class Bundler::Source

def self.mirror_for(uri)
  uri = URI(uri.to_s) unless uri.is_a?(URI)
  # Settings keys are all downcased
  mirrors = Bundler.settings.gem_mirrors
  normalized_key = URI(uri.to_s.downcase)
  mirrors[normalized_key] || uri
end

def version_message(spec)
  locked_spec = Bundler.locked_gems.specs.find { |s| s.name == spec.name } if Bundler.locked_gems
  locked_spec_version = locked_spec.version if locked_spec
  message = "#{spec.name} #{spec.version}"
  if locked_spec_version && spec.version != locked_spec_version
    message << " (was #{locked_spec_version})"
  end
  message
end