module Rake::Cleaner

def cant_be_deleted?(path_name)
  File.exist?(path_name) &&
    (!File.readable?(path_name) || !File.executable?(path_name))
end

def cleanup(file_name, **opts)
  begin
    opts = { verbose: Rake.application.options.trace }.merge(opts)
    rm_r file_name, **opts
  rescue StandardError => ex
    puts "Failed to remove #{file_name}: #{ex}" unless file_already_gone?(file_name)
  end
end

def cleanup_files(file_names)
  file_names.each do |file_name|
    cleanup(file_name)
  end
end

def file_already_gone?(file_name)
  return false if File.exist?(file_name)
  path = file_name
  prev = nil
  while path = File.dirname(path)
    return false if cant_be_deleted?(path)
    break if [prev, "."].include?(path)
    prev = path
  end
  true
end