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<?php |
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/** |
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* Magento Version Identification |
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* |
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* PHP version 5 |
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* |
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* @author Steve Robbins <[email protected]> |
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* @copyright 2015 Steve Robbins |
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* @license http://creativecommons.org/licenses/by/4.0/ CC BY 4.0 |
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* @link https://github.com/steverobbins/magento-version-identification-php |
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*/ |
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namespace Mvi\Command; |
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use Mvi\Command\MviCommand; |
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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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* Finds unique md5 hashes |
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*/ |
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class UniqueCommand extends MviCommand |
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{ |
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const VERSION_DESTINATION = 'version.json'; |
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const ACCURACY_FACTOR = 500; |
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const EDITION_SHORT_ENTERPRISE = 'EE'; |
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const EDITION_SHORT_COMMUNITY = 'CE'; |
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const EDITION_LONG_ENTERPRISE = 'Enterprise'; |
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const EDITION_LONG_COMMUNITY = 'Community'; |
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/** |
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* Patterns of file that might not be reliable |
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* |
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* @var string[] |
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*/ |
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protected $fileIgnorePatterns = [ |
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"/\/rwd\//", |
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"/[^(js|css)]$/", |
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]; |
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/** |
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* Configure generate command |
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* |
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* @return void |
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*/ |
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protected function configure() |
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{ |
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$this |
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->setName('unique') |
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->setDescription('Find unique md5 hashes and save to file'); |
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} |
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/** |
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* Run unique command |
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* |
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* @param InputInterface $input |
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* @param OutputInterface $output |
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* |
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* @return void |
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*/ |
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protected function execute(InputInterface $input, OutputInterface $output) |
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{ |
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$data = $this->collectData(); |
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$fileHashCounts = $this->buildFileHashCounts($data); |
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$fingerprints = []; |
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$tries = 0; |
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while (count($data) > 0) { |
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$accuracy = ceil(++$tries / self::ACCURACY_FACTOR); |
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$file = key($fileHashCounts); |
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foreach ($data as $release => $value) { |
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$this->identify($value, $file, $fileHashCounts, $accuracy, $fingerprints, $release, $data, $output); |
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} |
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next($fileHashCounts) ?: reset($fileHashCounts); |
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} |
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if ($this->saveUniqueVersions($fingerprints)) { |
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$output->writeln(sprintf('Unique hashes written to <info>%s</info>', self::VERSION_DESTINATION)); |
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} else { |
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$output->writeln('<error>Failed to write unique hashes to file</error>'); |
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} |
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} |
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/** |
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* Collect all the release hash datas |
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* |
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* [ |
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* 'CE-1.0.0' => [ |
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* 'abc123' => 'foo.js', |
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* 'edf456' => 'bar.js', |
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* ], |
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* 'CE-1.1.0' => [ ... ] |
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* ] |
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* |
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* @return array |
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*/ |
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protected function collectData() |
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{ |
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$data = []; |
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foreach (glob($this->baseDir . DS . self::DIR_MD5 . DS . 'magento-*') as $release) { |
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$lines = explode("\n", file_get_contents($release)); |
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$release = str_replace($this->baseDir . DS . self::DIR_MD5 . DS . 'magento-', '', $release); |
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$data[$release] = []; |
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foreach ($lines as $line) { |
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if (strlen($line) === 0) { |
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continue; |
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} |
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list($hash, $file) = explode(' ', $line); |
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foreach ($this->fileIgnorePatterns as $pattern) { |
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if (preg_match($pattern, $file)) { |
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continue 2; |
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} |
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} |
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$data[$release][$hash] = $file; |
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} |
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} |
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return $data; |
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} |
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/** |
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* Get the most import files determined by how many unique hashes they have |
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* |
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* [ |
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* 'skin/adminhtml/default/default/boxes.css' => [ |
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* 'abc123' => [ |
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* 'CE-1.0' |
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* ], |
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* 'efg456' => [ |
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* 'CE-1.1.0', |
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* 'CE-1.1.1' |
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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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* @param array $data |
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* |
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* @return array |
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*/ |
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protected function buildFileHashCounts(array $data) |
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{ |
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$counts = []; |
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foreach ($data as $release => $value) { |
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foreach ($value as $hash => $file) { |
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if (!isset($counts[$file])) { |
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$counts[$file] = []; |
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} |
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if (!isset($counts[$file][$hash])) { |
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$counts[$file][$hash] = []; |
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} |
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$counts[$file][$hash][] = $release; |
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} |
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} |
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uasort($counts, function ($a, $b) { |
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return count($b) - count($a); |
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}); |
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return $counts; |
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} |
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/** |
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* Take the release short name and expand |
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* |
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* @param string $name |
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* @param array $existing |
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* |
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* @return string[] |
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*/ |
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protected function prepareReleaseName($name, &$existing) |
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{ |
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list($edition, $version) = explode('-', $name); |
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switch ($edition) { |
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case self::EDITION_SHORT_ENTERPRISE: |
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$edition = self::EDITION_LONG_ENTERPRISE; |
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break; |
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case self::EDITION_SHORT_COMMUNITY: |
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$edition = self::EDITION_LONG_COMMUNITY; |
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break; |
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} |
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if (!is_array($existing)) { |
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$existing = []; |
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} |
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if (!isset($existing[$edition])) { |
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$existing[$edition] = []; |
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} |
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$existing[$edition][] = $version; |
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} |
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/** |
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* Add file/hash/release combo to fingerprints if accurate enough |
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* |
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* @param array $value |
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* @param string $file |
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* @param array $fileHashCounts |
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* @param string $accuracy |
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* @param array $fingerprints |
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* @param string $release |
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* @param array $data |
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* @param OutputInterface $output |
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* |
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* @return void |
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*/ |
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protected function identify( |
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array $value, |
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$file, |
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array $fileHashCounts, |
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$accuracy, |
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&$fingerprints, |
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$release, |
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array &$data, |
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OutputInterface $output |
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) { |
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$fileHash = array_flip($value); |
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if (isset($fileHash[$file]) && count($fileHashCounts[$file][$fileHash[$file]]) <= $accuracy) { |
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if (!isset($fingerprints[$file])) { |
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$fingerprints[$file] = []; |
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} |
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$this->prepareReleaseName($release, $fingerprints[$file][$fileHash[$file]]); |
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$output->writeln(sprintf( |
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'<info>%s</info> can be identified by <info>%s</info> with hash <info>%s</info>', |
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$release, |
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$file, |
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$fileHash[$file] |
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)); |
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unset($data[$release]); |
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} |
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} |
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/** |
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* Save fingerprints to file |
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* |
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* @param array $fingerprints |
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* |
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* @return integer |
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*/ |
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protected function saveUniqueVersions($fingerprints) |
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{ |
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uasort($fingerprints, function ($a, $b) { |
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return count($b) - count($a); |
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}); |
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$json = str_replace('\\/', '/', json_encode($fingerprints, JSON_PRETTY_PRINT)); |
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return file_put_contents($this->baseDir . DS . self::VERSION_DESTINATION, $json); |
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} |
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} |
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steverobbins /
magento-version-identification-php
