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/reflink/default.nix

@@ -0,0 +1,39 @@
+{ buildPythonPackage
+, cffi
+, fetchPypi
+, lib
+, pytestCheckHook
+}:
+
+buildPythonPackage rec {
+  pname = "reflink";
+  version = "0.2.1";
+
+  src = fetchPypi {
+    inherit pname version;
+    sha256 = "sha256-ySU1gtskQTv9cDq/wbKkneePMbSQcjnyhumhkpoebjo=";
+  };
+
+  propagatedBuildInputs = [ cffi ];
+
+  propagatedNativeBuildInputs = [ cffi ];
+
+  checkInputs = [ pytestCheckHook ];
+
+  postPatch = ''
+    substituteInPlace setup.py \
+      --replace "pytest-runner" ""
+  '';
+
+  # FIXME: These do not work, and I have been unable to figure out why.
+  doCheck = false;
+
+  pythonImportsCheck = [ "reflink" ];
+
+  meta = with lib; {
+    description = "Python reflink wraps around platform specific reflink implementations";
+    homepage = "https://gitlab.com/rubdos/pyreflink";
+    license = licenses.mit;
+    maintainers = with maintainers; [ lovesegfault ];
+  };
+}