transforms `Berksfile.lock`ed dependencies to `metadata.rb` depends statements

lock_deps_in_metadata.rb

#!/bin/ruby

require 'json'

# parse locked dependencies
json = JSON.parse(`berks list -F json`)
# transform them to metadata.rb format
deps = json['cookbooks'].map { |cb| %Q(depends "#{cb['name']}", "#{cb['version']}") }

# output for copy/paste to metadata
puts ""
puts "copy/paste this into your `metadata.rb`:"
puts ""
puts deps.join("\n")