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

  desc "Pythonic task management & command execution"
  homepage "http://pyinvoke.org/"
  url "https://github.com/pyinvoke/invoke/archive/0.18.1.tar.gz"
  sha256 "c3f19091e28a80a408b216c79785164112c18a2b344d9f053001260a0c619884"
  head "https://github.com/pyinvoke/invoke.git"

  bottle do
    cellar :any_skip_relocation
    sha256 "06f7ea186f65f281c78c577b60669543db2a63f3c50ec998397daba9f5f0041c" => :sierra
    sha256 "250e68a6998766b78fd37061f5fb6501429a3fb7f02ee18d5ab4d9ecdecd89e4" => :el_capitan
    sha256 "dc6c25d511f7bbc446a2374d797458d5c2a7360e072547e303c535716e82396b" => :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