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[Console] Fix ConsoleEvents::SIGNAL subscriber dispatch #45333

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Merged
merged 1 commit into from
Aug 2, 2022
Merged

[Console] Fix ConsoleEvents::SIGNAL subscriber dispatch #45333

merged 1 commit into from
Aug 2, 2022

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GwendolenLynch
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Q A
Branch? 5.4
Bug fix? yes
New feature? no
Deprecations? no
Tickets Fix #45332
License MIT

@carsonbot carsonbot added this to the 5.4 milestone Feb 7, 2022
@derrabus
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derrabus commented Feb 9, 2022

Thank you for your PR! Can you please add a test hat covers your change?

@GwendolenLynch
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GwendolenLynch commented Feb 9, 2022 •
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Added @derrabus. The act of writing the tests showed up some missing bits, so thank you for the nudge.

Changed

  • Move extracted code back into method and change some of the selection logic.
  • For tests, use SIGUSRx instead of SIGALRM as the later will cause an exit when there are no more listeners, and we only need to test that the signal was processed by the listener.

Please let me know what changes you'd like made.

@GwendolenLynch GwendolenLynch force-pushed the command-signals branch 2 times, most recently from 44c9186 to 0b7cd1d Compare February 9, 2022 20:46
lyrixx
lyrixx approved these changes Aug 1, 2022
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All good 👍🏼

@nicolas-grekas
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Thank you @GwendolenLynch.

@nicolas-grekas nicolas-grekas merged commit db7c211 into symfony:5.4 Aug 2, 2022
@GwendolenLynch GwendolenLynch deleted the command-signals branch August 2, 2022 10:19
helhum
helhum reviewed Aug 5, 2022
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src/Symfony/Component/Console/Application.php
}
if ($this->signalsToDispatchEvent) {
$commandSignals = $command instanceof SignalableCommandInterface ? $command->getSubscribedSignals() : [];
$dispatchSignals = $this->dispatcher && $this->dispatcher->hasListeners(ConsoleEvents::SIGNAL);
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$this->dispatcher is typed to be a \Symfony\Contracts\EventDispatcher\EventDispatcherInterface, but hasListeners is not part of that contract.

This leads to our package breaking with the current branch version (5.4.x-dev in our case), since it does not fulfill the \Symfony\Component\EventDispatcher\EventDispatcherInterface

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helhum commented Aug 5, 2022

@GwendolenLynch @nicolas-grekas I added a comment regarding using hasListeners. Not sure if this was an intentional change, but wanted to let you know, that it breaks our package, that implements an event dispatcher that fulfills the PSR and SF contract interfaces.

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This should be fixed. Up for a PR?

@xabbuh xabbuh mentioned this pull request Aug 8, 2022
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fabpot added a commit that referenced this pull request Aug 9, 2022
@fabpot
bug #47218 [Console] fix dispatch signal event check for compatibilit…
458b294 
…y with the contract interface (xabbuh)

This PR was merged into the 5.4 branch.

Discussion
----------

[Console] fix dispatch signal event check for compatibility with the contract interface

| Q             | A
| ------------- | ---
| Branch?       | 5.4
| Bug fix?      | yes
| New feature?  | no
| Deprecations? | no
| Tickets       | Fix #45333 (comment)
| License       | MIT
| Doc PR        |

Commits
-------

6b29591 fix dispatch signal event check for compatibility with the contract interface
This was referenced Aug 26, 2022
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@fabpot fabpot mentioned this pull request Sep 30, 2022
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@GromNaN GromNaN mentioned this pull request Nov 12, 2022
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GromNaN
GromNaN reviewed Nov 13, 2022
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src/Symfony/Component/Console/Application.php
}
}

foreach ($commandSignals as $signal) {
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Is there any specific reason why the order of registration of signal handlers have been modified? This caused an issue #48205 (comment)

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I can't remember my approach/reason at the time, but the test added in this PR should cover the use-case problem I had.

Your fix #48210 is most probably correct.

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Thanks you for reviewing.

@benmeynell benmeynell mentioned this pull request Jun 29, 2023
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@nicolas-grekas nicolas-grekas nicolas-grekas approved these changes

@lyrixx lyrixx lyrixx approved these changes

@chalasr chalasr Awaiting requested review from chalasr chalasr is a code owner

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@GwendolenLynch @derrabus @nicolas-grekas @helhum @fabpot @GromNaN @lyrixx @carsonbot