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<?php |
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namespace MagentoHackathon\Composer\Magento\Patcher; |
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use Composer\IO\NullIO; |
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use Composer\IO\IOInterface; |
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use MagentoHackathon\Composer\Magento\ProjectConfig; |
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class Bootstrap |
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{ |
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/** |
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* String inserted as a PHP comment, before and after the patch code. |
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*/ |
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const PATCH_MARK = 'AUTOLOADER PATCH'; |
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/** |
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* @var ProjectConfig |
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*/ |
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private $config; |
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/** |
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* @var IOInterface |
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*/ |
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private $io; |
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/** |
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* @var string |
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*/ |
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private $mageClassFilePath; |
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/** |
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* @param string $mageClassFilePath Path to the Mage.php file which the patch will be applied on. |
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* @param ProjectConfig $config |
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*/ |
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private function __construct($mageClassFilePath, ProjectConfig $config) |
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{ |
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$this->setMageClassFilePath($mageClassFilePath); |
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$this->config = $config; |
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} |
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/** |
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* @param ProjectConfig $config |
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* @return $this |
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*/ |
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public static function fromConfig(ProjectConfig $config) |
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{ |
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return new self($config->getMagentoRootDir() . '/app/Mage.php', $config); |
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} |
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/** |
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* @return ProjectConfig |
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*/ |
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private function getConfig() |
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{ |
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return $this->config; |
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} |
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/** |
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* @return string |
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* @throws \DomainException |
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*/ |
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private function getMageClassFilePath() |
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{ |
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$mageFileCheck = true; |
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if (!is_file($this->mageClassFilePath)) { |
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$message = "{$this->mageClassFilePath} is not a file."; |
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$mageFileCheck = false; |
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} elseif (!is_readable($this->mageClassFilePath)) { |
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$message = "{$this->mageClassFilePath} is not readable."; |
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$mageFileCheck = false; |
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} elseif (!is_writable($this->mageClassFilePath)) { |
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$message = "{$this->mageClassFilePath} is not writable."; |
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$mageFileCheck = false; |
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} |
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if (!$mageFileCheck) { |
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throw new \DomainException($message); |
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} |
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return $this->mageClassFilePath; |
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} |
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/** |
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* Path to the Mage.php file which the patch will be applied on. |
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* |
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* @param string $mageClassFilePath |
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*/ |
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private function setMageClassFilePath($mageClassFilePath) |
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{ |
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$this->mageClassFilePath = $mageClassFilePath; |
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} |
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/** |
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* @return bool |
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*/ |
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private function isPatchAlreadyApplied() |
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{ |
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return strpos(file_get_contents($this->getMageClassFilePath()), self::PATCH_MARK) !== false; |
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} |
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/** |
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* @return bool |
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*/ |
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public function canApplyPatch() |
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{ |
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// check the config first |
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if (!$this->getConfig()->mustApplyBootstrapPatch()) { |
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$message = "<comment>Magento autoloader patching skipped because of configuration flag</comment>"; |
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$result = false; |
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} elseif ($this->isPatchAlreadyApplied()) { |
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$message = "<comment>{$this->getMageClassFilePath()} was already patched</comment>"; |
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$result = false; |
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} else { |
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$result = true; |
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$message = "<info>Autoloader patch to {$this->getMageClassFilePath()} was applied successfully</info>"; |
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} |
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$this->getIo()->write($message); |
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return $result; |
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} |
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/** |
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* @return bool |
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*/ |
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public function patch() |
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{ |
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return $this->canApplyPatch() ? $this->writeComposerAutoloaderPatch() : false; |
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} |
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/** |
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* @return string |
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*/ |
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protected function getAppPath() |
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{ |
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return $this->getConfig()->getMagentoRootDir() . '/app'; |
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} |
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/** |
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* @return bool |
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*/ |
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protected function writeComposerAutoloaderPatch() |
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{ |
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$mageFileContent = file($this->getMageClassFilePath()); |
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$mageFileBootstrapPart = ''; |
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$mageFileClassDeclarationPart = ''; |
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$isBootstrapPart = true; |
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foreach ($mageFileContent as $row) { |
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if ($isBootstrapPart) { |
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$mageFileBootstrapPart .= $row; |
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} else { |
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$mageFileClassDeclarationPart .= $row; |
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} |
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if (strpos($row, 'Varien_Autoload') === 0) { |
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$isBootstrapPart = false; |
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} |
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} |
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$mageFileReplacement = $mageFileBootstrapPart . PHP_EOL |
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. $this->getAutoloaderPatchString() . PHP_EOL |
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. $mageFileClassDeclarationPart; |
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return file_put_contents($this->getMageClassFilePath(), $mageFileReplacement) !== false; |
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} |
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/** |
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* @param IOInterface $io |
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*/ |
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public function setIo(IOInterface $io) |
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{ |
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$this->io = $io; |
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} |
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/** |
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* @return IOInterface |
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*/ |
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public function getIo() |
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{ |
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if (!$this->io) { |
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$this->io = new NullIO; |
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} |
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return $this->io; |
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} |
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/** |
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* @return string |
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*/ |
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private function getAutoloaderPatchString() |
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{ |
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$patchMark = self::PATCH_MARK; |
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// get the vendor folder name from Config, in case it's changed |
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$vendorFolderName = basename($this->getConfig()->getVendorDir()); |
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$autoloadPhp = $vendorFolderName . '/autoload.php'; |
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return <<<PATCH |
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/** $patchMark **/ |
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if (file_exists(\$autoloaderPath = BP . DS . '{$autoloadPhp}') || |
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file_exists(\$autoloaderPath = BP . DS . '../{$autoloadPhp}') |
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) { |
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require \$autoloaderPath; |
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} |
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/** $patchMark **/ |
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PATCH; |
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} |
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} |
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Cotya /
magento-composer-installer
