gistfile1.txt

files_sorted_by_time = Dir["#{node[:drupal][:server][:base]}/#{site_name}/releases/*"].sort_by{ |f| File.mtime(f) }
previous_release = files_sorted_by_time.length > 1 ? files_sorted_by_time[1] : files_sorted_by_time[0]

command <<-EOF
  cp #{files_sorted_by_time[file_index]}/#{site[:settings]} #{release_path}/#{site[:settings]}
  EOF
only_if { ::File.exists?("#{files_sorted_by_time[-2]}/#{site[:settings]}") }