{ stdenv, buildGoModule, fetchFromGitHub, installShellFiles }:

buildGoModule rec {
  pname = "fluxctl";
  version = "1.21.0";

  src = fetchFromGitHub {
    owner = "weaveworks";
    repo = "flux";
    rev = version;
    sha256 = "007i6kb80142v19w2dm3667sskcvdp1ilg3q3f9gjgr9c5nrg1m2";
  };

  vendorSha256 = "01v4x2mk5jglnigq0iic52f84vzx56zh46i7v2wlq8ninj8y1k0x";

  nativeBuildInputs = [ installShellFiles ];

  doCheck = false;

  subPackages = [ "cmd/fluxctl" ];

  buildFlagsArray = [ "-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 stdenv.lib; {
    description = "CLI client for Flux, the GitOps Kubernetes operator";
    homepage = "https://github.com/fluxcd/flux";
    license = licenses.asl20;
    maintainers = with maintainers; [ Gonzih Br1ght0ne ];
  };
}