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def remove_constant(const, base = nil) parts = const.to_s.split("::") base ||= parts.size == 1 ? Object : parts[0..-2].join("::").to_const object = parts[-1].intern puts "Removing #{const} -- #{object} from #{base}" base.send(:remove_const, object) end def reload return unless @@merb_opts[:reloader] == true # First we collect all files in the project (this will also grab newly added files) project_files = MERB_PATHS.map { |path| Dir[MERB_ROOT + path] }.flatten.uniq project_mtime = max_mtime project_files # Latest changed time of all project files return unless @mtime < project_mtime # Only continue if a file has changed project_files.each do |file| if max_mtime(file.to_a) >= @mtime # If the file has changed or been added since the last project reload time # remove any cannonical constants, based on what type of project file it is constant = file =~ /\/(controllers|models|mailers|helpers|parts)\/(.*).rb/ ? $2.to_const_string : nil remove_constant($2.to_const_string, ($1 == "helpers") ? Merb : nil) load file and puts "loaded file: #{file}" end end @mtime = project_mtime # As the last action, update the current @mtime end

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