From 98ba6d8bf47ff95f5bb616e23e623bd146cc85c4 Mon Sep 17 00:00:00 2001
From: Mark Ingman <mark@valhallasoftware.co.uk>
Date: Thu, 3 Nov 2016 17:37:14 +0000
Subject: [PATCH] Fixing empty VCS URL for file:/// paths with spaces

realpath() returns FALSE for fFile paths with URL encoding like %20 for
spaces.
---
 src/Composer/Downloader/VcsDownloader.php | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/Composer/Downloader/VcsDownloader.php b/src/Composer/Downloader/VcsDownloader.php
index 8487fee25..2918d2366 100644
--- a/src/Composer/Downloader/VcsDownloader.php
+++ b/src/Composer/Downloader/VcsDownloader.php
@@ -73,6 +73,8 @@ abstract class VcsDownloader implements DownloaderInterface, ChangeReportInterfa
                     if (0 === strpos($url, $needle)) {
                         $url = substr($url, strlen($needle));
                     }
+                    // realpath() will also not understand %20 etc
+                    $url = rawurldecode($url);
                     $url = realpath($url);
                 }
                 $this->doDownload($package, $path, $url);