class Pod::ExternalSources::AbstractExternalSource

def ==(other)
  return false if other.nil?
  name == other.name && params == other.params
end

def description
  raise "Abstract method"
end

def fetch(sandbox)
  raise "Abstract method"
end

def fetch(sandbox)
  raise "Abstract method"
end

def initialize(name, params, podfile_path)
  @name = name
  @params = params
  @podfile_path = podfile_path
end

def pre_download(sandbox)
  UI.titled_section("Pre-downloading: `#{name}` #{description}", { :verbose_prefix => "-> " }) do
    target = sandbox.root + name
    target.rmtree if target.exist?
    downloader = Config.instance.downloader(target, params)
    downloader.download
    store_podspec(sandbox, target + "#{name}.podspec")
    sandbox.store_pre_downloaded_pod(name)
    if downloader.options_specific?
      source = params
    else
      source = downloader.checkout_options
    end
    sandbox.store_checkout_source(name, source)
  end
end

def store_podspec(sandbox, spec)
  sandbox.store_podspec(name, spec, true)
end