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@@ -113,8 +113,10 @@ class RootPackageLoader extends ArrayLoader
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}
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}
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- if (isset($links[$config['name']]))
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- throw new \InvalidArgumentException(sprintf('Root package \'%s\' cannot require itself in its composer.json', $config['name']));
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+ if (isset($links[$config['name']])) {
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+ throw new \InvalidArgumentException(sprintf('Root package \'%s\' cannot require itself in its composer.json' . PHP_EOL .
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+ 'Did you accidentally name your root package after an external package?', $config['name']));
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+ }
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$realPackage->setAliases($aliases);
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$realPackage->setStabilityFlags($stabilityFlags);
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