mirror of https://github.com/rectorphp/rector.git
122 lines
4.1 KiB
PHP
122 lines
4.1 KiB
PHP
<?php
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declare (strict_types=1);
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namespace Rector\Caching\Detector;
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use RectorPrefix202302\Nette\Utils\Strings;
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use Rector\Caching\Cache;
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use Rector\Caching\Config\FileHashComputer;
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use Rector\Caching\Enum\CacheKey;
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/**
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* Inspired by https://github.com/symplify/symplify/pull/90/files#diff-72041b2e1029a08930e13d79d298ef11
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*
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* @see \Rector\Tests\Caching\Detector\ChangedFilesDetectorTest
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*/
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final class ChangedFilesDetector
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{
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/**
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* @readonly
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* @var \Rector\Caching\Config\FileHashComputer
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*/
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private $fileHashComputer;
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/**
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* @readonly
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* @var \Rector\Caching\Cache
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*/
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private $cache;
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public function __construct(FileHashComputer $fileHashComputer, Cache $cache)
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{
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$this->fileHashComputer = $fileHashComputer;
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$this->cache = $cache;
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}
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/**
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* @param string[] $dependentFiles
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*/
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public function addFileWithDependencies(string $filePath, array $dependentFiles) : void
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{
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$filePathCacheKey = $this->getFilePathCacheKey($filePath);
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$hash = $this->hashFile($filePath);
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$this->cache->save($filePathCacheKey, CacheKey::FILE_HASH_KEY, $hash);
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$this->cache->save($filePathCacheKey . '_files', CacheKey::DEPENDENT_FILES_KEY, $dependentFiles);
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}
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public function hasFileChanged(string $filePath) : bool
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{
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$currentFileHash = $this->hashFile($filePath);
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$fileInfoCacheKey = $this->getFilePathCacheKey($filePath);
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$cachedValue = $this->cache->load($fileInfoCacheKey, CacheKey::FILE_HASH_KEY);
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return $currentFileHash !== $cachedValue;
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}
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public function invalidateFile(string $filePath) : void
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{
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$fileInfoCacheKey = $this->getFilePathCacheKey($filePath);
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$this->cache->clean($fileInfoCacheKey);
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}
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public function clear() : void
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{
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$this->cache->clear();
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}
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/**
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* @return string[]
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*/
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public function getDependentFilePaths(string $filePath) : array
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{
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$fileInfoCacheKey = $this->getFilePathCacheKey($filePath);
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$cacheValue = $this->cache->load($fileInfoCacheKey . '_files', CacheKey::DEPENDENT_FILES_KEY);
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if ($cacheValue === null) {
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return [];
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}
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$existingDependentFiles = [];
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$dependentFiles = $cacheValue;
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foreach ($dependentFiles as $dependentFile) {
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if (!\file_exists($dependentFile)) {
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continue;
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}
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$existingDependentFiles[] = $dependentFile;
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}
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return $existingDependentFiles;
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}
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/**
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* @api
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*/
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public function setFirstResolvedConfigFileInfo(string $filePath) : void
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{
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// the first config is core to all → if it was changed, just invalidate it
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$configHash = $this->fileHashComputer->compute($filePath);
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$this->storeConfigurationDataHash($filePath, $configHash);
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}
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private function resolvePath(string $filePath) : string
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{
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$realPath = \realpath($filePath);
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if ($realPath === \false) {
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return $filePath;
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}
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return $realPath;
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}
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private function getFilePathCacheKey(string $filePath) : string
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{
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return \sha1($this->resolvePath($filePath));
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}
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private function hashFile(string $filePath) : string
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{
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return (string) \sha1_file($this->resolvePath($filePath));
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}
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private function storeConfigurationDataHash(string $filePath, string $configurationHash) : void
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{
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$key = CacheKey::CONFIGURATION_HASH_KEY . '_' . Strings::webalize($filePath);
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$this->invalidateCacheIfConfigurationChanged($key, $configurationHash);
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$this->cache->save($key, CacheKey::CONFIGURATION_HASH_KEY, $configurationHash);
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}
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private function invalidateCacheIfConfigurationChanged(string $key, string $configurationHash) : void
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{
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$oldCachedValue = $this->cache->load($key, CacheKey::CONFIGURATION_HASH_KEY);
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if ($oldCachedValue === null) {
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return;
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}
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if ($oldCachedValue === $configurationHash) {
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return;
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}
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// should be unique per getcwd()
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$this->clear();
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}
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}
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