From 486b25fd3015dc21df0524178d0ad279c91c8980 Mon Sep 17 00:00:00 2001
From: Novicaine <Novicaine@users.noreply.github.com>
Date: Fri, 15 Mar 2019 13:15:01 -0500
Subject: [PATCH 1/2] Fix for UNC Windows paths

Made isAbsolutePath recognize Windows UNC-style absolute paths starting with \\
---
 src/Composer/Util/Filesystem.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/Composer/Util/Filesystem.php b/src/Composer/Util/Filesystem.php
index 1903f1c8d..d9e83280b 100644
--- a/src/Composer/Util/Filesystem.php
+++ b/src/Composer/Util/Filesystem.php
@@ -440,7 +440,7 @@ class Filesystem
      */
     public function isAbsolutePath($path)
     {
-        return substr($path, 0, 1) === '/' || substr($path, 1, 1) === ':';
+        return substr($path, 0, 1) === '/' || substr($path, 1, 1) === ':' || substr($path,0,2) === '\\';
     }
 
     /**

From 8944627245b66948111a33f467b7c865115c559b Mon Sep 17 00:00:00 2001
From: Jordi Boggiano <j.boggiano@seld.be>
Date: Tue, 19 Mar 2019 11:34:23 +0100
Subject: [PATCH 2/2] Fix syntax and backslash escaping

---
 src/Composer/Util/Filesystem.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/Composer/Util/Filesystem.php b/src/Composer/Util/Filesystem.php
index d9e83280b..c025a6b8c 100644
--- a/src/Composer/Util/Filesystem.php
+++ b/src/Composer/Util/Filesystem.php
@@ -440,7 +440,7 @@ class Filesystem
      */
     public function isAbsolutePath($path)
     {
-        return substr($path, 0, 1) === '/' || substr($path, 1, 1) === ':' || substr($path,0,2) === '\\';
+        return substr($path, 0, 1) === '/' || substr($path, 1, 1) === ':' || substr($path, 0, 2) === '\\\\';
     }
 
     /**