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Merge pull request #22709 from jonatack/clarify-explanation-for-new-config-halt-callback-chains

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Clarify config settings for AS::halt_callback_chains_on_return_false
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Rafael França 2015-12-21 23:32:21 -02:00
commit e4e9d91097
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guides/source/configuring.md
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@ -545,7 +545,7 @@ There are a few configuration options available in Active Support:
* `config.active_support.time_precision` sets the precision of JSON encoded time values. Defaults to `3`.
* `ActiveSupport.halt_callback_chains_on_return_false` specifies whether Active Record and Active Model callback chains can be halted by returning `false` in a 'before' callback. Defaults to `true`.
* `ActiveSupport.halt_callback_chains_on_return_false` specifies whether Active Record and Active Model callback chains can be halted by returning `false` in a 'before' callback. When set to `false`, callback chains are halted only when explicitly done so with `throw(:abort)`. When set to `true`, callback chains are halted when a callback returns false (the previous behavior before Rails 5) and a deprecation warning is given. Defaults to `true` during the deprecation period. New Rails 5 apps generate an initializer file called `callback_terminator.rb` which sets the value to `false`. This file is *not* added when running `rake rails:update`, so returning `false` will still work on older apps ported to Rails 5 and display a deprecation warning to prompt users to update their code.
* `ActiveSupport::Logger.silencer` is set to `false` to disable the ability to silence logging in a block. The default is `true`.