Class: ManifestDestiny

Inherits:
Object
  • Object
show all
Defined in:
lib/manifest-destiny.rb

Defined Under Namespace

Modules: Rails Classes: Config

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(options = {}, &block) ⇒ ManifestDestiny

Returns a new instance of ManifestDestiny.



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# File 'lib/manifest-destiny.rb', line 81

def initialize(options = {}, &block)
  @cache = options[:cache]
  @root = Pathname.new(options[:root] || Dir.pwd)
  
  if block_given?
    @config = Config.new(@root, &block)
  end
end

Class Method Details

.configure(*args, &block) ⇒ Object 



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# File 'lib/manifest-destiny.rb', line 77

def self.configure(*args, &block)
  new(*args, &block)
end

Instance Method Details

#to_s ⇒ Object 



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# File 'lib/manifest-destiny.rb', line 90

def to_s
  body = ["CACHE MANIFEST"]

  # Generate sha hash of cache and watch files
  hash = (@config.cache + @config.watch).map do |item|
    if (item =~ /:\/\//)
      Digest::SHA2.hexdigest(item)
    else
      begin
        path = File.new(File.join(@root, item))
        Digest::SHA2.hexdigest(path.read) if ::File.file?(path)
      rescue
        $stderr.puts "Couldn't find file #{File.join(@root, item)}, not adding to cache hash"
        nil
      end
    end
  end
  body << "# #{Digest::SHA2.hexdigest(hash.compact.join)}"

  unless @config.cache.empty?
    body << "" << "CACHE:"
    body.concat @config.cache.uniq
  end

  unless @config.network.empty?
    body << "" << "NETWORK:"
    body.concat @config.network.uniq
  end

  unless @config.fallback.empty?
    body << "" << "FALLBACK:"
    @config.fallback.each do |namespace, url|
      body << "#{namespace} #{URI.escape(url.to_s)}"
    end
  end
  
  return body.join("\n")
end