From 8c1f889806a9c4cdeb23ab8a5ec51fec465c265e Mon Sep 17 00:00:00 2001
From: Ruslan Bekenev <furyinbox@gmail.com>
Date: Mon, 19 Sep 2016 01:00:00 +0300
Subject: [PATCH] cut out "file://" from VCS download() method

this issue was happening due to realpath() function
that cannot work with "file://" path.
For local repositories it is valid url but not valid for realpath()
---
 src/Composer/Downloader/VcsDownloader.php | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/src/Composer/Downloader/VcsDownloader.php b/src/Composer/Downloader/VcsDownloader.php
index e4fe312d7..8487fee25 100644
--- a/src/Composer/Downloader/VcsDownloader.php
+++ b/src/Composer/Downloader/VcsDownloader.php
@@ -67,6 +67,12 @@ abstract class VcsDownloader implements DownloaderInterface, ChangeReportInterfa
         while ($url = array_shift($urls)) {
             try {
                 if (Filesystem::isLocalPath($url)) {
+                    # realpath() below will not understand
+                    # url that starts with "file://"
+                    $needle = 'file://';
+                    if (0 === strpos($url, $needle)) {
+                        $url = substr($url, strlen($needle));
+                    }
                     $url = realpath($url);
                 }
                 $this->doDownload($package, $path, $url);