brew/Library/Homebrew/cask/lib/hbc/source/uri.rb

module Hbc
  module Source
    class URI
      def self.me?(query)
        !(query.to_s =~ ::URI.regexp).nil?
      end

      attr_reader :uri

      def initialize(uri)
        @uri = uri
      end

      def load
        Hbc.cache.mkpath
        path = Hbc.cache.join(File.basename(uri))
        ohai "Downloading #{uri}"
        odebug "Download target -> #{path}"
        begin
          curl(uri, "-o", path.to_s)
        rescue ErrorDuringExecution
          raise CaskUnavailableError, uri
        end
        PathSlashOptional.new(path).load
      end

      def to_s
        uri.to_s
      end
    end
  end
end