From 544067ced9d21c5286c1ce4ce2196450073522fb Mon Sep 17 00:00:00 2001
From: Jordi Boggiano <j.boggiano@seld.be>
Date: Sun, 25 Sep 2011 23:43:21 +0200
Subject: [PATCH] Packages can't be added to two repos at once

---
 src/Composer/Installer/LibraryInstaller.php | 2 +-
 src/Composer/Package/BasePackage.php        | 5 +++++
 2 files changed, 6 insertions(+), 1 deletion(-)

diff --git a/src/Composer/Installer/LibraryInstaller.php b/src/Composer/Installer/LibraryInstaller.php
index 338c15910..251dac945 100644
--- a/src/Composer/Installer/LibraryInstaller.php
+++ b/src/Composer/Installer/LibraryInstaller.php
@@ -81,7 +81,7 @@ class LibraryInstaller implements InstallerInterface
         $downloadPath = $this->directory.DIRECTORY_SEPARATOR.$package->getName();
 
         $this->downloadManager->download($package, $downloadPath);
-        $this->repository->addPackage($package);
+        $this->repository->addPackage(clone $package);
     }
 
     /**
diff --git a/src/Composer/Package/BasePackage.php b/src/Composer/Package/BasePackage.php
index 1caaf3ba8..526e9e0ac 100644
--- a/src/Composer/Package/BasePackage.php
+++ b/src/Composer/Package/BasePackage.php
@@ -153,4 +153,9 @@ abstract class BasePackage implements PackageInterface
     {
         return $this->getUniqueName();
     }
+
+    public function __clone()
+    {
+        $this->repository = null;
+    }
 }