From 186f49f5ebcf127b6f37663b7d7cd3a41e964944 Mon Sep 17 00:00:00 2001
From: "Ricardo M. Correia" <rcorreia@wizy.org>
Date: Wed, 2 Jun 2021 02:32:24 +0200
Subject: [PATCH] box2d: fix hash

The upstream tarball changed. Specifically, files now extract onto a
box2d-2.3.1/ directory rather than Box2D-2.3.1/. The files themselves
(and their contents) seem to remain the same.

(cherry picked from commit a8b85f6d68d4fc96a0f8473aa38a3e773b82c4f0)
---
 pkgs/development/libraries/box2d/default.nix | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/pkgs/development/libraries/box2d/default.nix b/pkgs/development/libraries/box2d/default.nix
index 47a1c0917f0..17830b053ac 100644
--- a/pkgs/development/libraries/box2d/default.nix
+++ b/pkgs/development/libraries/box2d/default.nix
@@ -7,10 +7,10 @@ stdenv.mkDerivation rec {
 
   src = fetchurl {
     url = "https://github.com/erincatto/Box2D/archive/v${version}.tar.gz";
-    sha256 = "0llpcifl8zbjbpxdwz87drd01m3lwnv82xb4av6kca1xn4w2gmkm";
+    sha256 = "0p03ngsmyz0r5kbpiaq10ns4fxwkjvvawi8k6pfall46b93wizsq";
   };
 
-  sourceRoot = "Box2D-${version}/Box2D";
+  sourceRoot = "box2d-${version}/Box2D";
 
   nativeBuildInputs = [ cmake unzip pkg-config ];
   buildInputs = [ libGLU libGL freeglut libX11 xorgproto libXi ];