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

  desc "Pythonic task management & command execution"
  homepage "http://pyinvoke.org/"
  url "https://github.com/pyinvoke/invoke/archive/0.16.3.tar.gz"
  sha256 "7230458748de9e8d34f76cf2e9d50b4265cade41d98464c5aefb2c436f9e94c2"
  head "https://github.com/pyinvoke/invoke.git"

  bottle do
    cellar :any_skip_relocation
    sha256 "d5e63fd3622c6f0b3a7b4f19107c6e708fd590a8f4a02c602cd6bc547095a641" => :sierra
    sha256 "ffedb8ab8c77b86abcf60692096de92c6e01412cb0ba17dd2ca34f1efb4eea99" => :el_capitan
    sha256 "6cbca8bb9dedc851384955969e008b35861089b55e191587205d759eb850e2b0" => :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