class Sprockets::Cache::FileStore

def find_caches

mtime.
Returns an Array of [String filename, File::Stat] pairs sorted by

Internal: Get all cache files along with stats. 
def find_caches
  Dir.glob(File.join(@root, '**/*.cache')).reduce([]) { |stats, filename|
    stat = safe_stat(filename)
    # stat maybe nil if file was removed between the time we called
    # dir.glob and the next stat
    stats << [filename, stat] if stat
    stats
  }.sort_by { |_, stat| stat.mtime.to_i }
end