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/invocations/default.nix

@@ -0,0 +1,54 @@
+{ lib
+, buildPythonPackage
+, blessings
+, fetchFromGitHub
+, invoke
+, releases
+, semantic-version
+, tabulate
+, tqdm
+, twine
+}:
+
+buildPythonPackage rec {
+  pname = "invocations";
+  version = "2.6.0";
+  format = "setuptools";
+
+  src = fetchFromGitHub {
+    owner = "pyinvoke";
+    repo = pname;
+    rev = version;
+    hash = "sha256-eyOJKVRfn7elyEkERl7hvRTNFmq7O9Pr03lBS6xp0wE=";
+  };
+
+  postPatch = ''
+    substituteInPlace setup.py \
+      --replace "semantic_version>=2.4,<2.7" "semantic_version" \
+      --replace "tabulate==0.7.5" "tabulate"
+  '';
+
+  propagatedBuildInputs = [
+    blessings
+    invoke
+    releases
+    semantic-version
+    tabulate
+    tqdm
+    twine
+  ];
+
+  # There's an error loading the test suite. See https://github.com/pyinvoke/invocations/issues/29.
+  doCheck = false;
+
+  pythonImportsCheck = [
+    "invocations"
+  ];
+
+  meta = with lib; {
+    description = "Common/best-practice Invoke tasks and collections";
+    homepage = "https://invocations.readthedocs.io/";
+    license = licenses.bsd2;
+    maintainers = with maintainers; [ samuela ];
+  };
+}