Update to Composer Plugin-API 2.0

Author: be-heiglandreas

composer.json

@@ -15,8 +15,9 @@
   ],
   "require": {
     "php": "^7.1",
-    "composer-plugin-api": "^1.1",
-    "captainhook/captainhook": "^4.0"
+    "composer-plugin-api": "^1.1|^2.0",
+    "org_heigl/trait-iterator": "^1.1",
+    "captainhook/captainhook": "^5.0"
   },
   "require-dev": {
     "composer/composer": "*"

src/ComposerPlugin.php

@@ -40,6 +40,36 @@ public function activate(Composer $composer, IOInterface $io) : void
         // nothing to do here
     }
 
+    /**
+     * Remove any hooks from Composer
+     *
+     * This will be called when a plugin is deactivated before being
+     * uninstalled, but also before it gets upgraded to a new version
+     * so the old one can be deactivated and the new one activated.
+     *
+     * @param Composer    $composer
+     * @param IOInterface $io
+     */
+    public function deactivate(Composer $composer, IOInterface $io)
+    {
+        // Do nothing currently
+    }
+
+    /**
+     * Prepare the plugin to be uninstalled
+     *
+     * This will be called after deactivate.
+     *
+     * @param Composer    $composer
+     * @param IOInterface $io
+     */
+    public function uninstall(Composer $composer, IOInterface $io)
+    {
+        // Do nothing currently
+    }
+
+
+
     /**
      * Make sure the installer is executed after the autoloader is created
      *