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/servers/isso/default.nix

@@ -0,0 +1,67 @@
+{ pkgs, nodejs, lib, python3Packages, fetchFromGitHub, nixosTests }:
+let
+  nodeEnv = import ./node-env.nix {
+    inherit (pkgs) stdenv lib python2 runCommand writeTextFile;
+    inherit pkgs nodejs;
+    libtool = if pkgs.stdenv.isDarwin then pkgs.darwin.cctools else null;
+  };
+  nodePackages = import ./node-packages.nix {
+    inherit (pkgs) fetchurl nix-gitignore stdenv lib fetchgit;
+    inherit nodeEnv;
+  };
+
+  nodeDependencies = (nodePackages.shell.override (old: {
+  })).nodeDependencies;
+in
+with python3Packages; buildPythonApplication rec {
+
+  pname = "isso";
+  version = "0.12.6.2";
+
+  src = fetchFromGitHub {
+    owner = "posativ";
+    repo = pname;
+    rev = "refs/tags/${version}";
+    sha256 = "sha256-T5T3EJS8ef8uo+P9qkC+7I70qv+4PFrnhImr04Fz57U=";
+  };
+
+  propagatedBuildInputs = [
+    itsdangerous
+    jinja2
+    misaka
+    html5lib
+    werkzeug
+    bleach
+    flask-caching
+  ];
+
+  nativeBuildInputs = [
+    cffi
+    nodejs
+  ];
+
+  preBuild = ''
+    ln -s ${nodeDependencies}/lib/node_modules ./node_modules
+    export PATH="${nodeDependencies}/bin:$PATH"
+
+    make js
+  '';
+
+  checkInputs = [
+    pytest
+    pytest-cov
+  ];
+
+  checkPhase = ''
+    pytest
+  '';
+
+  passthru.tests = { inherit (nixosTests) isso; };
+
+  meta = with lib; {
+    description = "A commenting server similar to Disqus";
+    homepage = "https://posativ.org/isso/";
+    license = licenses.mit;
+    maintainers = with maintainers; [ fgaz ];
+  };
+}