diff options
Diffstat (limited to 'activesupport/lib/active_support/file_update_checker.rb')
| -rw-r--r-- | activesupport/lib/active_support/file_update_checker.rb | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/activesupport/lib/active_support/file_update_checker.rb b/activesupport/lib/active_support/file_update_checker.rb index 2dbbfadac1..1af18541e3 100644 --- a/activesupport/lib/active_support/file_update_checker.rb +++ b/activesupport/lib/active_support/file_update_checker.rb @@ -74,7 +74,11 @@ module ActiveSupport def execute @last_watched = watched @last_update_at = updated_at(@last_watched) - @block.call + if @block.nil? + raise ArgumentError, "no block given: #{self.inspect}, please pass a block when you initialize #{self.class}" + else + @block.call + end ensure @watched = nil @updated_at = nil |