diff options
Diffstat (limited to 'activesupport/lib/active_support')
-rw-r--r-- | activesupport/lib/active_support/dependencies.rb | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/activesupport/lib/active_support/dependencies.rb b/activesupport/lib/active_support/dependencies.rb index e6170b2daf..4bd97d3ee3 100644 --- a/activesupport/lib/active_support/dependencies.rb +++ b/activesupport/lib/active_support/dependencies.rb @@ -511,7 +511,12 @@ module ActiveSupport #:nodoc: end # Remove the constants that have been autoloaded, and those that have been - # marked for unloading. + # marked for unloading. Before each constant is removed a callback is sent + # to its class/module if it implements +before_remove_const+. + # + # The callback implementation should be restricted to cleaning up caches, etc. + # as the enviroment will be in an inconsistent state, e.g. other constants + # may have already been unloaded and not accessible. def remove_unloadable_constants! autoloaded_constants.each { |const| remove_constant const } autoloaded_constants.clear @@ -636,6 +641,7 @@ module ActiveSupport #:nodoc: parent = Inflector.constantize(names * '::') log "removing constant #{const}" + constantize(const).before_remove_const if constantize(const).respond_to?(:before_remove_const) parent.instance_eval { remove_const to_remove } return true |