class KubernetesHelm < Formula
  desc "The Kubernetes package manager"
  homepage "https://helm.sh/"
  url "https://github.com/kubernetes/helm.git",
      :tag => "v2.4.2",
      :revision => "82d8e9498d96535cc6787a6a9194a76161d29b4c"
  head "https://github.com/kubernetes/helm.git"

  bottle do
    cellar :any_skip_relocation
    sha256 "caa9b5c47a62e3445c9ae94ddca89841fc3d7602cbd79660aeae2e35a1c0879b" => :sierra
    sha256 "5ff0a2d6bf4fbb499d25f98d0f720672ed48e422c7798865e523158a2d838619" => :el_capitan
    sha256 "50d6a3fd46698fd7012b511206da9830912f200ec74b029ff00e849ef2bf1cfb" => :yosemite
  end

  depends_on :hg => :build
  depends_on "go" => :build
  depends_on "glide" => :build

  def install
    ENV["GOPATH"] = buildpath
    ENV["GLIDE_HOME"] = HOMEBREW_CACHE/"glide_home/#{name}"
    ENV.prepend_create_path "PATH", buildpath/"bin"
    arch = MacOS.prefer_64_bit? ? "amd64" : "x86"
    ENV["TARGETS"] = "darwin/#{arch}"
    dir = buildpath/"src/k8s.io/helm"
    dir.install buildpath.children - [buildpath/".brew_home"]

    cd dir do
      # Bootstap build
      system "make", "bootstrap"

      # Make binary
      system "make", "build"
      bin.install "bin/helm"
      bin.install "bin/tiller"

      # Install man pages
      man1.install Dir["docs/man/man1/*"]

      # Install bash completion
      bash_completion.install "scripts/completions.bash" => "helm"
    end
  end

  test do
    system "#{bin}/helm", "create", "foo"
    assert File.directory? "#{testpath}/foo/charts"

    version_output = shell_output("#{bin}/helm 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