From 99f46446c1b5074a8b406334be0a9dd152b3dd6a Mon Sep 17 00:00:00 2001
From: jopejoe1 <jopejoe1@missing.ninja>
Date: Mon, 4 May 2026 11:36:27 +0200
Subject: [PATCH] chessdb: add license

source: https://sourceforge.net/projects/chessdb/
---
 pkgs/by-name/ch/chessdb/package.nix | 1 +
 1 file changed, 1 insertion(+)

diff --git a/pkgs/by-name/ch/chessdb/package.nix b/pkgs/by-name/ch/chessdb/package.nix
index f17d43c4204d..d9cb6c9dfee7 100644
--- a/pkgs/by-name/ch/chessdb/package.nix
+++ b/pkgs/by-name/ch/chessdb/package.nix
@@ -36,5 +36,6 @@ stdenv.mkDerivation (finalAttrs: {
     homepage = "https://chessdb.sourceforge.net/";
     description = "Free chess database";
     platforms = lib.platforms.linux;
+    license = lib.licenses.gpl2Only;
   };
 })