class Pius < Formula
  desc "PGP individual UID signer"
  homepage "https://www.phildev.net/pius/"
  url "https://github.com/jaymzh/pius/archive/v2.2.1.tar.gz"
  sha256 "6fe25dccc12045a81d1120935b936ab276ff976ed676676429d75a3df7ccfc33"
  head "https://github.com/jaymzh/pius.git"

  bottle do
    cellar :any_skip_relocation
    sha256 "2b54ff0c3c8890df19a1782133b63f2a87965490e02304af3fad004739b04eef" => :el_capitan
    sha256 "f0738360ddf359ddb05760c458f7c1404a7de52ce8a74ae28b95faf9ab95f5dc" => :yosemite
    sha256 "9daed43891662fb808e521e5e20f8db46c8f93f49ec6aabb87892148258a2bcf" => :mavericks
  end

  depends_on :gpg

  def install
    ENV.prepend_create_path "PYTHONPATH", libexec/"lib/python2.7/site-packages"
    # Replace hardcoded gpg path (WONTFIX):
    # https://sourceforge.net/p/pgpius/bugs/12/
    # According to the author, the next version of pius should ONLY support gpg2
    # at which point we should change this to point to gpg2.  See discussion at:
    # https://github.com/Homebrew/homebrew/pull/44756/files#r41721585
    inreplace "libpius/constants.py", %r{/usr/bin/gpg2?}, "#{HOMEBREW_PREFIX}/bin/gpg"
    system "python", *Language::Python.setup_install_args(libexec)
    bin.install Dir["#{libexec}/bin/*"]
    bin.env_script_all_files(libexec/"bin", :PYTHONPATH => ENV["PYTHONPATH"])
  end

  def caveats; <<-EOS.undent
    The path to gpg is hardcoded in pius as #{HOMEBREW_PREFIX}/bin/gpg.
    You can specify a different path by editing ~/.pius:
      gpg-path=/path/to/gpg
    EOS
  end

  test do
    system "#{bin}/pius", "-T"
  end
end