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<?php |
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namespace Storeman\Cli\Command; |
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use Storeman\Cli\Helper\DisplayIndexComparisonHelper; |
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use Storeman\ConflictHandler\PreferLocalConflictHandler; |
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use Storeman\Index\Index; |
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use Storeman\Storeman; |
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use Symfony\Component\Console\Input\InputArgument; |
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use Symfony\Component\Console\Input\InputInterface; |
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use Symfony\Component\Console\Output\OutputInterface; |
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/** |
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* The DiffCommand can be used to display the difference of two different states |
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*/ |
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class DiffCommand extends AbstractCommand |
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{ |
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protected function configure() |
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{ |
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parent::configure(); |
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$this->setName('diff'); |
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$this->setDescription('Displays the difference of a revision and another revision or the current local state.'); |
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$this->addArgument('revision', InputArgument::OPTIONAL, 'Revision for comparison. Defaults to the last revision.'); |
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$this->addArgument('compareTo', InputArgument::OPTIONAL, 'Optional other revision number for index identification to compare against. Defaults to none for comparison with the current local state.'); |
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} |
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protected function executeConfigured(InputInterface $input, OutputInterface $output, Storeman $storeman): int |
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{ |
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$revision = intval($input->getArgument('revision')) ?: $storeman->getLastRevision(); |
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if ($revision === null) |
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{ |
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$this->consoleStyle->writeln("Could not find any past synchronizations to compare against."); |
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return 0; |
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} |
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$vaults = $storeman->getVaultContainer(); |
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$vault = $vaults->getPrioritizedVault($vaults->getVaultsHavingRevision($revision)); |
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if ($vault === null) |
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{ |
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$this->consoleStyle->error("Could not find requested revision {$revision} in any vault."); |
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return 1; |
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} |
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$index = $vault->getRemoteIndex($revision); |
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$compareTo = intval($input->getArgument('compareTo')) ?: null; |
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if ($compareTo === 0) |
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{ |
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$this->consoleStyle->error("Invalid argument compareTo given."); |
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return 1; |
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} |
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elseif ($compareTo === null) |
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{ |
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$compareToIndex = $storeman->getLocalIndex(); |
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} |
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else |
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{ |
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$vault = $vaults->getPrioritizedVault($vaults->getVaultsHavingRevision($compareTo)); |
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if ($vault === null) |
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{ |
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$this->consoleStyle->error("Could not find revision {$compareTo} in any vault."); |
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return 1; |
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} |
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$compareToIndex = $vault->getRemoteIndex($compareTo); |
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assert($compareToIndex instanceof Index); |
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} |
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$mergedIndex = $vault->getIndexMerger()->merge(new PreferLocalConflictHandler(), $index, $compareToIndex, $index); |
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$diff = $index->getDifference($mergedIndex); |
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if ($diff->count() > 0) |
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{ |
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$output->writeln(sprintf("Found %d difference(s):\n", $diff->count() ?: 'No')); |
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/** @var DisplayIndexComparisonHelper $helper */ |
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$helper = $this->getHelper('displayIndexComparison'); |
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$helper->displayIndexComparison($diff, $output, "r{$revision}", $compareTo ? "r{$compareTo}" : "local"); |
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} |
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else |
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{ |
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$output->writeln("No differences found."); |
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} |
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return 0; |
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} |
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} |
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storeman-io /
storeman
Unless you are absolutely sure that the expression can never be null because of other conditions, we strongly recommend to add an additional type check to your code: