From 8b61315b14bef09cf39b545a897d0090ce6cf94c Mon Sep 17 00:00:00 2001
From: Jordi Boggiano <j.boggiano@seld.be>
Date: Mon, 11 Sep 2017 11:26:33 +0200
Subject: [PATCH] Normalize URL as symfony Filesystem::mirror does a straight
 str_replace on realUrl vs actual iteratee path without normalization and our
 aRchivableFilesFinder does normalize the path, refs #6667

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

diff --git a/src/Composer/Downloader/PathDownloader.php b/src/Composer/Downloader/PathDownloader.php
index 77ca0bb13..250a01c3f 100644
--- a/src/Composer/Downloader/PathDownloader.php
+++ b/src/Composer/Downloader/PathDownloader.php
@@ -19,6 +19,7 @@ use Composer\Package\Version\VersionGuesser;
 use Composer\Package\Version\VersionParser;
 use Composer\Util\Platform;
 use Composer\Util\ProcessExecutor;
+use Composer\Util\Filesystem as ComposerFilesystem;
 use Symfony\Component\Filesystem\Exception\IOException;
 use Symfony\Component\Filesystem\Filesystem;
 
@@ -119,6 +120,9 @@ class PathDownloader extends FileDownloader implements VcsCapableDownloaderInter
 
         // Fallback if symlink failed or if symlink is not allowed for the package
         if (self::STRATEGY_MIRROR == $currentStrategy) {
+            $fs = new ComposerFilesystem();
+            $realUrl = $fs->normalizePath($realUrl);
+
             $this->io->writeError(sprintf('%sMirroring from %s', $isFallback ? '    ' : '', $url), false);
             $iterator = new ArchivableFilesFinder($realUrl, array());
             $fileSystem->mirror($realUrl, $path, $iterator);