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/1.11.43.tar.gz"
  sha256 "6b0db97d516dc39ee9026afc804662d9c1d372379f9e15fce9eba56cf5be6574"
  head "https://github.com/aws/aws-cli.git", :branch => "develop"

  bottle do
    cellar :any_skip_relocation
    sha256 "8933d13ffaa694d010590756dac702c6a8e41100152a7ed01f0e6d841c26bcff" => :sierra
    sha256 "3cc065b5f5d18c48079a12b43d34320617b406dc5d1b0be7e8aee16a6cf23f5d" => :el_capitan
    sha256 "178e9a7c8c3ad1c87caea348248d4566b219d5d2513943cfe09d3c78f0feb5d7" => :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