zandronum-bin: fix argv0, add license

pkgs/games/zandronum/bin.nix

@@ -16,6 +16,7 @@
 , pango
 , SDL
 , zlib
+, makeWrapper
 }:
 
 stdenv.mkDerivation rec {
@@ -46,6 +47,8 @@ stdenv.mkDerivation rec {
     zlib
   ];
 
+  nativeBuildInputs = [ makeWrapper ];
+
   phases = [ "unpackPhase" "installPhase" ];
 
   sourceRoot = ".";
@@ -64,14 +67,17 @@ stdenv.mkDerivation rec {
       --set-rpath $libPath \
       $out/share/zandronum/zandronum-server
 
-    ln -s $out/share/zandronum/zandronum $out/bin/zandronum
-    ln -s $out/share/zandronum/zandronum-server $out/bin/zandronum-server
+    # If we don't set absolute argv0, zandronum.wad file is not found.
+    makeWrapper $out/share/zandronum/zandronum $out/bin/zandronum
+    makeWrapper $out/share/zandronum/zandronum-server $out/bin/zandronum-server
   '';
 
   meta = {
     homepage = http://zandronum.com/;
     description = "multiplayer oriented port, based off Skulltag, for Doom and Doom II by id Software. Binary version for online play.";
     maintainer = [ stdenv.lib.maintainers.lassulus ];
+    # Binary version has different version string than source code version.
+    license = stdenv.lib.licenses.unfreeRedistributable;
     platforms = [ "x86_64-linux" ];
   };
 }

pkgs/top-level/all-packages.nix

@@ -14596,7 +14596,7 @@ let
     serverOnly = true;
   };
 
-  zandronum-bin = callPackage ../games/zandronum/bin.nix { };
+  zandronum-bin = hiPrio (callPackage ../games/zandronum/bin.nix { });
 
   zangband = callPackage ../games/zangband { };