From f6cc37608d79fb4eadf3883360c10e28e89fbc18 Mon Sep 17 00:00:00 2001
From: Felix Buehler <account@buehler.rocks>
Date: Sun, 19 Dec 2021 18:27:53 +0100
Subject: gnuchess: refactor

---
 pkgs/games/gnuchess/default.nix      | 35 ++++++++++++++---------------------
 pkgs/games/gnuchess/default.upstream |  1 -
 2 files changed, 14 insertions(+), 22 deletions(-)
 delete mode 100644 pkgs/games/gnuchess/default.upstream

diff --git a/pkgs/games/gnuchess/default.nix b/pkgs/games/gnuchess/default.nix
index c150ba4ffee..3acf6a8aa62 100644
--- a/pkgs/games/gnuchess/default.nix
+++ b/pkgs/games/gnuchess/default.nix
@@ -1,23 +1,17 @@
-{lib, stdenv, fetchurl, flex, makeWrapper}:
-let
-  s = # Generated upstream information
-  rec {
-    baseName="gnuchess";
-    version="6.2.9";
-    name="${baseName}-${version}";
-    url="mirror://gnu/chess/${name}.tar.gz";
-    sha256="sha256-3fzCC911aQCpq2xCx9r5CiiTv38ZzjR0IM42uuvEGJA=";
+{ lib, stdenv, fetchurl, flex, makeWrapper }:
+
+stdenv.mkDerivation rec {
+  pname = "gnuchess";
+  version = "6.2.9";
+
+  src = fetchurl {
+    url = "mirror://gnu/chess/gnuchess-${version}.tar.gz";
+    sha256 = "sha256-3fzCC911aQCpq2xCx9r5CiiTv38ZzjR0IM42uuvEGJA=";
   };
+
   buildInputs = [
     flex
   ];
-in
-stdenv.mkDerivation {
-  inherit (s) name version;
-  src = fetchurl {
-    inherit (s) url sha256;
-  };
-  inherit buildInputs;
   nativeBuildInputs = [ makeWrapper ];
 
   postInstall = ''
@@ -25,11 +19,10 @@ stdenv.mkDerivation {
     wrapProgram $out/bin/gnuchessu --set PATH "$out/bin"
   '';
 
-  meta = {
-    inherit (s) version;
+  meta = with lib; {
     description = "GNU Chess engine";
-    maintainers = [lib.maintainers.raskin];
-    platforms = lib.platforms.unix;
-    license = lib.licenses.gpl3Plus;
+    maintainers = with maintainers; [ raskin ];
+    platforms = platforms.unix;
+    license = licenses.gpl3Plus;
   };
 }
diff --git a/pkgs/games/gnuchess/default.upstream b/pkgs/games/gnuchess/default.upstream
deleted file mode 100644
index f19dca51add..00000000000
--- a/pkgs/games/gnuchess/default.upstream
+++ /dev/null
@@ -1 +0,0 @@
-url https://ftp.gnu.org/gnu/chess/
-- 
cgit 1.4.1