Inject options from core:rsync and sql:sync alias parameters.

composer.json

@@ -28,7 +28,7 @@
     "psr/log": "~1.0",
     "psy/psysh": "~0.6",
     "league/container": "~2",
-    "consolidation/config": "^1.0.3",
+    "consolidation/config": "^1.0.5",
     "consolidation/robo": "^1.1.4",
     "symfony/config": "~2.2|^3",
     "chi-teck/drupal-code-generator": "^1.17.3",

examples/example.aliases.yml

@@ -160,14 +160,16 @@
 #   if you set a 'remote-host' value, and your remote OS is Windows, if you
 #   do not set the 'OS' value, it will default to 'Linux' and could cause
 #   unintended consequences, particularly when running 'drush sql-sync'.
-# - 'ssh-options': If the target requires special options, such as a non-
+# - 'ssh': If the target requires special options, such as a non-
 #   standard port, alternative identity file, or alternative
-#   authentication method, ssh-options can contain a string of extra
-#   options that are used with the ssh command, eg "-p 100"
+#   authentication method, the `option` entry under the `ssh` item may
+#   contain a string of extra options that are used with the ssh command,
+#   e.g. "-p 100"
 # - 'paths': An array of aliases for common rsync targets.
 #   Relative aliases are always taken from the Drupal root.
 #   - 'files': Path to 'files' directory.  This will be looked up if not
 #     specified.
+#   - 'drush-script': Path to the remot Drush command.
 # - 'command': These options will only be set if the alias
 #   is used with the specified command.  In the example below, the option
 #   `--no-dump` will be selected whenever the @stage alias
@@ -177,6 +179,36 @@
 #     - `drush sql-sync @live @stage`
 #   NOTE: Setting boolean options broke with Symfony 3. This will be fixed
 #     in a future release. See: https://github.com/drush-ops/drush/issues/2956
+# - 'alias-parameters': These options will only be set if the alias is
+#   used as the specified parameter. `sql:sync` and `core:rsync` are the two
+#   core commands that use this entry. These commands both have `source`
+#   and `target` parameters.
+#
+# Complex example:
+#
+# @code
+# # File: remote.alias.yml
+# live:
+#   host: server.domain.com
+#   user: www-admin
+#   root: /other/path/to/drupal
+#   uri: http://example.com
+#   ssh:
+#     options: '-p 100'
+#   paths:
+#     drush-script: '/path/to/drush'
+#   command:
+#     site:
+#       install:
+#         options:
+#           admin-password: 'secret-secret'
+#   alias-parameters:
+#     target:
+#       core:
+#         rsnyc:
+#           options:
+#             excplude-paths: sites/default/files/private
+# @endcode
 #
 # Altering aliases:
 #

isolation/composer.json

@@ -9,7 +9,7 @@
     "php": ">=5.6.0",
     "ext-dom": "*",
     "psr/log": "~1.0",
-    "consolidation/config": "dev-master",
+    "consolidation/config": "^1.0.5",
     "grasmash/yaml-expander": "^1.1.1",
     "symfony/yaml": "~2.3|^3",
     "symfony/var-dumper": "~2.7|^3",

src/Application.php

@@ -149,6 +149,9 @@ public function refineUriSelection($cwd)
             return;
         }
         $selfAliasRecord = $this->aliasManager->getSelf();
+        if (!$selfAliasRecord->hasRoot()) {
+            return;
+        }
         $uri = $selfAliasRecord->uri();
 
         if (empty($uri)) {

src/Commands/core/RsyncCommands.php

@@ -9,10 +9,15 @@
 use Drush\SiteAlias\SiteAliasManagerAwareInterface;
 use Drush\SiteAlias\SiteAliasManagerAwareTrait;
 use Drush\Backend\BackendPathEvaluator;
+use Robo\Contract\ConfigAwareInterface;
+use Robo\Common\ConfigAwareTrait;
+use Drush\Config\ConfigLocator;
+use Symfony\Component\Console\Event\ConsoleCommandEvent;
 
