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/applications/audio/jmusicbot/default.nix

@@ -0,0 +1,32 @@
+{ stdenv, lib, fetchurl, makeWrapper, jre }:
+
+stdenv.mkDerivation rec {
+  pname = "JMusicBot";
+  version = "0.3.8";
+
+  src = fetchurl {
+    url = "https://github.com/jagrosh/MusicBot/releases/download/${version}/JMusicBot-${version}.jar";
+    sha256 = "sha256-wzmrh9moY6oo3RqOy9Zl1X70BZlvbJkQmz8BaBIFtIM=";
+  };
+
+  dontUnpack = true;
+
+  nativeBuildInputs = [ makeWrapper ];
+
+  installPhase = ''
+    mkdir -p $out/lib
+    cp $src $out/lib/JMusicBot
+
+    makeWrapper ${jre}/bin/java $out/bin/JMusicBot \
+      --add-flags "-Xmx1G -Dnogui=true -Djava.util.concurrent.ForkJoinPool.common.parallelism=1 -jar $out/lib/JMusicBot"
+  '';
+
+  meta = with lib; {
+    description = "Discord music bot that's easy to set up and run yourself";
+    homepage = "https://github.com/jagrosh/MusicBot";
+    sourceProvenance = with sourceTypes; [ binaryBytecode ];
+    license = licenses.asl20;
+    maintainers = with maintainers; [ SuperSandro2000 ];
+    platforms = platforms.all;
+  };
+}