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

  desc "Pythonic task management & command execution"
  homepage "http://pyinvoke.org/"
  url "https://github.com/pyinvoke/invoke/archive/0.13.0.tar.gz"
  sha256 "4942aa901618f99afa70271d7b15fd018da0f174178fbca4048354c785e7736a"
  head "https://github.com/pyinvoke/invoke.git"

  bottle do
    cellar :any_skip_relocation
    sha256 "20200d261ced810ae859c7408879d6c3fb92480beb06fd999e38ad59e68fac87" => :sierra
    sha256 "2ee953c615f8a7b3fb885e4541387e86e056a4c459943b3d1f34f29f8f915aee" => :el_capitan
    sha256 "a58ca03819c67a1cf734f0afce0b5c4b161b25ac7a069b7e501ef9ba6facd42b" => :yosemite
  end

  depends_on :python if MacOS.version <= :snow_leopard

  def install
    virtualenv_install_with_resources
  end

  test do
    (testpath/"tasks.py").write <<-EOS.undent
      from invoke import run, task

      @task
      def clean(ctx, extra=''):
          patterns = ['foo']
          if extra:
              patterns.append(extra)
          for pattern in patterns:
              run("rm -rf {}".format(pattern))
    EOS
    (testpath/"foo"/"bar").mkpath
    (testpath/"baz").mkpath
    system bin/"invoke", "clean"
    assert !File.exist?(testpath/"foo"), "\"pyinvoke clean\" should have deleted \"foo\""
    assert File.exist?(testpath/"baz"), "pyinvoke should have left \"baz\""
    system bin/"invoke", "clean", "--extra=baz"
    assert !File.exist?(testpath/"foo"), "\"pyinvoke clean-extra\" should have still deleted \"foo\""
    assert !File.exist?(testpath/"baz"), "pyinvoke clean-extra should have deleted \"baz\""
  end
end