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

  desc "Pythonic task management & command execution"
  homepage "http://pyinvoke.org/"
  url "https://github.com/pyinvoke/invoke/archive/0.22.0.tar.gz"
  sha256 "e6e4c14d36b5e83fa01b951911334b561691850269aab3f79249af2b7227efbd"
  head "https://github.com/pyinvoke/invoke.git"

  bottle do
    cellar :any_skip_relocation
    sha256 "d14d91a1823d5733ddfb12983af245f0823aeab1a937f62ca73ba6047dc97478" => :high_sierra
    sha256 "33899411d8a6dca21c72f9f77a7a54291bc0da9001bfd3ced7c51a92649d6d35" => :sierra
    sha256 "469e5c09a730700659b77c38f461339bad4daf2042b273b1a3ea64d78fb5cf68" => :el_capitan
  end

  depends_on :python if MacOS.version <= :snow_leopard

  def install
    virtualenv_install_with_resources
  end

  test do
    (testpath/"tasks.py").write <<~EOS
      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"
    refute_predicate testpath/"foo", :exist?, "\"pyinvoke clean\" should have deleted \"foo\""
    assert_predicate testpath/"baz", :exist?, "pyinvoke should have left \"baz\""
    system bin/"invoke", "clean", "--extra=baz"
    refute_predicate testpath/"foo", :exist?, "\"pyinvoke clean-extra\" should have still deleted \"foo\""
    refute_predicate testpath/"baz", :exist?, "pyinvoke clean-extra should have deleted \"baz\""
  end
end