diff options
Diffstat (limited to 'activesupport/lib/active_support/cache/file_store.rb')
| -rw-r--r-- | activesupport/lib/active_support/cache/file_store.rb | 44 |
1 files changed, 22 insertions, 22 deletions
diff --git a/activesupport/lib/active_support/cache/file_store.rb b/activesupport/lib/active_support/cache/file_store.rb index a0f44aac0f..f43894a1ea 100644 --- a/activesupport/lib/active_support/cache/file_store.rb +++ b/activesupport/lib/active_support/cache/file_store.rb @@ -18,7 +18,6 @@ module ActiveSupport DIR_FORMATTER = "%03X" FILENAME_MAX_SIZE = 228 # max filename size on file system is 255, minus room for timestamp and random characters appended by Tempfile (used by atomic write) FILEPATH_MAX_SIZE = 900 # max is 1024, plus some room - EXCLUDED_DIRS = [".", ".."].freeze GITKEEP_FILES = [".gitkeep", ".keep"].freeze def initialize(cache_path, options = nil) @@ -26,11 +25,16 @@ module ActiveSupport @cache_path = cache_path.to_s end + # Advertise cache versioning support. + def self.supports_cache_versioning? + true + end + # Deletes all items from the cache. In this case it deletes all the entries in the specified # file store directory except for .keep or .gitkeep. Be careful which directory is specified in your # config file when using +FileStore+ because everything in that directory will be deleted. def clear(options = nil) - root_dirs = exclude_from(cache_path, EXCLUDED_DIRS + GITKEEP_FILES) + root_dirs = (Dir.children(cache_path) - GITKEEP_FILES) FileUtils.rm_r(root_dirs.collect { |f| File.join(cache_path, f) }) rescue Errno::ENOENT end @@ -103,12 +107,10 @@ module ActiveSupport def lock_file(file_name, &block) if File.exist?(file_name) File.open(file_name, "r+") do |f| - begin - f.flock File::LOCK_EX - yield - ensure - f.flock File::LOCK_UN - end + f.flock File::LOCK_EX + yield + ensure + f.flock File::LOCK_UN end else yield @@ -127,15 +129,19 @@ module ActiveSupport hash = Zlib.adler32(fname) hash, dir_1 = hash.divmod(0x1000) dir_2 = hash.modulo(0x1000) - fname_paths = [] # Make sure file name doesn't exceed file system limits. - begin - fname_paths << fname[0, FILENAME_MAX_SIZE] - fname = fname[FILENAME_MAX_SIZE..-1] - end until fname.blank? + if fname.length < FILENAME_MAX_SIZE + fname_paths = fname + else + fname_paths = [] + begin + fname_paths << fname[0, FILENAME_MAX_SIZE] + fname = fname[FILENAME_MAX_SIZE..-1] + end until fname.blank? + end - File.join(cache_path, DIR_FORMATTER % dir_1, DIR_FORMATTER % dir_2, *fname_paths) + File.join(cache_path, DIR_FORMATTER % dir_1, DIR_FORMATTER % dir_2, fname_paths) end # Translate a file path into a key. @@ -147,7 +153,7 @@ module ActiveSupport # Delete empty directories in the cache. def delete_empty_directories(dir) return if File.realpath(dir) == File.realpath(cache_path) - if exclude_from(dir, EXCLUDED_DIRS).empty? + if Dir.children(dir).empty? Dir.delete(dir) rescue nil delete_empty_directories(File.dirname(dir)) end @@ -160,8 +166,7 @@ module ActiveSupport def search_dir(dir, &callback) return if !File.exist?(dir) - Dir.foreach(dir) do |d| - next if EXCLUDED_DIRS.include?(d) + Dir.each_child(dir) do |d| name = File.join(dir, d) if File.directory?(name) search_dir(name, &callback) @@ -186,11 +191,6 @@ module ActiveSupport end end end - - # Exclude entries from source directory - def exclude_from(source, excludes) - Dir.entries(source).reject { |f| excludes.include?(f) } - end end end end |