From aff8243f340a53938c209ec8e2e8ffe7262d62b1 Mon Sep 17 00:00:00 2001
From: Anton Mosich <anton@mosich.at>
Date: Tue, 15 Apr 2025 10:00:14 +0200
Subject: [PATCH 1/2] trackballs: fix build

On the update of SDL2_ttf from 2.22.0 -> 2.24.0, trackballs got broken. The
relevant commit in SDL2_ttf is 22347419ee08e49d77411c680f15e314ef870ab7,
which renamed the struct _TTF_Font to TTF_Font.
---
 pkgs/by-name/tr/trackballs/package.nix | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/pkgs/by-name/tr/trackballs/package.nix b/pkgs/by-name/tr/trackballs/package.nix
index 1b21058149a1..c01235a7a806 100644
--- a/pkgs/by-name/tr/trackballs/package.nix
+++ b/pkgs/by-name/tr/trackballs/package.nix
@@ -25,6 +25,10 @@ stdenv.mkDerivation rec {
     sha256 = "sha256-JKSiNe5mu8rRztUhduGFY6IsSMx6VyBqKcGO5EssI+8=";
   };
 
+  postPatch = ''
+    substituteInPlace src/glHelp.h --replace-fail _TTF_Font TTF_Font
+  '';
+
   nativeBuildInputs = [ cmake ];
   buildInputs = [
     zlib

From 0c673a8c30114d111c27cd9b3a335e31e90c9e04 Mon Sep 17 00:00:00 2001
From: Anton Mosich <anton@mosich.at>
Date: Tue, 15 Apr 2025 10:02:24 +0200
Subject: [PATCH 2/2] trackballs: modernize

---
 pkgs/by-name/tr/trackballs/package.nix | 16 ++++++++--------
 1 file changed, 8 insertions(+), 8 deletions(-)

diff --git a/pkgs/by-name/tr/trackballs/package.nix b/pkgs/by-name/tr/trackballs/package.nix
index c01235a7a806..fa1f14d7d06c 100644
--- a/pkgs/by-name/tr/trackballs/package.nix
+++ b/pkgs/by-name/tr/trackballs/package.nix
@@ -14,15 +14,15 @@
   libGL,
 }:
 
-stdenv.mkDerivation rec {
+stdenv.mkDerivation (finalAttrs: {
   pname = "trackballs";
   version = "1.3.4";
 
   src = fetchFromGitHub {
     owner = "trackballs";
-    repo = pname;
-    rev = "v${version}";
-    sha256 = "sha256-JKSiNe5mu8rRztUhduGFY6IsSMx6VyBqKcGO5EssI+8=";
+    repo = "trackballs";
+    tag = "v${finalAttrs.version}";
+    hash = "sha256-JKSiNe5mu8rRztUhduGFY6IsSMx6VyBqKcGO5EssI+8=";
   };
 
   postPatch = ''
@@ -42,12 +42,12 @@ stdenv.mkDerivation rec {
     libGL
   ];
 
-  meta = with lib; {
+  meta = {
     homepage = "https://trackballs.github.io/";
     description = "3D Marble Madness clone";
     mainProgram = "trackballs";
-    platforms = platforms.linux;
+    platforms = lib.platforms.linux;
     # Music is licensed under Ethymonics Free Music License.
-    license = licenses.gpl2Plus;
+    license = lib.licenses.gpl2Plus;
   };
-}
+})