require 'jekyll'

def config_file
  File.expand_path "./_config.yml", source
end

def source
  File.expand_path("../", File.dirname(__FILE__))
end

def config
  config = Jekyll::Configuration.new.read_config_file config_file
  config = Jekyll::Utils.deep_merge_hashes(config, {:source => source})
  Jekyll::Utils.deep_merge_hashes(Jekyll::Configuration::DEFAULTS, config)
end

def licenses
  site.collections["licenses"].docs.map { |l| l.data }
end

def site
  $site ||= begin
    site = Jekyll::Site.new(config)
    site.reset
    site.read
    site
  end
end

def rules
  site.data["rules"]
end

def rule?(tag, group)
  rules[group].any? { |r| r["tag"] == tag }
end