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/tools/misc/jugglinglab/default.nix

@@ -0,0 +1,30 @@
+{ lib, stdenv, fetchFromGitHub, jre, makeWrapper, ant, jdk }:
+stdenv.mkDerivation rec {
+  version = "1.2.1";
+  pname = "jugglinglab";
+  src = fetchFromGitHub {
+    owner = "jkboyce";
+    repo = "jugglinglab";
+    rev = "1908012682d8c39a9b92248a20f285455104c510"; # v1.2.1 does not have a tag on Github
+    sha256 = "0dvcyjwynvapqbjchrln59vdskrm3w6kh0knxcn4bx61vcz3171z";
+  };
+  buildInputs = [ jre ];
+  nativeBuildInputs = [ ant jdk makeWrapper ];
+  buildPhase = "ant";
+
+  installPhase = ''
+    mkdir -p "$out/bin"
+    mkdir -p "$out/lib"
+    cp bin/JugglingLab.jar $out/lib/
+
+    makeWrapper ${jre}/bin/java $out/bin/jugglinglab \
+      --add-flags "-jar $out/lib/JugglingLab.jar"
+  '';
+
+  meta = with lib; {
+      description = "A program to visualize different juggling pattens";
+      license = licenses.gpl2;
+      maintainers = with maintainers; [ wnklmnn ];
+      platforms = platforms.all;
+  };
+}