Method: RGen::Util::FileCacheMap#clean_unused

Defined in:
lib/rgen/util/file_cache_map.rb

#clean_unused(root_path, key_paths) ⇒ Object

remove cache files which are not associated with any file in key_paths will only remove files within root_path



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# File 'lib/rgen/util/file_cache_map.rb', line 80

def clean_unused(root_path, key_paths)
  raise "key paths must be within root path" unless key_paths.all?{|p| p.index(root_path) == 0}
  used_files = key_paths.collect{|p| cache_file(p)}
  files = Dir[root_path+"/**/"+@cache_dir+"/*"+@postfix] 
  files.each do |f|
    FileUtils.rm(f) unless used_files.include?(f)
  end
end