From ad212c5991fb4fecd819554885686cae79fd763e Mon Sep 17 00:00:00 2001
From: Peter Simons <simons@cryp.to>
Date: Sun, 9 Dec 2018 10:57:52 +0100
Subject: [PATCH] stockfish: update to version 10

---
 pkgs/games/stockfish/default.nix | 10 ++++++----
 1 file changed, 6 insertions(+), 4 deletions(-)

diff --git a/pkgs/games/stockfish/default.nix b/pkgs/games/stockfish/default.nix
index 1f99af85f9f3..13033c7f9f0a 100644
--- a/pkgs/games/stockfish/default.nix
+++ b/pkgs/games/stockfish/default.nix
@@ -3,15 +3,17 @@
 let arch = if stdenv.isx86_64 then "x86-64" else
            if stdenv.isi686 then "x86-32" else
            "unknown";
+
+    version = "10";
 in
 
-stdenv.mkDerivation rec {
+stdenv.mkDerivation {
 
-  name = "stockfish-9";
+  name = "stockfish-${version}";
 
   src = fetchurl {
-    url = "https://github.com/official-stockfish/Stockfish/archive/sf_9.tar.gz";
-    sha256 = "1i37izc3sq9vr663iaxpfh008lgsw7abzj1ws5l1hf3b6xjkgwyh";
+    url = "https://github.com/official-stockfish/Stockfish/archive/sf_${version}.tar.gz";
+    sha256 = "1lrxqq8fw1wrw5b45r4s3ddd51yr85a2k8a9i1wjvyd6v9vm7761";
   };
 
   postUnpack = "sourceRoot+=/src";