--- /dev/null
+<?php
+namespace Drush\Drupal\Commands\config;
+
+use Consolidation\AnnotatedCommand\CommandData;
+use Drupal\Core\Config\ConfigManagerInterface;
+use Drupal\Core\Config\StorageComparer;
+use Drupal\Core\Config\FileStorage;
+use Drupal\Core\Config\StorageInterface;
+use Drush\Commands\DrushCommands;
+use Drush\Exceptions\UserAbortException;
+use Symfony\Component\Console\Output\BufferedOutput;
+use Webmozart\PathUtil\Path;
+
+class ConfigExportCommands extends DrushCommands
+{
+
+ /**
+ * @var ConfigManagerInterface
+ */
+ protected $configManager;
+
+ /**
+ * @var StorageInterface
+ */
+ protected $configStorage;
+
+ /**
+ * @var StorageInterface
+ */
+ protected $configStorageSync;
+
+ /**
+ * @return ConfigManagerInterface
+ */
+ public function getConfigManager()
+ {
+ return $this->configManager;
+ }
+
+ /**
+ * @return StorageInterface
+ */
+ public function getConfigStorage()
+ {
+ return $this->configStorage;
+ }
+
+ /**
+ * @return StorageInterface
+ */
+ public function getConfigStorageSync()
+ {
+ return $this->configStorageSync;
+ }
+
+
+ /**
+ * @param ConfigManagerInterface $configManager
+ * @param StorageInterface $configStorage
+ * @param StorageInterface $configStorageSync
+ */
+ public function __construct(ConfigManagerInterface $configManager, StorageInterface $configStorage, StorageInterface $configStorageSync)
+ {
+ parent::__construct();
+ $this->configManager = $configManager;
+ $this->configStorage = $configStorage;
+ $this->configStorageSync = $configStorageSync;
+ }
+
+ /**
+ * Export Drupal configuration to a directory.
+ *
+ * @command config:export
+ * @interact-config-label
+ * @param string $label A config directory label (i.e. a key in $config_directories array in settings.php).
+ * @option add Run `git add -p` after exporting. This lets you choose which config changes to sync for commit.
+ * @option commit Run `git add -A` and `git commit` after exporting. This commits everything that was exported without prompting.
+ * @option message Commit comment for the exported configuration. Optional; may only be used with --commit.
+ * @option destination An arbitrary directory that should receive the exported files. A backup directory is used when no value is provided.
+ * @option diff Show preview as a diff, instead of a change list.
+ * @usage drush config:export --destination
+ * Export configuration; Save files in a backup directory named config-export.
+ * @aliases cex,config-export
+ */
+ public function export($label = null, $options = ['add' => false, 'commit' => false, 'message' => self::REQ, 'destination' => self::OPT, 'diff' => false])
+ {
+ // Get destination directory.
+ $destination_dir = ConfigCommands::getDirectory($label, $options['destination']);
+
+ // Do the actual config export operation.
+ $preview = $this->doExport($options, $destination_dir);
+
+ // Do the VCS operations.
+ $this->doAddCommit($options, $destination_dir, $preview);
+ }
+
+ public function doExport($options, $destination_dir)
+ {
+ // Prepare the configuration storage for the export.
+ if ($destination_dir == Path::canonicalize(\config_get_config_directory(CONFIG_SYNC_DIRECTORY))) {
+ $target_storage = $this->getConfigStorageSync();
+ } else {
+ $target_storage = new FileStorage($destination_dir);
+ }
+
+ if (count(glob($destination_dir . '/*')) > 0) {
+ // Retrieve a list of differences between the active and target configuration (if any).
