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/applications/networking/cluster/kubeval/default.nix

@@ -0,0 +1,28 @@
+{ lib
+, fetchFromGitHub
+, buildGoModule
+, makeWrapper
+}:
+
+buildGoModule rec {
+  pname = "kubeval";
+  version = "0.16.1";
+
+  src = fetchFromGitHub {
+    owner = "instrumenta";
+    repo = "kubeval";
+    rev = "v${version}";
+    sha256 = "sha256-pwJOV7V78H2XaMiiJvKMcx0dEwNDrhgFHmCRLAwMirg=";
+  };
+
+  vendorSha256 = "sha256-OAFxEb7IWhyRBEi8vgmekDSL/YpmD4EmUfildRaPR24=";
+
+  doCheck = false;
+
+  meta = with lib; {
+    description = "Validate your Kubernetes configuration files";
+    homepage = "https://github.com/instrumenta/kubeval";
+    license = licenses.asl20;
+    maintainers = with maintainers; [ johanot nicknovitski ];
+  };
+}

pkgs/applications/networking/cluster/kubeval/schema.nix

@@ -0,0 +1,15 @@
+{ fetchFromGitHub }:
+# To cache schema as a package so network calls are not
+# necessary at runtime, allowing use in package builds you can use the following:
+
+#   KUBEVAL_SCHEMA_LOCATION="file:///${kubeval-schema}";
+(fetchFromGitHub {
+  name = "kubeval-schema";
+  owner = "instrumenta";
+  repo = "kubernetes-json-schema";
+  rev = "6a498a60dc68c5f6a1cc248f94b5cd1e7241d699";
+  sha256 = "1y9m2ma3n4h7sf2lg788vjw6pkfyi0fa7gzc870faqv326n6x2jr";
+}) // {
+  # the schema is huge (> 7GB), we don't get any benefit from building int on hydra
+  meta.hydraPlatforms = [];
+}