[9.x] Fixes ensureDependenciesExist runtime error

src/Illuminate/Database/Console/DatabaseInspectionCommand.php

@@ -149,17 +149,15 @@ protected function getConfigFromDatabase($database)
     /**
      * Ensure the dependencies for the database commands are available.
      *
-     * @return int|null
+     * @return bool
      */
     protected function ensureDependenciesExist()
     {
-        if (! interface_exists('Doctrine\DBAL\Driver')) {
-            if (! $this->components->confirm('Displaying model information requires the Doctrine DBAL (doctrine/dbal) package. Would you like to install it?')) {
-                return 1;
+        return tap(interface_exists('Doctrine\DBAL\Driver'), function ($dependenciesExist) {
+            if (! $dependenciesExist && $this->components->confirm('Inspecting database information requires the Doctrine DBAL (doctrine/dbal) package. Would you like to install it?')) {
+                $this->installDependencies();
             }
-
-            return $this->installDependencies();
-        }
+        });
     }
 
     /**

src/Illuminate/Database/Console/ShowCommand.php

@@ -38,7 +38,9 @@ class ShowCommand extends DatabaseInspectionCommand
      */
     public function handle(ConnectionResolverInterface $connections)
     {
-        $this->ensureDependenciesExist();
+        if (! $this->ensureDependenciesExist()) {
+            return 1;
+        }
 
         $connection = $connections->connection($database = $this->input->getOption('database'));
 

src/Illuminate/Database/Console/TableCommand.php

@@ -37,7 +37,9 @@ class TableCommand extends DatabaseInspectionCommand
      */
     public function handle(ConnectionResolverInterface $connections)
     {
-        $this->ensureDependenciesExist();
+        if (! $this->ensureDependenciesExist()) {
+            return 1;
+        }
 
         $connection = $connections->connection($this->input->getOption('database'));
 

src/Illuminate/Foundation/Console/ShowModelCommand.php

@@ -81,7 +81,9 @@ class ShowModelCommand extends DatabaseInspectionCommand
      */
     public function handle()
     {
-        $this->ensureDependenciesExist();
+        if (! $this->ensureDependenciesExist()) {
+            return 1;
+        }
 
         $class = $this->qualifyModel($this->argument('model'));