Platformsh\Cli\Helper\DrushHelper::createAliases PHP Метод

    public function createAliases(Project $project, $projectRoot, $environments, $original = null, $merge = true)
    {
        $localProject = new LocalProject();
        $config = $localProject->getProjectConfig($projectRoot);
        $group = !empty($config['alias-group']) ? $config['alias-group'] : $project['id'];
        $autoRemoveKey = $this->getAutoRemoveKey();
        // Ensure the existence of the .drush directory.
        $drushDir = $this->homeDir . '/.drush';
        if (!is_dir($drushDir)) {
            mkdir($drushDir);
        }
        $filename = $drushDir . '/' . $group . '.aliases.drushrc.php';
        if (!is_writable($drushDir) || file_exists($filename) && !is_writable($filename)) {
            throw new \Exception("Drush alias file not writable: {$filename}");
        }
        // Include the previous alias file(s) so that the user's own
        // modifications can be merged. This may create a PHP parse error for
        // invalid syntax, but in that case the user could not run Drush anyway.
        $aliases = [];
        $originalFiles = [$filename];
        if ($original) {
            array_unshift($originalFiles, $drushDir . '/' . $original . '.aliases.drushrc.php');
        }
        if ($merge) {
            foreach ($originalFiles as $originalFile) {
                if (file_exists($originalFile)) {
                    include $originalFile;
                }
            }
        }
        // Gather applications.
        $apps = LocalApplication::getApplications($projectRoot, $this->config);
        $drupalApps = $apps;
        $multiApp = false;
        if (count($apps) > 1) {
            $multiApp = true;
            // Remove non-Drupal applications.
            foreach ($drupalApps as $key => $app) {
                if (!Drupal::isDrupal($app->getRoot())) {
                    unset($drupalApps[$key]);
                }
            }
        }
        // Generate aliases for the remote environments and applications.
        $autoGenerated = '';
        foreach ($environments as $environment) {
            foreach ($drupalApps as $app) {
                $newAlias = $this->generateRemoteAlias($environment, $app, $multiApp);
                if (!$newAlias) {
                    continue;
                }
                $aliasName = $environment->id;
                if (count($drupalApps) > 1) {
                    $aliasName .= '--' . $app->getId();
                }
                // If the alias already exists, recursively replace existing
                // settings with new ones.
                if (isset($aliases[$aliasName])) {
                    $newAlias = array_replace_recursive($aliases[$aliasName], $newAlias);
                    unset($aliases[$aliasName]);
                }
                $autoGenerated .= sprintf("\n// Automatically generated alias for the environment \"%s\", application \"%s\".\n", $environment->title, $app->getId());
                $autoGenerated .= $this->exportAlias($aliasName, $newAlias);
            }
        }
        // Generate an alias for the local environment, for each app.
        $localAlias = '';
        $localWebRoot = $this->config->get('local.web_root');
        foreach ($drupalApps as $app) {
            $appId = $app->getId();
            $localAliasName = '_local';
            $webRoot = $projectRoot . '/' . $localWebRoot;
            if (count($drupalApps) > 1) {
                $localAliasName .= '--' . $appId;
            }
            if ($multiApp) {
                $webRoot .= '/' . $appId;
            }
            $local = ['root' => $webRoot, $autoRemoveKey => true];
            if (isset($aliases[$localAliasName])) {
                $local = array_replace_recursive($aliases[$localAliasName], $local);
                unset($aliases[$localAliasName]);
            }
            $localAlias .= sprintf("\n// Automatically generated alias for the local environment, application \"%s\".\n", $appId) . $this->exportAlias($localAliasName, $local);
        }
        // Add any user-defined (pre-existing) aliases.
        $userDefined = '';
        foreach ($aliases as $name => $alias) {
            if (!empty($alias[$autoRemoveKey])) {
                // This is probably for a deleted environment.
                continue;
            }
            $userDefined .= $this->exportAlias($name, $alias) . "\n";
        }
        if ($userDefined) {
            $userDefined = "\n// User-defined aliases.\n" . $userDefined;
        }
        $header = "<?php\n" . "/**\n * @file" . "\n * Drush aliases for the " . $this->config->get('service.name') . " project \"{$project->title}\"." . "\n *" . "\n * This file is auto-generated by the " . $this->config->get('application.name') . "." . "\n *" . "\n * WARNING" . "\n * This file may be regenerated at any time." . "\n * - User-defined aliases will be preserved." . "\n * - Aliases for active environments (including any custom additions) will be preserved." . "\n * - Aliases for deleted or inactive environments will be deleted." . "\n * - All other information will be deleted." . "\n */\n\n";
        $export = $header . $userDefined . $localAlias . $autoGenerated;
        $this->writeAliasFile($filename, $export);
        return true;
    }

 protected function execute(InputInterface $input, OutputInterface $output)
 {
     $projectRoot = $this->getProjectRoot();
     if (!$projectRoot) {
         throw new RootNotFoundException();
     }
     $projectConfig = LocalProject::getProjectConfig($projectRoot);
     $current_group = isset($projectConfig['alias-group']) ? $projectConfig['alias-group'] : $projectConfig['id'];
     if ($input->getOption('pipe')) {
         $output->writeln($current_group);
         return 0;
     }
     $project = $this->getCurrentProject();
     $new_group = ltrim($input->getOption('group'), '@');
     $homeDir = $this->getHomeDir();
     $drushHelper = new DrushHelper($output);
     $drushHelper->ensureInstalled();
     $drushHelper->setHomeDir($homeDir);
     $aliases = $drushHelper->getAliases($current_group);
     if ($new_group && $new_group != $current_group || !$aliases || $input->getOption('recreate')) {
         $new_group = $new_group ?: $current_group;
         $this->stdErr->writeln("Creating Drush aliases in the group <info>@{$new_group}</info>");
         $questionHelper = $this->getHelper('question');
         if ($new_group != $current_group) {
             $existing = $drushHelper->getAliases($new_group);
             if ($existing && $new_group != $current_group) {
                 $question = "The Drush alias group <info>@{$new_group}</info> already exists. Overwrite?";
                 if (!$questionHelper->confirm($question, $input, $output, false)) {
                     return 1;
                 }
             }
             LocalProject::writeCurrentProjectConfig('alias-group', $new_group, $projectRoot);
         }
         $environments = $this->getEnvironments($project, true, false);
         $drushHelper->createAliases($project, $projectRoot, $environments, $current_group);
         if ($new_group != $current_group) {
             $drushDir = $homeDir . '/.drush';
             $oldFile = $drushDir . '/' . $current_group . '.aliases.drushrc.php';
             if (file_exists($oldFile)) {
                 if ($questionHelper->confirm("Delete old Drush alias group <info>@{$current_group}</info>?", $input, $this->stdErr)) {
                     unlink($oldFile);
                 }
             }
         }
         // Clear the Drush cache now that the aliases have been updated.
         $drushHelper->clearCache();
         // Read the new aliases.
         $aliases = $drushHelper->getAliases($new_group);
     }
     if ($aliases) {
         $this->stdErr->writeln("Drush aliases for <info>{$project->title}</info> ({$project->id}):");
         foreach (explode("\n", $aliases) as $alias) {
             $output->writeln('    @' . $alias);
         }
     }
     return 0;
 }