class Hugo < Formula
  desc "Configurable static site generator"
  homepage "https://gohugo.io/"
  url "https://github.com/gohugoio/hugo/archive/v0.58.1.tar.gz"
  sha256 "6c7a6da40d4bab4f644eac068255f6aaad3117725f9d719a4e8279994d468cc3"
  head "https://github.com/gohugoio/hugo.git"

  bottle do
    cellar :any_skip_relocation
    sha256 "b102f960792c664569950a06c4ec9baf38afb6d8450e00eb76dfeb18d3988efa" => :mojave
    sha256 "46502e72a119979d3cc5a48b9f29cdd34fa282ee087034f84184d36df8944d42" => :high_sierra
    sha256 "456c4128fef9cc9e1d0f1bd3b8a748c173652cabe27e26148d6f3111ed9bcb18" => :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