From 8bf46768f3f5397c259b77321b2e887a53624adb Mon Sep 17 00:00:00 2001
From: Jordi Boggiano <j.boggiano@seld.be>
Date: Thu, 10 Mar 2016 16:31:09 +0000
Subject: [PATCH] Improve error reporting when loading artifact repos

---
 src/Composer/Repository/ArtifactRepository.php | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/src/Composer/Repository/ArtifactRepository.php b/src/Composer/Repository/ArtifactRepository.php
index a4f5421de..21443adcf 100644
--- a/src/Composer/Repository/ArtifactRepository.php
+++ b/src/Composer/Repository/ArtifactRepository.php
@@ -148,7 +148,11 @@ class ArtifactRepository extends ArrayRepository implements ConfigurableReposito
             'shasum' => sha1_file($file->getRealPath()),
         );
 
-        $package = $this->loader->load($package);
+        try {
+            $package = $this->loader->load($package);
+        } catch (\UnexpectedValueException $e) {
+            throw new \UnexpectedValueException('Failed loading package in '.$file.': '.$e->getMessage(), 0, $e);
+        }
 
         return $package;
     }