class Awscli < Formula
  include Language::Python::Virtualenv

  desc "Official Amazon AWS command-line interface"
  homepage "https://aws.amazon.com/cli/"
  url "https://github.com/aws/aws-cli/archive/1.11.20.tar.gz"
  sha256 "788ef595b3fbff1dfca1e2aee70085febcfd35a04bba57e43f4b7dac8155610c"
  head "https://github.com/aws/aws-cli.git", :branch => "develop"

  bottle do
    cellar :any_skip_relocation
    sha256 "2fe65fbcf62bac5d8478d0755be9144a436b4f83e959bb5613a590180ce97e70" => :sierra
    sha256 "e61813416031372dd4f16907f93ee2bb9a9f759e0d0792b6be71e085db64f43c" => :el_capitan
    sha256 "d653167c1c0b5210469354f6deea64a5351dd816e020a911e3c2769cbe9fa671" => :yosemite
  end

  # Use :python on Lion to avoid urllib3 warning
  # https://github.com/Homebrew/homebrew/pull/37240
  depends_on :python if MacOS.version <= :lion

  def install
    venv = virtualenv_create(libexec)
    system libexec/"bin/pip", "install", "-v", "--no-binary", ":all:",
                              "--ignore-installed", buildpath
    system libexec/"bin/pip", "uninstall", "-y", "awscli"
    venv.pip_install_and_link buildpath
    pkgshare.install "awscli/examples"

    bash_completion.install "bin/aws_bash_completer"
    zsh_completion.install "bin/aws_zsh_completer.sh" => "_aws"
  end

  def caveats; <<-EOS.undent
    The "examples" directory has been installed to:
      #{HOMEBREW_PREFIX}/share/awscli/examples

    Before using aws-cli, you need to tell it about your AWS credentials.
    The quickest way to do this is to run:
      aws configure

    More information:
      https://docs.aws.amazon.com/cli/latest/userguide/cli-chap-getting-started.html
      https://pypi.python.org/pypi/awscli#getting-started
    EOS
  end

  test do
    assert_match "topics", shell_output("#{bin}/aws help")
  end
end