From c1baa20feca5f645c420bf91094e3dcb9705d3d4 Mon Sep 17 00:00:00 2001
From: Jordi Boggiano <j.boggiano@seld.be>
Date: Sat, 18 Feb 2012 23:48:12 +0100
Subject: [PATCH] Lock reference of dev packages

---
 src/Composer/Package/Locker.php | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/src/Composer/Package/Locker.php b/src/Composer/Package/Locker.php
index 21e09eaf3..09a187313 100644
--- a/src/Composer/Package/Locker.php
+++ b/src/Composer/Package/Locker.php
@@ -116,7 +116,13 @@ class Locker
                 ));
             }
 
-            $lock['packages'][] = array('package' => $name, 'version' => $version);
+            $spec = array('package' => $name, 'version' => $version);
+
+            if ($package->isDev()) {
+                $spec['reference'] = $package->getSourceReference();
+            }
+
+            $lock['packages'][] = $spec;
         }
 
         $this->lockFile->write($lock);