From 5c7325f44a34b702e1d328e617ec906da60c2ae5 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Daniel=20=C3=96rn?= <dao@hms.se>
Date: Wed, 5 Oct 2016 07:09:56 +0200
Subject: [PATCH] Added long paths fix for samba network shares

---
 src/restic/fs/file.go | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/src/restic/fs/file.go b/src/restic/fs/file.go
index f6836eb8b..b11dfb48c 100644
--- a/src/restic/fs/file.go
+++ b/src/restic/fs/file.go
@@ -5,6 +5,7 @@ import (
 	"os"
 	"path/filepath"
 	"runtime"
+	"strings"
 )
 
 // File is an open file on a file system.
@@ -26,6 +27,13 @@ func fixpath(name string) string {
 	if runtime.GOOS == "windows" {
 		abspath, err := filepath.Abs(name)
 		if err == nil {
+			// Check if \\?\UNC\ already exist
+			if strings.HasPrefix(abspath, "\\\\?\\UNC\\") { return abspath }
+			// Check if \\?\ already exist
+			if strings.HasPrefix(abspath, "\\\\?\\") { return abspath }
+			// Check if path starts with \\
+			if strings.HasPrefix(abspath, "\\\\") { return strings.Replace(abspath, "\\\\", "\\\\?\\UNC\\", 1) }
+			// Normal path
 			return "\\\\?\\" + abspath
 		}
 	}