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/networking/opensnitch/ui.nix

@@ -0,0 +1,70 @@
+{ python3Packages
+, fetchFromGitHub
+, wrapQtAppsHook
+, lib
+}:
+
+python3Packages.buildPythonApplication rec {
+  pname = "opensnitch-ui";
+  version = "1.5.1";
+
+  src = fetchFromGitHub {
+    owner = "evilsocket";
+    repo = "opensnitch";
+    rev = "refs/tags/v${version}";
+    sha256 = "sha256-8IfupmQb1romGEvv/xqFkYhp0gGoY4ZEllX6rZYIkqw=";
+  };
+
+  postPatch = ''
+    substituteInPlace ui/opensnitch/utils.py \
+      --replace /usr/lib/python3/dist-packages/data ${python3Packages.pyasn}/${python3Packages.python.sitePackages}/pyasn/data
+  '';
+
+  nativeBuildInputs = [
+    python3Packages.pyqt5
+    wrapQtAppsHook
+  ];
+
+  propagatedBuildInputs = with python3Packages; [
+    grpcio-tools
+    pyqt5
+    unidecode
+    unicode-slugify
+    pyinotify
+    notify2
+    pyasn
+  ];
+
+  preBuild = ''
+    make -C ../proto ../ui/opensnitch/ui_pb2.py
+    # sourced from ui/Makefile
+    pyrcc5 -o opensnitch/resources_rc.py opensnitch/res/resources.qrc
+    sed -i 's/^import ui_pb2/from . import ui_pb2/' opensnitch/ui_pb2*
+  '';
+
+  preConfigure = ''
+    cd ui
+  '';
+
+  preCheck = ''
+    export PYTHONPATH=opensnitch:$PYTHONPATH
+  '';
+
+  postInstall = ''
+    mv $out/${python3Packages.python.sitePackages}/usr/* $out/
+  '';
+
+  dontWrapQtApps = true;
+  makeWrapperArgs = [ "\${qtWrapperArgs[@]}" ];
+
+  # All tests are sandbox-incompatible and disabled for now
+  doCheck = false;
+
+  meta = with lib; {
+    description = "An application firewall";
+    homepage = "https://github.com/evilsocket/opensnitch/wiki";
+    license = licenses.gpl3Only;
+    maintainers = [ maintainers.raboof ];
+    platforms = platforms.linux;
+  };
+}