colobot: modernize

pkgs/by-name/co/colobot/package.nix

@@ -24,7 +24,7 @@
 let
   colobot-data = callPackage ./data.nix { };
 in
-stdenv.mkDerivation rec {
+stdenv.mkDerivation (finalAttrs: {
   pname = "colobot";
   # Maybe require an update to package colobot-data as well
   # in file data.nix next to this one
@@ -33,7 +33,7 @@ stdenv.mkDerivation rec {
   src = fetchFromGitHub {
     owner = "colobot";
     repo = "colobot";
-    rev = "colobot-gold-${version}";
+    tag = "colobot-gold-${finalAttrs.version}";
     hash = "sha256-3iea2+5xCT0//NAjMHrynZKSoiOSgLTNMUQkRhXuXg8=";
   };
 
@@ -68,11 +68,11 @@ stdenv.mkDerivation rec {
     done
   '';
 
-  meta = with lib; {
+  meta = {
     homepage = "https://colobot.info/";
     description = "Colobot: Gold Edition is a real-time strategy game, where you can program your bots";
-    license = licenses.gpl3;
-    maintainers = with maintainers; [ freezeboy ];
-    platforms = platforms.linux;
+    license = lib.licenses.gpl3;
+    maintainers = with lib.maintainers; [ freezeboy ];
+    platforms = lib.platforms.linux;
   };
-}
+})