7269-Fix wrong create empty folder in migrate controller where action is not create

framework/CHANGELOG.md

@@ -28,7 +28,8 @@ Yii Framework 2 Change Log
 - Enh #6896: Added `yii\log\FileTarget::$enableRotation` to allow disabling log rotation when external tools are configured for this (cebe)
 - Enh #7008: Removed extra white space in GridView filter cell (uran1980)
 - Enh #7051: Added support for preventing swapping values between different cookies (pavimus, qiangxue) 
-- Enh #7255: Added support to allow widgets that use text input to specify input types (qiangxue) 
+- Enh #7255: Added support to allow widgets that use text input to specify input types (qiangxue)
+- Enh #7269: Fixed wrong create empty folder in `yii\console\controllers\BaseMigrateController` if action is not `create` (lynicidn, samdark)
 - Chg #5690: adjusted paths in message config generated by `yii message/config` to reflect directory structure better (mikehaertl, samdark)
 - Chg #6661: Hyperlinks that are enclosed within an exist form will use the same form for submission if they specify both of the `href` and `data-method` attributes (qiangxue)
 - Chg #7094: Console confirmation must be answered correctly. To return `true`: `y` or `yes`. To return `false`: `n` or `no`. Any other input the question will be asked again (thiagotalma)

framework/console/controllers/BaseMigrateController.php

@@ -59,14 +59,17 @@ public function options($actionID)
      * This method is invoked right before an action is to be executed (after all possible filters.)
      * It checks the existence of the [[migrationPath]].
      * @param \yii\base\Action $action the action to be executed.
-     * @throws Exception if db component isn't configured
+     * @throws Exception if migrationPath is not directory and action not create.
      * @return boolean whether the action should continue to be executed.
      */
     public function beforeAction($action)
     {
         if (parent::beforeAction($action)) {
             $path = Yii::getAlias($this->migrationPath);
             if (!is_dir($path)) {
+                if ($action->id !== 'create') {
+                    throw new Exception("\nMigration failed. Invalid config param: migrationPath is not directory.\n");
+                }
                 FileHelper::createDirectory($path);
             }
             $this->migrationPath = $path;

framework/console/controllers/MigrateController.php

@@ -11,6 +11,7 @@
 use yii\console\Exception;
 use yii\db\Connection;
 use yii\db\Query;
+use yii\di\Instance;
 use yii\helpers\ArrayHelper;
 use yii\helpers\Console;
 
@@ -92,12 +93,7 @@ public function beforeAction($action)
     {
         if (parent::beforeAction($action)) {
             if ($action->id !== 'create') {
-                if (is_string($this->db)) {
-                    $this->db = Yii::$app->get($this->db);
-                }
-                if (!$this->db instanceof Connection) {
-                    throw new Exception("The 'db' option must refer to the application component ID of a DB connection.");
-                }
+                $this->db = Instance::ensure($this->db, Connection::className());
             }
             return true;
         } else {