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/warrant/default.nix

@@ -0,0 +1,44 @@
+{ lib, buildPythonPackage, fetchFromGitHub, fetchpatch
+, mock
+, boto3, envs, python-jose, requests }:
+
+buildPythonPackage {
+  pname = "warrant";
+  version = "0.6.1";
+
+  # move to fetchPyPi when https://github.com/capless/warrant/issues/97 is fixed
+  src = fetchFromGitHub {
+    owner  = "capless";
+    repo   = "warrant";
+    rev    = "ff2e4793d8479e770f2461ef7cbc0c15ee784395";
+    sha256 = "0gw3crg64p1zx3k5js0wh0x5bldgs7viy4g8hld9xbka8q0374hi";
+  };
+
+  patches = [
+    (fetchpatch {
+      name = "fix-pip10-compat.patch";
+      url = "https://github.com/capless/warrant/commit/ae17d17d9888b9218a8facf6f6ad0bf4adae9a12.patch";
+      sha256 = "1lvqi2qfa3kxdz05ab2lc7xnd3piyvvnz9kla2jl4pchi876z17c";
+    })
+  ];
+
+  # this needs to go when 0.6.2 or later is released
+  postPatch = ''
+    substituteInPlace requirements.txt \
+      --replace "python-jose-cryptodome>=1.3.2" "python-jose>=2.0.0"
+  '';
+
+  checkInputs = [ mock ];
+
+  propagatedBuildInputs = [ boto3 envs python-jose requests ];
+
+  # all the checks are failing
+  doCheck = false;
+
+  meta = with lib; {
+    description = "Python library for using AWS Cognito with support for SRP";
+    homepage = "https://github.com/capless/warrant";
+    license = lib.licenses.asl20;
+    maintainers = with lib.maintainers; [ peterhoeg ];
+  };
+}