+ $config_comparer = new StorageComparer($this->getConfigStorage(), $target_storage, $this->getConfigManager());
+ if (!$config_comparer->createChangelist()->hasChanges()) {
+ $this->logger()->notice(dt('The active configuration is identical to the configuration in the export directory (!target).', ['!target' => $destination_dir]));
+ return;
+ }
+ $this->output()->writeln("Differences of the active config to the export directory:\n");
+
+ if ($options['diff']) {
+ $diff = ConfigCommands::getDiff($target_storage, $this->getConfigStorage(), $this->output());
+ $this->output()->writeln($diff);
+ } else {
+ $change_list = [];
+ foreach ($config_comparer->getAllCollectionNames() as $collection) {
+ $change_list[$collection] = $config_comparer->getChangelist(null, $collection);
+ }
+ // Print a table with changes in color, then re-generate again without
+ // color to place in the commit comment.
+ $bufferedOutput = new BufferedOutput();
+ $table = ConfigCommands::configChangesTable($change_list, $bufferedOutput, false);
+ $table->render();
+ $preview = $bufferedOutput->fetch();
+ $table = ConfigCommands::configChangesTable($change_list, $this->output(), true);
+ $table->render();
+ }
+
+ if (!$this->io()->confirm(dt('The .yml files in your export directory (!target) will be deleted and replaced with the active config.', ['!target' => $destination_dir]))) {
+ throw new UserAbortException();
+ }
+ // Only delete .yml files, and not .htaccess or .git.
+ $target_storage->deleteAll();
+ }
+
+ // Write all .yml files.
+ ConfigCommands::copyConfig($this->getConfigStorage(), $target_storage);
+
+ $this->logger()->success(dt('Configuration successfully exported to !target.', ['!target' => $destination_dir]));
+ drush_backend_set_result($destination_dir);
+ return isset($preview) ? $preview : 'No existing configuration to diff against.';
+ }
+
+ public function doAddCommit($options, $destination_dir, $preview)
+ {
+ // Commit or add exported configuration if requested.
+ if ($options['commit']) {
+ // There must be changed files at the destination dir; if there are not, then
+ // we will skip the commit step.
+ $result = drush_shell_cd_and_exec($destination_dir, 'git status --porcelain .');
+ if (!$result) {
+ throw new \Exception(dt("`git status` failed."));
+ }
+ $uncommitted_changes = drush_shell_exec_output();
+ if (!empty($uncommitted_changes)) {
+ $result = drush_shell_cd_and_exec($destination_dir, 'git add -A .');
+ if (!$result) {
+ throw new \Exception(dt("`git add -A` failed."));
+ }
+ $comment_file = drush_save_data_to_temp_file($options['message'] ?: 'Exported configuration.'. $preview);
+ $result = drush_shell_cd_and_exec($destination_dir, 'git commit --file=%s', $comment_file);
+ if (!$result) {
+ throw new \Exception(dt("`git commit` failed. Output:\n\n!output", ['!output' => implode("\n", drush_shell_exec_output())]));
+ }
+ }
+ } elseif ($options['add']) {
+ drush_shell_exec_interactive('git add -p %s', $destination_dir);
+ }
+ }
+
+ /**
+ * @hook validate config-export
+ * @param \Consolidation\AnnotatedCommand\CommandData $commandData
+ */
+ public function validate(CommandData $commandData)
+ {
+ $destination = $commandData->input()->getOption('destination');
+
+ if ($destination === true) {
+ // We create a dir in command callback. No need to validate.
+ return;
+ }
+
+ if (!empty($destination)) {
+ // TODO: evaluate %files et. al. in destination
+ // $commandData->input()->setOption('destination', $destination);
+ if (!file_exists($destination)) {
+ $parent = dirname($destination);
+ if (!is_dir($parent)) {
+ throw new \Exception('The destination parent directory does not exist.');
+ }
+ if (!is_writable($parent)) {
+ throw new \Exception('The destination parent directory is not writable.');
+ }
+ } else {
+ if (!is_dir($destination)) {
+ throw new \Exception('The destination is not a directory.');
+ }
+ if (!is_writable($destination)) {
+ throw new \Exception('The destination directory is not writable.');
+ }
+ }
+ }
+ }
+}