class Thefuck < Formula
  homepage "https://github.com/nvbn/thefuck"
  url "https://pypi.python.org/packages/source/t/thefuck/thefuck-1.42.tar.gz"
  sha256 "049f52a44d82ed1e79abb3c32eb96459e3b848fbc097af826dda218a5910f011"

  bottle do
    cellar :any
    sha256 "8cb7b9d983aa110e303cb5b10219c3daace5e88c4ce38cf7ff49049c12467636" => :yosemite
    sha256 "d4078976c01946fb393552edee5af45abbb330e6ede9d9f7a8181077e22a4892" => :mavericks
    sha256 "a15e4cf605c155dc4e8648622ac241808ffea28836a080ae6946a8b1b2f287d1" => :mountain_lion
  end

  depends_on :python if MacOS.version <= :snow_leopard

  resource "psutil" do
    url "https://pypi.python.org/packages/source/p/psutil/psutil-2.2.1.tar.gz"
    sha256 "a0e9b96f1946975064724e242ac159f3260db24ffa591c3da0a355361a3a337f"
  end

  resource "pathlib" do
    url "https://pypi.python.org/packages/source/p/pathlib/pathlib-1.0.1.tar.gz"
    sha256 "6940718dfc3eff4258203ad5021090933e5c04707d5ca8cc9e73c94a7894ea9f"
  end

  resource "colorama" do
    url "https://pypi.python.org/packages/source/c/colorama/colorama-0.3.3.tar.gz"
    sha256 "eb21f2ba718fbf357afdfdf6f641ab393901c7ca8d9f37edd0bee4806ffa269c"
  end

  resource "six" do
    url "https://pypi.python.org/packages/source/s/six/six-1.9.0.tar.gz"
    sha256 "e24052411fc4fbd1f672635537c3fc2330d9481b18c0317695b46259512c91d5"
  end

  def install
    ENV["PYTHONPATH"] = libexec/"vendor/lib/python2.7/site-packages"
    ENV.prepend_create_path "PYTHONPATH", libexec/"lib/python2.7/site-packages"

    %w[psutil pathlib colorama six].each do |r|
      resource(r).stage do
        system "python", *Language::Python.setup_install_args(libexec/"vendor")
      end
    end
    system "python", *Language::Python.setup_install_args(libexec)

    bin.install Dir["#{libexec}/bin/*"]
    bin.env_script_all_files(libexec/"bin", :PYTHONPATH => ENV["PYTHONPATH"])
  end

  test do
    output = shell_output(bin/"thefuck echho")
    assert output.include? "echo"
  end

  def caveats; <<-EOS.undent
    Add the following to your .bash_profile or .zshrc:
      bash: alias fuck='eval $(thefuck $(fc -ln -1)); history -r'
      zsh: alias fuck='eval $(thefuck $(fc -ln -1 | tail -n 1)); fc -R'

      Other shells: https://github.com/nvbn/thefuck/wiki/Shell-aliases
    EOS
  end
end