class Ry < Formula
  desc "Ruby virtual env tool"
  homepage "https://github.com/jayferd/ry"
  url "https://github.com/jayferd/ry/archive/v0.5.2.tar.gz"
  sha256 "b53b51569dfa31233654b282d091b76af9f6b8af266e889b832bb374beeb1f59"

  head "https://github.com/jayferd/ry.git"

  bottle do
    cellar :any
    sha1 "68b813c169fc16024ac73774bba8ab074ec966d3" => :mavericks
    sha1 "ffa8d32fade2e880391d4229e09c6b7bfb394910" => :mountain_lion
    sha1 "370606fd9714e3f0eda2748f52fb404197c51d78" => :lion
  end

  depends_on "ruby-build" => :recommended
  depends_on "bash-completion" => :recommended

  def install
    ENV["PREFIX"] = prefix
    ENV["BASH_COMPLETIONS_DIR"] = etc/"bash_completion.d"
    ENV["ZSH_COMPLETIONS_DIR"] = share/"zsh/site-functions"
    system "make", "install"
  end

  def caveats; <<-EOS.undent
    Please add to your profile:
      which ry &>/dev/null && eval "$(ry setup)"

    If you want your Rubies to persist across updates you
    should set the `RY_RUBIES` variable in your profile, i.e.
      export RY_RUBIES="#{HOMEBREW_PREFIX}/var/ry/rubies"
  EOS
  end

  test do
    ENV["RY_RUBIES"] = testpath/"rubies"

    system bin/"ry", "ls"
    assert File.exist?(testpath/"rubies")
  end
end