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/kubergrunt/default.nix

@@ -0,0 +1,31 @@
+{ buildGoModule, lib, fetchFromGitHub }:
+
+buildGoModule rec {
+  pname = "kubergrunt";
+  version = "0.8.0";
+
+  src = fetchFromGitHub {
+    owner = "gruntwork-io";
+    repo = "kubergrunt";
+    rev = "v${version}";
+    sha256 = "sha256-K94cGU+cFHOrAGXjHQFFFJYhZi9zNfdlGy5eb2DkcV8=";
+  };
+
+  vendorSha256 = "sha256-95rteSEMOBQnAw0QKuj5Yyi8n3xXGl0Tm97WiyTGxVw=";
+
+  # Disable tests since it requires network access and relies on the
+  # presence of certain AWS infrastructure
+  doCheck = false;
+
+  postInstall = ''
+    # The binary is named kubergrunt
+    mv $out/bin/cmd $out/bin/kubergrunt
+  '';
+
+  meta = with lib; {
+    description = "Collection of commands to fill in the gaps between Terraform, Helm, and Kubectl";
+    homepage = "https://github.com/gruntwork-io/kubergrunt";
+    license = licenses.asl20;
+    maintainers = with maintainers; [ psibi ];
+  };
+}