class KubernetesCli < Formula
  desc "Kubernetes command-line interface"
  homepage "https://kubernetes.io/"
  url "https://github.com/kubernetes/kubernetes.git",
      :tag => "v1.6.3",
      :revision => "0480917b552be33e2dba47386e51decb1a211df6"
  head "https://github.com/kubernetes/kubernetes.git"

  bottle do
    cellar :any_skip_relocation
    sha256 "ad0040ee808cfc0721aad74ebff8edbc7fb191c33c527613a76215254f88b877" => :sierra
    sha256 "80a895359c89cb88040850aba3fd2d2214d53a1be1e6c98fec9df342bfe59c89" => :el_capitan
    sha256 "20c9fc6bd20cbae571f3ac1feaf2f797ced7a7976d797ca547a961694d1084c3" => :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
  end
end