class RuboCop::RemoteConfig
Common methods and behaviors for dealing with remote config files.
Constants
- CACHE_LIFETIME
Attributes
uri[R]
Public Class Methods
new(url, base_dir)
click to toggle source
# File lib/rubocop/remote_config.rb, line 12 def initialize(url, base_dir) @uri = URI.parse(url) @base_dir = base_dir end
Public Instance Methods
file()
click to toggle source
# File lib/rubocop/remote_config.rb, line 17 def file return cache_path unless cache_path_expired? request do |response| next if response.is_a?(Net::HTTPNotModified) next if response.is_a?(SocketError) open cache_path, 'w' do |io| io.write response.body end end cache_path end
inherit_from_remote(file, path)
click to toggle source
# File lib/rubocop/remote_config.rb, line 31 def inherit_from_remote(file, path) new_uri = @uri.dup new_uri.path.gsub!(%r{/[^/]*$}, "/#{file}") RemoteConfig.new(new_uri.to_s, File.dirname(path)) end
Private Instance Methods
cache_name_from_uri()
click to toggle source
# File lib/rubocop/remote_config.rb, line 83 def cache_name_from_uri uri = @uri.clone uri.query = nil uri.to_s.gsub!(/[^0-9A-Za-z]/, '-') end
cache_path()
click to toggle source
# File lib/rubocop/remote_config.rb, line 66 def cache_path File.expand_path(".rubocop-#{cache_name_from_uri}", @base_dir) end
cache_path_exists?()
click to toggle source
# File lib/rubocop/remote_config.rb, line 70 def cache_path_exists? @cache_path_exists ||= File.exist?(cache_path) end
cache_path_expired?()
click to toggle source
# File lib/rubocop/remote_config.rb, line 74 def cache_path_expired? return true unless cache_path_exists? @cache_path_expired ||= begin file_age = (Time.now - File.stat(cache_path).mtime).to_f (file_age / CACHE_LIFETIME) > 1 end end
handle_response(response, limit) { |response| ... }
click to toggle source
# File lib/rubocop/remote_config.rb, line 55 def handle_response(response, limit, &block) case response when Net::HTTPSuccess, Net::HTTPNotModified, SocketError yield response when Net::HTTPRedirection request(URI.parse(response['location']), limit - 1, &block) else response.error! end end
request(uri = @uri, limit = 10, &block)
click to toggle source
# File lib/rubocop/remote_config.rb, line 39 def request(uri = @uri, limit = 10, &block) raise ArgumentError, 'HTTP redirect too deep' if limit.zero? http = Net::HTTP.new(uri.hostname, uri.port) http.use_ssl = true if uri.instance_of? URI::HTTPS request = Net::HTTP::Get.new(uri.request_uri) if cache_path_exists? request['If-Modified-Since'] = File.stat(cache_path).mtime.rfc2822 end handle_response(http.request(request), limit, &block) rescue SocketError => err handle_response(err, limit, &block) end