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/science/biology/varscan/default.nix

@@ -0,0 +1,38 @@
+{lib, stdenv, fetchurl, jre, makeWrapper}:
+
+stdenv.mkDerivation rec {
+  pname = "varscan";
+  version = "2.4.4";
+
+  src = fetchurl {
+    url = "https://github.com/dkoboldt/varscan/raw/master/VarScan.v${version}.jar";
+    sha256 = "sha256-+yO3KrZ2+1qJvQIJHCtsmv8hC5a+4E2d7mrvTYtygU0=";
+  };
+
+  nativeBuildInputs = [ makeWrapper ];
+  buildInputs = [ jre ];
+
+  dontUnpack = true;
+
+  installPhase = ''
+    mkdir -p $out/libexec/varscan
+    cp $src $out/libexec/varscan/varscan.jar
+    mkdir -p $out/bin
+    makeWrapper ${jre}/bin/java $out/bin/varscan --add-flags "-jar $out/libexec/varscan/varscan.jar"
+  '';
+
+  meta = with lib; {
+    description = "Variant calling and somatic mutation/CNV detection for next-generation sequencing data";
+    # VarScan 2 is free for non-commercial use by academic,
+    # government, and non-profit/not-for-profit institutions. A
+    # commercial version of the software is available, and licensed
+    # through the Office of Technology Management at Washington
+    # University School of Medicine.
+    license = licenses.unfree;
+    homepage = "https://github.com/dkoboldt/varscan";
+    sourceProvenance = with sourceTypes; [ binaryBytecode ];
+    maintainers = with maintainers; [ jbedo ];
+    platforms = platforms.all;
+  };
+
+}