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/fluxctl/default.nix

@@ -0,0 +1,37 @@
+{ lib, buildGoModule, fetchFromGitHub, installShellFiles }:
+
+buildGoModule rec {
+  pname = "fluxctl";
+  version = "1.25.1";
+
+  src = fetchFromGitHub {
+    owner = "weaveworks";
+    repo = "flux";
+    rev = version;
+    sha256 = "sha256-l/BPnqa0j0yAdrl9BxFUKt94JwiNyPq1gKYuhGj/c8w=";
+  };
+
+  vendorSha256 = "sha256-PZriaKbgRKm7ssHOBmbzbma5LrRt0TsQiphSrtcT83k=";
+
+  nativeBuildInputs = [ installShellFiles ];
+
+  doCheck = false;
+
+  subPackages = [ "cmd/fluxctl" ];
+
+  ldflags = [ "-s" "-w" "-X main.version=${version}" ];
+
+  postInstall = ''
+    for shell in bash fish zsh; do
+      $out/bin/fluxctl completion $shell > fluxctl.$shell
+      installShellCompletion fluxctl.$shell
+    done
+  '';
+
+  meta = with lib; {
+    description = "CLI client for Flux, the GitOps Kubernetes operator";
+    homepage = "https://github.com/fluxcd/flux";
+    license = licenses.asl20;
+    maintainers = with maintainers; [ Gonzih Br1ght0ne ];
+  };
+}