From ec301ea8bbd748f396162456a7639c175d2aaa87 Mon Sep 17 00:00:00 2001
From: Jordi Boggiano <j.boggiano@seld.be>
Date: Tue, 14 Aug 2012 11:19:40 +0200
Subject: [PATCH] Output error if a VCS repo has no package at all instead of
 silently going through

---
 src/Composer/Repository/VcsRepository.php | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/Composer/Repository/VcsRepository.php b/src/Composer/Repository/VcsRepository.php
index 641105851..1399bed73 100644
--- a/src/Composer/Repository/VcsRepository.php
+++ b/src/Composer/Repository/VcsRepository.php
@@ -226,6 +226,10 @@ class VcsRepository extends ArrayRepository
         }
 
         $this->io->overwrite('', false);
+
+        if (!$this->getPackages()) {
+            throw new \RuntimeException('No composer.json was found in any branch or tag of '.$this->url.', could not load a package from it.');
+        }
     }
 
     private function preProcess(VcsDriverInterface $driver, array $data, $identifier)