class Bundler::Fetcher::AuthenticationRequiredError

def initialize(remote_uri)
  remote_uri = filter_uri(remote_uri)
  super "Authentication is required for #{remote_uri}.\n" \
    "Please supply credentials for this source. You can do this by running:\n" \
    "`bundle config set --global #{remote_uri} username:password`\n" \
    "or by storing the credentials in the `#{Settings.key_for(remote_uri)}` environment variable"
end