaOlder,
+    }:
+    buildLuarocksPackage {
+      pname = "utf8";
+      version = "1.3-0";
+      knownRockspec =
+        (fetchurl {
+          url = "mirror://luarocks/utf8-1.3-0.rockspec";
+          sha256 = "1szsrwb15yyvrqwyqrr7g5ivihc0kl4pc7qq439q235f3x8jv2jp";
+        }).outPath;
+      src = fetchFromGitHub {
+        owner = "dannote";
+        repo = "luautf8";
+        rev = "f36cc914ae9015cd3045987abadd83bbcfae98f0";
+        hash = "sha256-xLWqglAzqcxY+R8GOC+D3uzL2+9ZriEx8Kj41LkI5vU=";
+      };
+
+      disabled = luaOlder "5.1";
+
+      meta = {
+        homepage = "http://github.com/starwing/luautf8";
+        description = "A UTF-8 support module for Lua";
+        license.fullName = "MIT";
+      };
+    }
+  ) { };
+
   vstruct = callPackage (
     {
       buildLuarocksPackage,
diff --git a/pkgs/development/lua-modules/overrides.nix b/pkgs/development/lua-modules/overrides.nix
index 59765aed4c1d..dd324466c410 100644
--- a/pkgs/development/lua-modules/overrides.nix
+++ b/pkgs/development/lua-modules/overrides.nix
@@ -1129,6 +1129,16 @@ in
     meta.broken = lua.luaversion != "5.1";
   });
 
+  utf8 = prev.utf8.overrideAttrs {
+    postPatch = ''
+      sed -i '/#include <assert.h>/a\
+      #ifndef lua_assert\
+        #define lua_assert(x) assert(x)\
+      #endif
+      ' lutf8lib.c
+    '';
+  };
+
   vstruct = prev.vstruct.overrideAttrs (_: {
     meta.broken = luaOlder "5.1" || luaAtLeast "5.4";
   });