A backend for the Sass cache using the filesystem.
@param cache_location [String] see {#cache_location}
# File lib/sass/cache_stores/filesystem.rb, line 13 def initialize(cache_location) @cache_location = cache_location end
@see Base#_retrieve
# File lib/sass/cache_stores/filesystem.rb, line 18 def _retrieve(key, version, sha) return unless File.readable?(path_to(key)) contents = nil File.open(path_to(key), "rb") do |f| if f.readline("\n").strip == version && f.readline("\n").strip == sha return f.read end end File.unlink path_to(key) nil rescue EOFError, TypeError, ArgumentError => e Sass::Util.sass_warn "Warning. Error encountered while reading cache #{path_to(key)}: #{e}" end
@see Base#_store
# File lib/sass/cache_stores/filesystem.rb, line 33 def _store(key, version, sha, contents) # return unless File.writable?(File.dirname(@cache_location)) # return if File.exists?(@cache_location) && !File.writable?(@cache_location) compiled_filename = path_to(key) # return if File.exists?(File.dirname(compiled_filename)) && !File.writable?(File.dirname(compiled_filename)) # return if File.exists?(compiled_filename) && !File.writable?(compiled_filename) FileUtils.mkdir_p(File.dirname(compiled_filename)) File.open(compiled_filename, "wb") do |f| f.puts(version) f.puts(sha) f.write(contents) end rescue Errno::EACCES #pass end
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