class Hugo < Formula
  desc "Configurable static site generator"
  homepage "https://gohugo.io/"
  url "https://github.com/gohugoio/hugo/archive/v0.49.tar.gz"
  sha256 "a31e0bac3a8c2884ed156b696fa1f63aa90b5898b537d30fbbdb95311ffa3e83"
  head "https://github.com/gohugoio/hugo.git"

  bottle do
    cellar :any_skip_relocation
    sha256 "cbfca6a5c9207845e1ba33328877fecd937c2b7cab7c4f18a25435952865b687" => :mojave
    sha256 "9439a426710668c9ee8274d1656f88a7eb11932d8bbd341c67118124bb09debf" => :high_sierra
    sha256 "38c7731c48279b9c2aa6d7cbb3e0ed51ab30a6a0766f5e910dcbb524738818d8" => :sierra
  end

  depends_on "go" => :build

  def install
    ENV["GOPATH"] = HOMEBREW_CACHE/"go_cache"
    (buildpath/"src/github.com/gohugoio/hugo").install buildpath.children

    cd "src/github.com/gohugoio/hugo" do
      system "go", "build", "-o", bin/"hugo", "-tags", "extended", "main.go"

      # Build bash completion
      system bin/"hugo", "gen", "autocomplete", "--completionfile=hugo.sh"
      bash_completion.install "hugo.sh"

      # Build man pages; target dir man/ is hardcoded :(
      (Pathname.pwd/"man").mkpath
      system bin/"hugo", "gen", "man"
      man1.install Dir["man/*.1"]

      prefix.install_metafiles
    end
  end

  test do
    site = testpath/"hops-yeast-malt-water"
    system "#{bin}/hugo", "new", "site", site
    assert_predicate testpath/"#{site}/config.toml", :exist?
  end
end