[console] Add mappings for debug commands.

config/mappings.yml

@@ -0,0 +1,30 @@
+commands:
+  mappings:
+    breakpoints:debug: debug:breakpoints
+    cache:context:debug: debug:cache:context
+    chain:debug: debug:chain
+    config:debug: debug:config
+    config:settings:debug: debug:config:settings
+    config:validate:debug: debug:config:validate
+    container:debug: debug:container
+    cron:debug: debug:cron
+    database:log:debug: debug:database:log
+    database:table:debug: debug:database:table
+    entity:debug: debug:entity
+    event:debug: debug:event
+    image:styles:debug: debug:image:styles
+    libraries:debug: debug:libraries
+    module:debug: debug:module
+    multisite:debug: debug:multisite
+    permission:debug: debug:permission
+    plugin:debug: debug:plugin
+    queue:debug: debug:queue
+    router:debug: debug:router
+    settings:debug: debug:settings
+    site:debug: debug:site
+    state:debug: debug:state
+    theme:debug: debug:theme
+    update:debug: debug:update
+    user:debug: debug:user
+    views:debug: debug:views
+    views:plugins:debug: debug:views:plugins

src/Application.php

@@ -85,9 +85,9 @@ public function trans($key)
     /**
      * {@inheritdoc}
      */
-    public function doRun(InputInterface $input, OutputInterface $output)
-    {
+    public function doRun(InputInterface $input, OutputInterface $output) {
         $io = new DrupalStyle($input, $output);
+        $messages = [];
         if ($commandName = $this->getCommandName($input)) {
             $this->commandName = $commandName;
         }
@@ -103,35 +103,65 @@ public function doRun(InputInterface $input, OutputInterface $output)
             ->get('console.configuration_manager');
 
         if ($commandName && !$this->has($commandName)) {
-            $io->error(
-                sprintf(
-                    $this->trans('application.errors.invalid-command'),
-                    $this->commandName
-                )
-            );
+            $config = $configurationManager->getConfiguration();
+            $mappings = $config
+                ->get('application.commands.mappings');
+
+            if (array_key_exists($commandName, $mappings)) {
+                $commandNameMap = $mappings[$commandName];
+                $messages['warning'][] = sprintf(
+                    $this->trans('application.errors.renamed-command'),
+                    $commandName,
+                    $commandNameMap
+                );
+                $this->add(
+                    $this->find($commandNameMap)->setAliases([$commandName])
+                );
+            }
+            else {
+                $io->error(
+                    sprintf(
+                        $this->trans('application.errors.invalid-command'),
+                        $this->commandName
+                    )
+                );
 
-            return 1;
+                return 1;
+            }
         }
 
         $code = parent::doRun(
             $input,
             $output
         );
 
-        if ($this->commandName != 'init' && $configurationManager->getMissingConfigurationFiles()) {
-            $io->warning($this->trans('application.site.errors.missing-config-file'));
+        if ($this->commandName != 'init' && $configurationManager->getMissingConfigurationFiles(
+            )
+        ) {
+            $io->warning(
+                $this->trans('application.site.errors.missing-config-file')
+            );
             $io->listing($configurationManager->getMissingConfigurationFiles());
             $io->commentBlock(
-                $this->trans('application.site.errors.missing-config-file-command')
+                $this->trans(
+                    'application.site.errors.missing-config-file-command'
+                )
             );
         }
 
-        if ($this->getCommandName($input) == 'list' && $this->container->hasParameter('console.warning')) {
+        if ($this->getCommandName(
+                $input
+            ) == 'list' && $this->container->hasParameter('console.warning')
+        ) {
             $io->warning(
                 $this->trans($this->container->getParameter('console.warning'))
             );
         }
 
+        foreach ($messages as $type => $message) {
+            $io->$type($message);
+        }
+
         return $code;
     }
 

src/Utils/ConfigurationManager.php

@@ -94,6 +94,7 @@ public function loadConfiguration($applicationDirectory)
         $builder = new YamlFileConfigurationBuilder($configurationFiles);
         $this->configuration = $builder->build();
         $this->appendCommandAliases();
+        $this->appendCommandMappings();
 
         if ($configurationFiles) {
             $this->missingConfigurationFiles = [];
@@ -245,7 +246,27 @@ public function getConfigurationDirectories()
     }
 
     /**
-     * @return string
+     * @return void
+     */
+    public function appendCommandMappings()
+    {
+        $mappings = [];
+        $mappingsFile = $this->applicationDirectory.DRUPAL_CONSOLE_CORE.'config/mappings.yml';
+
+        if (file_exists($mappingsFile)) {
+            $mappings = Yaml::parse(file_get_contents($mappingsFile));
+        }
+
+        if (array_key_exists('commands', $mappings) && array_key_exists('mappings', $mappings['commands'])) {
+            $this->configuration->set(
+                'application.commands.mappings',
+                $mappings['commands']['mappings']
+            );
+        }
+    }
+
+    /**
+     * @return void
      */
     public function appendCommandAliases()
     {