class KubernetesCli < Formula
  desc "Kubernetes command-line interface"
  homepage "https://kubernetes.io/"
  url "https://github.com/kubernetes/kubernetes.git",
      :tag => "v1.6.6",
      :revision => "7fa1c1756d8bc963f1a389f4a6937dc71f08ada2"
  head "https://github.com/kubernetes/kubernetes.git"

  bottle do
    cellar :any_skip_relocation
    sha256 "fdcdc3f168288a0a0289c518a811cfe544e19d3ceba1f61fd5cc86ebd259a31b" => :sierra
    sha256 "8dc6e6eb12fa3ec5d4cd6148c2f425ad453d98ce05be79e3853b49fca61584ce" => :el_capitan
    sha256 "0f6d79b7e5cac303959f38dc786388e78aa7a3cfbd9c5f8d79c03705b3f19ad0" => :yosemite
  end

  depends_on "go" => :build

  def install
    ENV["GOPATH"] = buildpath
    arch = MacOS.prefer_64_bit? ? "amd64" : "x86"
    dir = buildpath/"src/k8s.io/kubernetes"
    dir.install buildpath.children - [buildpath/".brew_home"]

    cd dir do
      # Race condition still exists in OSX Yosemite
      # Filed issue: https://github.com/kubernetes/kubernetes/issues/34635
      ENV.deparallelize { system "make", "generated_files" }

      # Make binary
      system "make", "kubectl"
      bin.install "_output/local/bin/darwin/#{arch}/kubectl"

      # Install bash completion
      output = Utils.popen_read("#{bin}/kubectl completion bash")
      (bash_completion/"kubectl").write output

      # Install zsh completion
      output = Utils.popen_read("#{bin}/kubectl completion zsh")
      (zsh_completion/"kubectl").write output
    end
  end

  test do
    run_output = shell_output("#{bin}/kubectl 2>&1")
    assert_match "kubectl controls the Kubernetes cluster manager.", run_output

    version_output = shell_output("#{bin}/kubectl version --client 2>&1")
    assert_match "GitTreeState:\"clean\"", version_output
    assert_match stable.instance_variable_get(:@resource).instance_variable_get(:@specs)[:revision], version_output if build.stable?
  end
end