Composer 2 compatibility (#5)

.env

@@ -2,6 +2,8 @@ WARDEN_ENV_NAME=depends
 WARDEN_ENV_TYPE=laravel
 WARDEN_WEB_ROOT=/
 WARDEN_PHP=1
-PHP_VERSION=7.2
+COMPOSER_VERSION=2
+PHP_VERSION=7.4
 TRAEFIK_DOMAIN=depends.test
 TRAEFIK_SUBDOMAIN=app
+WARDEN_COMPOSER_DIR=./.composer

.gitignore

@@ -1,2 +1,3 @@
 vendor/
 composer.lock
+.composer/

composer.json

@@ -5,8 +5,8 @@
     "license": "MIT",
     "require": {
         "php": "^7.2",
-        "composer-plugin-api": "^1.0",
-        "composer/composer": "^1",
+        "composer-plugin-api": "^1|^2",
+        "composer/composer": "^1|^2",
         "composer/semver": "^1|^2|^3",
         "symfony/console": "^5"
     },

src/Command/WhyBlockCommand.php

@@ -18,7 +18,7 @@
 use Symfony\Component\Console\Output\OutputInterface;
 
 /**
- * @dependency composer/composer:^1 Extends BaseCommand
+ * @dependency composer/composer:^1|^2 Extends BaseCommand
  */
 class WhyBlockCommand extends BaseCommand
 {

src/Plugin.php

@@ -17,13 +17,19 @@
 /**
  * In charge of registering everything our plugin needs
  *
- * @dependency composer-plugin-api:^1 Reliant Interfaces
- * @dependency composer/composer:^1 Existence of IOInterface and Composer class
+ * @dependency composer-plugin-api:^1|^2 Reliant Interfaces
+ * @dependency composer/composer:^1|^2 Existence of IOInterface and Composer class
  */
 class Plugin implements PluginInterface, Capable, CommandProvider
 {
     public function activate(Composer $composer, IOInterface $io): void
     {
+        /* No-op */
+    }
+
+    public function deactivate(Composer $composer, IOInterface $io): void
+    {
+        /* No-op */
     }
 
     public function getCapabilities(): array
@@ -39,4 +45,9 @@ public function getCommands(): array
             new WhyBlockCommand(),
         ];
     }
+
+    public function uninstall(Composer $composer, IOInterface $io): void
+    {
+        /* No-op */
+    }
 }