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/development/python-modules/pypillowfight/default.nix

@@ -0,0 +1,38 @@
+{ lib, buildPythonPackage, fetchFromGitLab, nose, pillow
+, isPy3k, isPyPy
+}:
+buildPythonPackage rec {
+  pname = "pypillowfight";
+  version = "0.3.0";
+
+  src = fetchFromGitLab {
+    domain = "gitlab.gnome.org";
+    group = "World";
+    owner = "OpenPaperwork";
+    repo = "libpillowfight";
+    rev = version;
+    sha256 = "096242v425mlqqj5g1giy59p7grxp05g78w6bk37vzph98jrgv3w";
+  };
+
+  prePatch = ''
+    echo '#define INTERNAL_PILLOWFIGHT_VERSION "${version}"' > src/pillowfight/_version.h
+  '';
+
+  # Disable tests because they're designed to only work on Debian:
+  # https://github.com/jflesch/libpillowfight/issues/2#issuecomment-268259174
+  doCheck = false;
+
+  # Python 2.x is not supported, see:
+  # https://github.com/jflesch/libpillowfight/issues/1
+  disabled = !isPy3k && !isPyPy;
+
+  # This is needed by setup.py regardless of whether tests are enabled.
+  buildInputs = [ nose ];
+  propagatedBuildInputs = [ pillow ];
+
+  meta = with lib; {
+    description = "Library containing various image processing algorithms";
+    inherit (src.meta) homepage;
+    license = licenses.gpl3Plus;
+  };
+}