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/hetzner-kube/default.nix

@@ -0,0 +1,49 @@
+{ lib, buildGoModule, fetchFromGitHub, installShellFiles }:
+
+buildGoModule rec {
+  pname = "hetzner-kube";
+  version = "0.5.1";
+
+  src = fetchFromGitHub {
+    owner = "xetys";
+    repo = "hetzner-kube";
+    rev = version;
+    sha256 = "1iqgpmljqx6rhmvsir2675waj78amcfiw08knwvlmavjgpxx2ysw";
+  };
+
+  patches = [
+    # Use $HOME instead of the OS user database.
+    # Upstream PR: https://github.com/xetys/hetzner-kube/pull/346
+    # Unfortunately, the PR patch does not apply against release.
+    ./fix-home.patch
+  ];
+
+  vendorSha256 = "1jh2f66ys6rmrrwrf5zqfprgcvziyq6l4z8bfqwxgf1ysnxx525h";
+
+  doCheck = false;
+
+  ldflags = [
+    "-X github.com/xetys/hetzner-kube/cmd.version=${version}"
+  ];
+
+  nativeBuildInputs = [
+    installShellFiles
+  ];
+
+  postInstall = ''
+    # Need a writable home, because it fails if unable to write config.
+    export HOME=$TMP
+    $out/bin/hetzner-kube completion bash > hetzner-kube
+    $out/bin/hetzner-kube completion zsh > _hetzner-kube
+    installShellCompletion --zsh _hetzner-kube
+    installShellCompletion --bash hetzner-kube
+  '';
+
+  meta = {
+    description = "A CLI tool for provisioning Kubernetes clusters on Hetzner Cloud";
+    homepage = "https://github.com/xetys/hetzner-kube";
+    license = lib.licenses.asl20;
+    maintainers = with lib.maintainers; [ eliasp ];
+    platforms = lib.platforms.unix;
+  };
+}