8000 improved message when alias service is not found · symfony/symfony@3e31fb5 · GitHub
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improved message when alias service is not found
When using the YAML config format, it can be confusing that you need to prefix the aliased service id with an `@` character when passing it as a string, but that you have to omit it when using the `alias` attribute: ```yaml foo: '@app\Foo' foo: alias: 'App\Foo' ``` This commit will enhance the generated error message in cases where the aliased service id is prefixed with the `@` character in the `alias` option like this: ```yaml foo: alias: '@app\Foo' ```
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2 files changed

+18
-2
lines changed

2 files changed

+18
-2
lines changed

‎src/Symfony/Bundle/FrameworkBundle/Command/ContainerDebugCommand.php

Lines changed: 11 additions & 1 deletion
Original file line numberDiff line numberDiff line change
@@ -22,6 +22,7 @@
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use Symfony\Component\Console\Output\OutputInterface;
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use Symfony\Component\Console\Style\SymfonyStyle;
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use Symfony\Component\DependencyInjection\ContainerBuilder;
25+
use Symfony\Component\DependencyInjection\Exception\ServiceNotFoundException;
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use Symfony\Component\DependencyInjection\Loader\XmlFileLoader;
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use Symfony\Component\DependencyInjection\ParameterBag\ParameterBag;
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@@ -144,7 +145,16 @@ protected function execute(InputInterface $input, OutputInterface $output)
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$options['show_hidden'] = $input->getOption('show-hidden');
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$options['raw_text'] = $input->getOption('raw');
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$options['output'] = $io;
147-
$helper->describe($io, $object, $options);
148+
149+
try {
150+
$helper->describe($io, $object, $options);
151+
} catch (ServiceNotFoundException $e) {
152+
if ('' !== $e->getId() && '@' === $e->getId()) {
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throw new ServiceNotFoundException($e->getId(), $e->getSourceId(), null, array(substr($targetId, 1)));
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}
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throw $e;
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}
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if (!$input->getArgument('name') && !$input->getOption('tag') && !$input->getOption('parameter') && $input->isInteractive()) {
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if ($input->getOption('tags')) {

‎src/Symfony/Component/DependencyInjection/Compiler/ReplaceAliasByActualDefinitionPass.php

Lines changed: 7 additions & 1 deletion
Original file line numberDiff line numberDiff line change
@@ -54,7 +54,13 @@ public function process(ContainerBuilder $container)
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try {
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$definition = $container->getDefinition($targetId);
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} catch (InvalidArgumentException $e) {
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throw new InvalidArgumentException(sprintf('Unable to replace alias "%s" with actual definition "%s".', $definitionId, $targetId), null, $e);
57+
$message = sprintf('Unable to replace alias "%s" with actual definition "%s".', $definitionId, $targetId);
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if ('' !== $targetId && '@' === $targetId[0]) {
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$message .= sprintf(' Did you mean "%s"?', substr($targetId, 1));
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}
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throw new InvalidArgumentException($message, null, $e);
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}
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if ($definition->isPublic()) {
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continue;

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