-class RsyncCommands extends DrushCommands implements SiteAliasManagerAwareInterface
+class RsyncCommands extends DrushCommands implements SiteAliasManagerAwareInterface, ConfigAwareInterface
 {
     use SiteAliasManagerAwareTrait;
+    use ConfigAwareTrait;
 
     /**
      * These are arguments after the aliases and paths have been evaluated.
@@ -21,7 +26,7 @@ class RsyncCommands extends DrushCommands implements SiteAliasManagerAwareInterf
     /** @var HostPath */
     public $sourceEvaluatedPath;
     /** @var HostPath */
-    public $destinationEvaluatedPath;
+    public $targetEvaluatedPath;
     /** @var BackendPathEvaluator */
     protected $pathEvaluator;
 
@@ -37,7 +42,7 @@ public function __construct()
      *
      * @command core:rsync
      * @param $source A site alias and optional path. See rsync documentation and example.aliases.yml.
-     * @param $destination A site alias and optional path. See rsync documentation and example.aliases.config.yml.',
+     * @param $target A site alias and optional path. See rsync documentation and example.aliases.config.yml.',
      * @param $extra Additional parameters after the ssh statement.
      * @optionset_ssh
      * @option exclude-paths List of paths to exclude, seperated by : (Unix-based systems) or ; (Windows).
@@ -54,11 +59,11 @@ public function __construct()
      * @aliases rsync,core-rsync
      * @topics docs:aliases
      */
-    public function rsync($source, $destination, array $extra, $options = ['exclude-paths' => self::REQ, 'include-paths' => self::REQ, 'mode' => 'akz'])
+    public function rsync($source, $target, array $extra, $options = ['exclude-paths' => self::REQ, 'include-paths' => self::REQ, 'mode' => 'akz'])
     {
         // Prompt for confirmation. This is destructive.
         if (!\Drush\Drush::simulate()) {
-            $this->output()->writeln(dt("You will delete files in !target and replace with data from !source", array('!source' => $this->sourceEvaluatedPath->fullyQualifiedPathPreservingTrailingSlash(), '!target' => $this->destinationEvaluatedPath->fullyQualifiedPath())));
+            $this->output()->writeln(dt("You will delete files in !target and replace with data from !source", array('!source' => $this->sourceEvaluatedPath->fullyQualifiedPathPreservingTrailingSlash(), '!target' => $this->targetEvaluatedPath->fullyQualifiedPath())));
             if (!$this->io()->confirm(dt('Do you want to continue?'))) {
                 throw new UserAbortException();
             }
@@ -67,16 +72,16 @@ public function rsync($source, $destination, array $extra, $options = ['exclude-
         $rsync_options = $this->rsyncOptions($options);
         $parameters = array_merge([$rsync_options], $extra);
         $parameters[] = $this->sourceEvaluatedPath->fullyQualifiedPathPreservingTrailingSlash();
-        $parameters[] = $this->destinationEvaluatedPath->fullyQualifiedPath();
+        $parameters[] = $this->targetEvaluatedPath->fullyQualifiedPath();
 
         $ssh_options = Drush::config()->get('ssh.options', '');
         $exec = "rsync -e 'ssh $ssh_options'". ' '. implode(' ', array_filter($parameters));
         $exec_result = drush_op_system($exec);
 
         if ($exec_result == 0) {
-            drush_backend_set_result($this->destinationEvaluatedPath->fullyQualifiedPath());
+            drush_backend_set_result($this->targetEvaluatedPath->fullyQualifiedPath());
         } else {
-            throw new \Exception(dt("Could not rsync from !source to !dest", array('!source' => $this->sourceEvaluatedPath->fullyQualifiedPathPreservingTrailingSlash(), '!dest' => $this->destinationEvaluatedPath->fullyQualifiedPath())));
+            throw new \Exception(dt("Could not rsync from !source to !dest", array('!source' => $this->sourceEvaluatedPath->fullyQualifiedPathPreservingTrailingSlash(), '!dest' => $this->targetEvaluatedPath->fullyQualifiedPath())));
         }
     }
 
