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/worldengine/default.nix

@@ -0,0 +1,63 @@
+{ lib
+, buildPythonPackage
+, isPy27
+, fetchFromGitHub
+, noise
+, numpy
+, pyplatec
+, protobuf
+, purepng
+, h5py
+, gdal
+, pytestCheckHook
+}:
+
+buildPythonPackage rec {
+  pname = "worldengine";
+  version = "0.19.0";
+
+  src = fetchFromGitHub {
+    owner = "Mindwerks";
+    repo = "worldengine";
+    rev = "v${version}";
+    sha256 = "1xrckb0dn2841gvp32n18gib14bpi77hmjw3r9jiyhg402iip7ry";
+  };
+
+  src-data = fetchFromGitHub {
+    owner = "Mindwerks";
+    repo = "worldengine-data";
+    rev = "029051e";
+    sha256 = "06xbf8gj3ljgr11v1n8jbs2q8pdf9wz53xdgkhpm8hdnjahgdxdm";
+  };
+
+  postUnpack = ''
+    ln -s ${src-data} worldengine-data
+  '';
+
+  propagatedBuildInputs = [ noise numpy pyplatec protobuf purepng h5py gdal ];
+
+  prePatch = ''
+    substituteInPlace setup.py \
+      --replace pypng>=0.0.18 purepng \
+      --replace 'numpy>=1.9.2, <= 1.10.0.post2' 'numpy' \
+      --replace 'argparse==1.2.1' "" \
+      --replace 'protobuf==3.0.0a3' 'protobuf' \
+      --replace 'noise==1.2.2' 'noise' \
+      --replace 'PyPlatec==1.4.0' 'PyPlatec' \
+  '';
+
+  doCheck = !isPy27; # google namespace clash
+  checkInputs = [ pytestCheckHook ];
+
+  disabledTests = [
+    "TestSerialization"
+  ];
+
+  meta = with lib; {
+    homepage = "http://world-engine.org";
+    description = "World generator using simulation of plates, rain shadow, erosion, etc";
+    license = licenses.mit;
+    maintainers = with maintainers; [ rardiol ];
+  };
+
+}