From 18895064ad12bbe165221029f166eff368e4e833 Mon Sep 17 00:00:00 2001
From: Mike van Rooyen <michael.vanrooyen@extreme-creations.co.uk>
Date: Tue, 8 Oct 2019 15:46:35 +0100
Subject: [PATCH] Check that if the getUrlMatches method returns an empty value
 which means the path is incorrect

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

diff --git a/src/Composer/Repository/PathRepository.php b/src/Composer/Repository/PathRepository.php
index 6e218f159..d5d21b609 100644
--- a/src/Composer/Repository/PathRepository.php
+++ b/src/Composer/Repository/PathRepository.php
@@ -125,7 +125,13 @@ class PathRepository extends ArrayRepository implements ConfigurableRepositoryIn
     {
         parent::initialize();
 
-        foreach ($this->getUrlMatches() as $url) {
+        $urlMatches = $this->getUrlMatches();
+
+        if (empty($urlMatches)) {
+            throw new \RuntimeException('The `url` supplied for the path repository does not exist');
+        }
+
+        foreach ($urlMatches as $url) {
             $path = realpath($url) . DIRECTORY_SEPARATOR;
             $composerFilePath = $path.'composer.json';