[Filesystem Component] mkdir race condition fix #11626
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@ -78,7 +78,14 @@ class Filesystem
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}
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if (true !== @mkdir($dir, $mode, true)) {
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if (true !== @mkdir($dir, $mode, true)) {
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throw new IOException(sprintf('Failed to create %s', $dir));
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$error = error_get_last();
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if (!is_dir($dir)) {
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// The directory was not created by a concurrent process. Let's throw an exception with a developer friendly error message if we have one
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if ($error) {
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throw new IOException(sprintf('Failed to create "%s": %s.', $dir, $error['message']));
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}
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throw new IOException(sprintf('Failed to create "%s"', $dir));
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}
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}
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}
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}
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}
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}
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}
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