gistfile1.txt

% vagrant provision
The following berks command failed to execute:

    /Users/nickcharlton/.gem/ruby/2.2.2/bin/berks --version --format json

The stdout and stderr are shown below:

    stdout:
    stderr: /Users/nickcharlton/.rubies/ruby-2.2.2/lib/ruby/2.2.0/rubygems/dependency.rb:315:in `to_specs': Could not find 'berkshelf' (>= 0) among 84 total gem(s) (Gem::LoadError)
Checked in 'GEM_PATH=/Users/nickcharlton/.vagrant.d/gems:/opt/vagrant/bin/../embedded/gems', execute `gem env` for more information
	from /Users/nickcharlton/.rubies/ruby-2.2.2/lib/ruby/2.2.0/rubygems/dependency.rb:324:in `to_spec'
	from /Users/nickcharlton/.rubies/ruby-2.2.2/lib/ruby/2.2.0/rubygems/core_ext/kernel_gem.rb:64:in `gem'
	from /Users/nickcharlton/.gem/ruby/2.2.2/bin/berks:22:in `<main>'


It appears that you are not using the ChefDK. Please note that Vagrant Berkshelf
works best when used with the ChefDK, and other installation methods are not
officially supported.

Please download and install the latest version of the ChefDK from:

    https://downloads.chef.io/chef-dk

and follow the installation instructions. Do not forget to add the ChefDK to
your PATH.