fix(pre-update-event): use it to change repo only on update or install

src/installer/ParentPlugin.php

@@ -8,13 +8,14 @@
 namespace Seacms\ComposerInstaller;
 
 use Composer\Composer;
+use Composer\EventDispatcher\EventSubscriberInterface;
 use Composer\IO\IOInterface;
 use Composer\Plugin\Capable;
 use Composer\Plugin\PluginInterface;
 use TopFloor\ComposerCleanupVcsDirs\Plugin as TopFloorPlugin;
 
 if (class_exists(TopFloorPlugin::class,true)){
-    abstract class ParentPlugin extends TopFloorPlugin implements Capable
+    abstract class ParentPlugin extends TopFloorPlugin implements Capable, EventSubscriberInterface
     {
         /**
          * const to test if TopFloorPlugin
@@ -23,7 +24,7 @@ if (class_exists(TopFloorPlugin::class,true)){
         protected const IS_TOP_FLOOR_PLUGIN = true;
     }
 } else {
-    abstract class ParentPlugin implements PluginInterface, Capable
+    abstract class ParentPlugin implements PluginInterface, Capable, EventSubscriberInterface
     {
         
         /**

src/installer/Plugin.php

@@ -15,6 +15,8 @@ use Composer\Repository\PathRepository;
 use Composer\Repository\RepositoryManager;
 use Composer\Repository\VcsRepository;
 use Exception;
+use Composer\Script\Event as ScriptEvent;
+use Composer\Script\ScriptEvents;
 use Seacms\ComposerInstaller\Handler;
 use Seacms\ComposerInstaller\NotFoundFileException;
 use Seacms\ComposerInstaller\ParentPlugin;
@@ -48,9 +50,19 @@ class Plugin extends ParentPlugin
         $this->io = $io;
         if (!self::IS_TOP_FLOOR_PLUGIN){
             // do nothing
+            $this->handler = null;
             return ;
         }
         $this->handler = new Handler($composer, $io);
+    }
+
+    /**
+     * manage preupdate event
+     * @param ScriptEvent $event
+     */
+    public function onPreUpdate(ScriptEvent $event)
+    {
+        if (!is_null($this->handler)){
             try {
                 list('config' => $config,'path' => $path) = $this->getConfigJsonFile();
                 $this->updateRepositoryManager($config);
@@ -59,6 +71,7 @@ class Plugin extends ParentPlugin
                 // do nothing
             }
         }
+    }
     
     /**
      * get config.json File from root path
@@ -223,4 +236,11 @@ class Plugin extends ParentPlugin
             'Composer\Plugin\Capability\CommandProvider' => 'Seacms\\Command\\Command',
         ];
     }
+    /* === implements EventsSubscriberInterface === */
+    public static function getSubscribedEvents()
+    {
+        return [
+            ScriptEvents::PRE_UPDATE_CMD => 'onPreUpdate'
+        ];
+    }
 }