clintoncwolfe/vagrant-cookbook-fetcher — pull request #4 by mivok (2014-01-19 19:16:48+00:00)
Title: Disable plugin if a URL isn't specified

Rather than throw an error, this change disables vagrant-cookbook-fetcher.
Without this, any Vagrantfile that doesn't use vagrant-cookbook-fetcher will
throw an error, preventing you from using vagrant without configuring this
plugin.