cask :v1 => 'linphone' do
  version '3.8.5'
  sha256 '250d6b0b8ca3fd5029185b479199ae47b5d8c57062007a2bbb864ca63034a5de'

  # gnu.org is the official download host per the vendor homepage
  url "http://download-mirror.savannah.gnu.org/releases/linphone/#{version.sub(%r{\d+$},'')}x/macos/linphone-#{version}.pkg"
  gpg "#{url}.sig",
      :key_id => '3ecd52dee2f56985'
  name 'Linphone'
  homepage 'https://www.linphone.org/'
  license :gpl

  container :type => :xar

  preflight do
    system '/usr/bin/tar', '-xf', "#{staged_path}/linphone.pkg/Payload", '-C', staged_path
  end

  postflight do
    system 'rm', '-rf', "#{staged_path}/linphone.pkg"
    system 'rm', '-f', "#{staged_path}/Distribution"
  end

  app 'Linphone.app'
end