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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,174 @@ | ||
| <?php | ||
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| /** | ||
| * @file | ||
| * Provides a way to patch Composer packages after installation. | ||
| */ | ||
|
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| namespace Acquia\Blt\Composer; | ||
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| use Composer\Composer; | ||
| use Composer\DependencyResolver\Operation\InstallOperation; | ||
| use Composer\DependencyResolver\Operation\UninstallOperation; | ||
| use Composer\DependencyResolver\Operation\UpdateOperation; | ||
| use Composer\DependencyResolver\Operation\OperationInterface; | ||
| use Composer\EventDispatcher\EventSubscriberInterface; | ||
| use Composer\IO\IOInterface; | ||
| use Composer\Package\AliasPackage; | ||
| use Composer\Package\PackageInterface; | ||
| use Composer\Plugin\PluginInterface; | ||
| use Composer\Installer\PackageEvents; | ||
| use Composer\Script\Event; | ||
| use Composer\Script\ScriptEvents; | ||
| use Composer\Script\PackageEvent; | ||
| use Composer\Util\ProcessExecutor; | ||
| use Composer\Util\RemoteFilesystem; | ||
| use Symfony\Component\Process\Process; | ||
|
|
||
| class BltPlugin implements PluginInterface, EventSubscriberInterface { | ||
|
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| /** | ||
| * @var Composer $composer | ||
| */ | ||
| protected $composer; | ||
| /** | ||
| * @var IOInterface $io | ||
| */ | ||
| protected $io; | ||
| /** | ||
| * @var EventDispatcher $eventDispatcher | ||
| */ | ||
| protected $eventDispatcher; | ||
| /** | ||
| * @var ProcessExecutor $executor | ||
| */ | ||
| protected $executor; | ||
|
|
||
| /** | ||
| * @var \Composer\Package\PackageInterface | ||
| */ | ||
| protected $bltPackage; | ||
|
|
||
| /** | ||
| * Apply plugin modifications to composer | ||
| * | ||
| * @param Composer $composer | ||
| * @param IOInterface $io | ||
| */ | ||
| public function activate(Composer $composer, IOInterface $io) { | ||
| $this->composer = $composer; | ||
| $this->io = $io; | ||
| $this->eventDispatcher = $composer->getEventDispatcher(); | ||
| $this->executor = new ProcessExecutor($this->io); | ||
| } | ||
|
|
||
| /** | ||
| * Returns an array of event names this subscriber wants to listen to. | ||
| */ | ||
| public static function getSubscribedEvents() { | ||
| return array( | ||
| PackageEvents::POST_PACKAGE_INSTALL => "onPostPackageEvent", | ||
| PackageEvents::POST_PACKAGE_UPDATE => "onPostPackageEvent", | ||
| ScriptEvents::POST_UPDATE_CMD => 'onPostCmdEvent', | ||
| ScriptEvents::POST_INSTALL_CMD => 'onPostCmdEvent', | ||
| ); | ||
| } | ||
|
|
||
| /** | ||
| * Marks blt to be processed after an install or update command. | ||
| * | ||
| * @param \Composer\Installer\PackageEvent $event | ||
| */ | ||
| public function onPostPackageEvent(\Composer\Installer\PackageEvent $event){ | ||
| $package = $this->getBltPackage($event->getOperation()); | ||
| if ($package) { | ||
| // By explicitly setting the blt package, the onPostCmdEvent() will | ||
| // process the update automatically. | ||
| $this->bltPackage = $package; | ||
| } | ||
| } | ||
|
|
||
| /** | ||
| * Post install command event to execute the blt update. | ||
| * | ||
| * @param \Composer\Script\Event $event | ||
| */ | ||
| public function onPostCmdEvent(\Composer\Script\Event $event) { | ||
| // Only install the scaffolding if acquia/blt was installed, | ||
| if (isset($this->bltPackage)) { | ||
| $this->executeBltUpdate(); | ||
| } | ||
| } | ||
|
|
||
| /** | ||
| * @param $operation | ||
| * @return mixed | ||
| */ | ||
| protected function getBltPackage($operation) { | ||
| if ($operation instanceof InstallOperation) { | ||
| $package = $operation->getPackage(); | ||
| } | ||
| elseif ($operation instanceof UpdateOperation) { | ||
| $package = $operation->getTargetPackage(); | ||
| } | ||
| if (isset($package) && $package instanceof PackageInterface && $package->getName() == 'acquia/blt') { | ||
| return $package; | ||
| } | ||
| return NULL; | ||
| } | ||
|
|
||
| protected function executeBltUpdate() { | ||
| // @todo cd into project root from getVendorPath? | ||
| $this->io->write('<info>Updating BLT templated files</info>'); | ||
| $this->executeCommand('blt update'); | ||
| $this->io->write('<info>BLT template files were updated</info>'); | ||
| $this->io->write('<comment>This may have modified your composer.json and require a subsequent `composer update`</comment>'); | ||
| } | ||
|
|
||
| /** | ||
| * Get the path to the 'vendor' directory. | ||
| * | ||
| * @return string | ||
| */ | ||
| public function getVendorPath() { | ||
| $config = $this->composer->getConfig(); | ||
| $filesystem = new Filesystem(); | ||
| $filesystem->ensureDirectoryExists($config->get('vendor-dir')); | ||
| $vendorPath = $filesystem->normalizePath(realpath($config->get('vendor-dir'))); | ||
| return $vendorPath; | ||
| } | ||
|
|
||
| /** | ||
| * Executes a shell command with escaping. | ||
| * | ||
| * @param string $cmd | ||
| * @return bool | ||
| */ | ||
| protected function executeCommand($cmd) { | ||
| // Shell-escape all arguments except the command. | ||
| $args = func_get_args(); | ||
| foreach ($args as $index => $arg) { | ||
| if ($index !== 0) { | ||
| $args[$index] = escapeshellarg($arg); | ||
| } | ||
| } | ||
| // And replace the arguments. | ||
| $command = call_user_func_array('sprintf', $args); | ||
| $output = ''; | ||
| if ($this->io->isVerbose()) { | ||
| $this->io->write('<comment> > ' . $command . '</comment>'); | ||
| $io = $this->io; | ||
| $output = function ($type, $buffer) use ($io) { | ||
| if ($type == Process::ERR) { | ||
| $io->write('<error>' . $buffer . '</error>'); | ||
| } | ||
| else { | ||
| // @todo Figure out how to preserve color! | ||
| $io->write($buffer); | ||
| } | ||
| }; | ||
| } | ||
| return ($this->executor->execute($command, $output) == 0); | ||
| } | ||
|
|
||
| } |