Method: Spring::Application#preload

Defined in:
lib/spring/application.rb

#preload ⇒ Object 



73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
 
# File 'lib/spring/application.rb', line 73

def preload
  log "preloading app"

  begin
    require "spring/commands"
  ensure
    start_watcher
  end

  require Spring.application_root_path.join("config", "application")

  # config/environments/test.rb will have config.cache_classes = true. However
  # we want it to be false so that we can reload files. This is a hack to
  # override the effect of config.cache_classes = true. We can then actually
  # set config.cache_classes = false after loading the environment.
  Rails::Application.initializer :initialize_dependency_mechanism, group: :all do
    ActiveSupport::Dependencies.mechanism = :load
  end

  require Spring.application_root_path.join("config", "environment")

  @original_cache_classes = Rails.application.config.cache_classes
  Rails.application.config.cache_classes = false

  disconnect_database

  @preloaded = :success
rescue Exception => e
  @preloaded = :failure
  watcher.add e.backtrace.map { |line| line.match(/^(.*)\:\d+\:in /)[1] }
  raise e unless initialized?
ensure
  watcher.add loaded_application_features
  watcher.add Spring.gemfile, "#{Spring.gemfile}.lock"

  if defined?(Rails) && Rails.application
    watcher.add Rails.application.paths["config/initializers"]
    watcher.add Rails.application.paths["config/database"]
    if secrets_path = Rails.application.paths["config/secrets"]
      watcher.add secrets_path
    end
  end
end