uboot: (firmwareOdroidC2/C4) don't invoke patch tool, use patches = [] instead

https://github.com/NixOS/nixpkgs/blob/master/pkgs/stdenv/generic/setup.sh#L948
this can do it nicely.

Signed-off-by: Anton Arapov <anton@deadbeef.mx>

pkgs/games/vassal/default.nix

@@ -0,0 +1,41 @@
+{ lib, stdenv, fetchzip, jre, makeWrapper }:
+
+stdenv.mkDerivation rec {
+  pname = "VASSAL";
+  version = "3.6.5";
+
+  src = fetchzip {
+    url = "https://github.com/vassalengine/vassal/releases/download/${version}/${pname}-${version}-linux.tar.bz2";
+    sha256 = "sha256-wnaT0+r599/RboeUfpCZTNd/M2kaCsckI9F+7r7leEE=";
+  };
+
+  nativeBuildInputs = [ makeWrapper ];
+
+  installPhase = ''
+    runHook preInstall
+
+    mkdir -p $out/bin $out/share/vassal $out/doc
+
+    cp CHANGES LICENSE README.md $out
+    cp -R lib/* $out/share/vassal
+    cp -R doc/* $out/doc
+
+    makeWrapper ${jre}/bin/java $out/bin/vassal \
+      --add-flags "-Duser.dir=$out -cp $out/share/vassal/Vengine.jar \
+      VASSAL.launch.ModuleManager"
+
+    runHook postInstall
+  '';
+
+  # Don't move doc to share/, VASSAL expects it to be in the root
+  forceShare = [ "man" "info" ];
+
+  meta = with lib; {
+      description = "A free, open-source boardgame engine";
+      homepage = "https://vassalengine.org/";
+      sourceProvenance = with sourceTypes; [ binaryBytecode ];
+      license = licenses.lgpl21Only;
+      maintainers = with maintainers; [ tvestelind ];
+      platforms = platforms.unix;
+  };
+}