@@ -90,7 +95,7 @@ public function rsyncOptions($options)
             $inc_ex_path = explode(PATH_SEPARATOR, @$options[$include_exclude . '-paths']);
             foreach ($inc_ex_path as $one_path_to_inc_ex) {
                 if (!empty($one_path_to_inc_ex)) {
-                    $paths = ' --' . $include_exclude . '="' . $one_path_to_inc_ex . '"';
+                    $paths .= ' --' . $include_exclude . '="' . $one_path_to_inc_ex . '"';
                 }
             }
         }
@@ -105,27 +110,54 @@ public function rsyncOptions($options)
     }
 
     /**
-     * Validate that passed aliases are valid.
+     * Evaluate the path aliases in the source and destination
+     * parameters. We do this in the pre-command-event so that
+     * we can set up the configuration object to include options
+     * from the source and target aliases, if any, so that these
+     * values may participate in configuration injection.
      *
-     * @hook validate core-rsync
-     * @param \Consolidation\AnnotatedCommand\CommandData $commandData
+     * @hook command-event core:rsync
+     * @param ConsoleCommandEvent $event
      * @throws \Exception
      * @return void
      */
-    public function validate(CommandData $commandData)
+    public function preCommandEvent(ConsoleCommandEvent $event)
     {
-        $destination = $commandData->input()->getArgument('destination');
-        $source = $commandData->input()->getArgument('source');
+        $input = $event->getInput();
+        $this->sourceEvaluatedPath = $this->injectAliasPathParameterOptions($input, 'source');
+        $this->targetEvaluatedPath = $this->injectAliasPathParameterOptions($input, 'target');
+    }
 
+    protected function injectAliasPathParameterOptions($input, $parameterName)
+    {
+        // The Drush configuration object is a ConfigOverlay; fetch the alias
+        // context, that already has the options et. al. from the
+        // site-selection alias ('drush @site rsync ...'), @self.
+        $aliasConfigContext = $this->getConfig()->getContext(ConfigLocator::ALIAS_CONTEXT);
         $manager = $this->siteAliasManager();
-        $this->sourceEvaluatedPath = HostPath::create($manager, $source);
-        $this->destinationEvaluatedPath = HostPath::create($manager, $destination);
 
-        $this->pathEvaluator->evaluate($this->sourceEvaluatedPath);
-        $this->pathEvaluator->evaluate($this->destinationEvaluatedPath);
+        $aliasName = $input->getArgument($parameterName);
+        $evaluatedPath = HostPath::create($manager, $aliasName);
+        $this->pathEvaluator->evaluate($evaluatedPath);
+
+        // Inject the source and target alias records into the alias config context.
+        $evaluatedPath->getAliasRecord()->injectIntoConfig($aliasConfigContext, $parameterName);
 
-        if ($this->sourceEvaluatedPath->isRemote() && $this->destinationEvaluatedPath->isRemote()) {
-            $msg = dt("Cannot specify two remote aliases. Instead, use one of the following alternate options:\n\n    `drush {source} rsync @self {target}`\n    `drush {source} rsync @self {fulltarget}\n\nUse the second form if the site alias definitions are not available at {source}.", array('source' => $source, 'target' => $destination, 'fulltarget' => $this->destinationEvaluatedPath->fullyQualifiedPath()));
+        return $evaluatedPath;
+    }
+
+    /**
+     * Validate that passed aliases are valid.
+     *
+     * @hook validate core-rsync
+     * @param \Consolidation\AnnotatedCommand\CommandData $commandData
+     * @throws \Exception
+     * @return void
+     */
+    public function validate(CommandData $commandData)
+    {
+        if ($this->sourceEvaluatedPath->isRemote() && $this->targetEvaluatedPath->isRemote()) {
+            $msg = dt("Cannot specify two remote aliases. Instead, use one of the following alternate options:\n\n    `drush {source} rsync @self {target}`\n    `drush {source} rsync @self {fulltarget}\n\nUse the second form if the site alias definitions are not available at {source}.", array('source' => $source, 'target' => $target, 'fulltarget' => $this->targetEvaluatedPath->fullyQualifiedPath()));
             throw new \Exception($msg);
         }
     }