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;
+  };
+}

pkgs/applications/networking/cluster/hetzner-kube/fix-home.patch

@@ -0,0 +1,53 @@
+diff --git a/cmd/cluster_kubeconfig.go b/cmd/cluster_kubeconfig.go
+index 54cc0c9..fab288a 100644
+--- a/cmd/cluster_kubeconfig.go
++++ b/cmd/cluster_kubeconfig.go
+@@ -6,7 +6,7 @@ import (
+ 	"io/ioutil"
+ 	"log"
+ 	"os"
+-	"os/user"
++	"path/filepath"
+ 	"strings"
+ 
+ 	"github.com/spf13/cobra"
+@@ -52,9 +52,8 @@ Example 4: hetzner-kube cluster kubeconfig -n my-cluster -p > my-conf.yaml # pri
+ 		} else {
+ 			fmt.Println("create file")
+ 
+-			usr, _ := user.Current()
+-			dir := usr.HomeDir
+-			path := fmt.Sprintf("%s/.kube", dir)
++			dir, _ := os.UserHomeDir()
++			path := filepath.Join(dir, ".kube")
+ 
+ 			if _, err := os.Stat(path); os.IsNotExist(err) {
+ 				os.MkdirAll(path, 0755)
+diff --git a/cmd/config.go b/cmd/config.go
+index ce0f3e5..a03c4ba 100644
+--- a/cmd/config.go
++++ b/cmd/config.go
+@@ -8,7 +8,6 @@ import (
+ 	"io/ioutil"
+ 	"log"
+ 	"os"
+-	"os/user"
+ 	"path/filepath"
+ 
+ 	"github.com/hetznercloud/hcloud-go/hcloud"
+@@ -28,13 +27,8 @@ type AppSSHClient struct {
+ // NewAppConfig creates a new AppConfig struct using the locally saved configuration file. If no local
+ // configuration file is found a new config will be created.
+ func NewAppConfig() AppConfig {
+-	usr, err := user.Current()
+-	if err != nil {
+-		return AppConfig{}
+-	}
+-	if usr.HomeDir != "" {
+-		DefaultConfigPath = filepath.Join(usr.HomeDir, ".hetzner-kube")
+-	}
++	dir, _ := os.UserHomeDir()
++	DefaultConfigPath = filepath.Join(dir, ".hetzner-kube")
+ 
+ 	appConf := AppConfig{
+ 		Context: context.Background(),