Allow accessing the ArchiveManager via the Composer object, fixes #6411

src/Composer/Command/ArchiveCommand.php

@@ -15,6 +15,7 @@ namespace Composer\Command;
 use Composer\Factory;
 use Composer\IO\IOInterface;
 use Composer\Config;
+use Composer\Composer;
 use Composer\Repository\CompositeRepository;
 use Composer\Repository\RepositoryFactory;
 use Composer\Script\ScriptEvents;
@@ -84,7 +85,8 @@ EOT
             $input->getOption('format'),
             $input->getOption('dir'),
             $input->getOption('file'),
-            $input->getOption('ignore-filters')
+            $input->getOption('ignore-filters'),
+            $composer
         );
 
         if (0 === $returnCode && $composer) {
@@ -94,11 +96,15 @@ EOT
         return $returnCode;
     }
 
-    protected function archive(IOInterface $io, Config $config, $packageName = null, $version = null, $format = 'tar', $dest = '.', $fileName = null, $ignoreFilters)
+    protected function archive(IOInterface $io, Config $config, $packageName = null, $version = null, $format = 'tar', $dest = '.', $fileName = null, $ignoreFilters = false, Composer $composer = null)
     {
-        $factory = new Factory;
-        $downloadManager = $factory->createDownloadManager($io, $config);
-        $archiveManager = $factory->createArchiveManager($config, $downloadManager);
+        if ($composer) {
+            $archiveManager = $composer->getArchiveManager();
+        } else {
+            $factory = new Factory;
+            $downloadManager = $factory->createDownloadManager($io, $config);
+            $archiveManager = $factory->createArchiveManager($config, $downloadManager);
+        }
 
         if ($packageName) {
             $package = $this->selectPackage($io, $packageName, $version);

src/Composer/Composer.php

@@ -20,6 +20,7 @@ use Composer\Plugin\PluginManager;
 use Composer\Downloader\DownloadManager;
 use Composer\EventDispatcher\EventDispatcher;
 use Composer\Autoload\AutoloadGenerator;
+use Composer\Package\Archiver\ArchiveManager;
 
 /**
  * @author Jordi Boggiano <j.boggiano@seld.be>
@@ -77,6 +78,11 @@ class Composer
      */
     private $autoloadGenerator;
 
+    /**
+     * @var ArchiveManager
+     */
+    private $archiveManager;
+
     /**
      * @param  Package\RootPackageInterface $package
      * @return void
@@ -158,6 +164,22 @@ class Composer
         return $this->downloadManager;
     }
 
+    /**
+     * @param ArchiveManager $manager
+     */
+    public function setArchiveManager(ArchiveManager $manager)
+    {
+        $this->archiveManager = $manager;
+    }
+
+    /**
+     * @return ArchiveManager
+     */
+    public function getArchiveManager()
+    {
+        return $this->archiveManager;
+    }
+
     /**
      * @param Installer\InstallationManager $manager
      */

src/Composer/Factory.php

@@ -360,6 +360,10 @@ class Factory
             // initialize autoload generator
             $generator = new AutoloadGenerator($dispatcher, $io);
             $composer->setAutoloadGenerator($generator);
+
+            // initialize archive manager
+            $am = $this->createArchiveManager($config, $dm);
+            $composer->setArchiveManager($am);
         }
 
         // add installers to the manager (must happen after download manager is created since they read it out of $composer)