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

  desc "Pythonic task management & command execution"
  homepage "http://pyinvoke.org/"
  url "https://github.com/pyinvoke/invoke/archive/0.21.0.tar.gz"
  sha256 "ca2fcc56e5abdb9e56c9c5222786356a825a2b552e0137dd06184c54ce9a1cde"
  head "https://github.com/pyinvoke/invoke.git"

  bottle do
    cellar :any_skip_relocation
    sha256 "0c84ab7223729c95b9303512e08b0e7a2a06b6cc4d3039dbd222b5080af98dae" => :high_sierra
    sha256 "d11aae306e1a7482f80ab57c8bb4f2a4c9f3e040e6fad835a2d171fb00ab7a14" => :sierra
    sha256 "29ac1318559e47eb5d9b3e09237514bdb51d6e33ea43ea11e442e678de1c1a10" => :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.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"
    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
