class Thor

def self.spec_task(file_list, opts = {})
  name = opts.delete(:name) || "spec"
  rcov_dir = opts.delete(:rcov_dir) || "coverage"
  file_list = file_list.map {|f| %["#{f}"]}.join(" ")
  verbose = opts.delete(:verbose)
  opts = {:format => "specdoc", :color => true}.merge(opts)
  
  rcov_opts = convert_task_options(opts.delete(:rcov) || {})
  rcov = !rcov_opts.empty?
  options = convert_task_options(opts)
  
  if rcov
    FileUtils.rm_rf(File.join(Dir.pwd, rcov_dir))
  end
  
  desc(name, "spec task")
  define_method(name) do
    cmd = "ruby "
    if rcov
      cmd << "-S rcov -o #{rcov_dir} #{rcov_opts} "
    end
    cmd << `which spec`.chomp
    cmd << " -- " if rcov
    cmd << " "
    cmd << file_list
    cmd << " "
    cmd << options
    puts cmd if verbose
    system(cmd)
    exit($?.exitstatus)
  end
end