csfml: modernize

pkgs/by-name/cs/csfml/package.nix

@@ -6,14 +6,15 @@
   sfml,
 }:
 
-stdenv.mkDerivation rec {
+stdenv.mkDerivation (finalAttrs: {
   pname = "csfml";
   version = "2.6.1";
+
   src = fetchFromGitHub {
     owner = "SFML";
     repo = "CSFML";
-    rev = version;
-    sha256 = "sha256-ECt0ySDpYWF0zuDBSnQzDwUm4Xj4z1+XSC55D6yivac=";
+    tag = finalAttrs.version;
+    hash = "sha256-ECt0ySDpYWF0zuDBSnQzDwUm4Xj4z1+XSC55D6yivac=";
   };
 
   # Fix incorrect path joining in cmake
@@ -27,9 +28,11 @@ stdenv.mkDerivation rec {
 
   nativeBuildInputs = [ cmake ];
   buildInputs = [ sfml ];
-  cmakeFlags = [ "-DCMAKE_MODULE_PATH=${sfml}/share/SFML/cmake/Modules/" ];
+  cmakeFlags = [
+    (lib.cmakeFeature "CMAKE_MODULE_PATH" "${sfml}/share/SFML/cmake/Modules/")
+  ];
 
-  meta = with lib; {
+  meta = {
     homepage = "https://www.sfml-dev.org/";
     description = "Simple and fast multimedia library";
     longDescription = ''
@@ -37,8 +40,8 @@ stdenv.mkDerivation rec {
       It provides access to windowing, graphics, audio and network.
       It is written in C++, and has bindings for various languages such as C, .Net, Ruby, Python.
     '';
-    license = licenses.zlib;
-    maintainers = [ maintainers.jpdoyle ];
-    platforms = platforms.linux;
+    license = lib.licenses.zlib;
+    maintainers = [ lib.maintainers.jpdoyle ];
+    platforms = lib.platforms.linux;
   };
-}
+})