[DependencyInjection] Add a mechanism to deprecate public services to private #36470
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fancyweb
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src/Symfony/Bundle/FrameworkBundle/DependencyInjection/Compiler/UnusedTagsPass.php
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yceruto
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nicolas-grekas
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Thank you @fancyweb. |
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… private container to remove false-positive deprecations (nicolas-grekas) This PR was merged into the 5.1 branch. Discussion ---------- [FrameworkBundle] acces public-deprecated services via the private container to remove false-positive deprecations | Q | A | ------------- | --- | Branch? | 5.1 | Bug fix? | yes | New feature? | no | Deprecations? | no | Tickets | - | License | MIT | Doc PR | - Something we missed in #36470 apparently. Commits ------- d502ba9 [FrameworkBundle] acces public-deprecated services via the private container to remove false-positive deprecations
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This PR adds a mechanism to easily deprecate public services to private, ie a public service will be private in a next version.
It works with a tag and a compiler pass. The pass creates a deprecated public alias of the public service.
It is ran "after removing" because we want to trigger only on direct accesses to the public service (
$container->get()): if the public service was removed, we don't need to do anything because there is no impact.All references to the public service are kept because the deprecated public alias is created afterResolveReferencesToAliasesPassso only direct access actually uses the deprecated alias.All references to the public service are altered to a direct reference to the alias target service so that they don't trigger the alias deprecation.
Thanks to @nicolas-grekas for sharing some ideas and helping me !