From 39cf5a7fde8fea752436ed21d038714ad9657da6 Mon Sep 17 00:00:00 2001
From: perses <costinc@gmail.com>
Date: Mon, 1 Aug 2016 16:56:56 +0300
Subject: [PATCH] fs: fix isSubPath for top-level directories (#105)

---
 fs/torrentfs.go      | 3 +++
 fs/torrentfs_test.go | 1 +
 2 files changed, 4 insertions(+)

diff --git a/fs/torrentfs.go b/fs/torrentfs.go
index 0f1cc9e6..55834a24 100644
--- a/fs/torrentfs.go
+++ b/fs/torrentfs.go
@@ -158,6 +158,9 @@ var (
 )
 
 func isSubPath(parent, child string) bool {
+	if len(parent) == 0 {
+		return len(child) > 0
+	}
 	if !strings.HasPrefix(child, parent) {
 		return false
 	}
diff --git a/fs/torrentfs_test.go b/fs/torrentfs_test.go
index da83a75b..f3564124 100644
--- a/fs/torrentfs_test.go
+++ b/fs/torrentfs_test.go
@@ -214,6 +214,7 @@ func TestIsSubPath(t *testing.T) {
 	}{
 		{"", "", false},
 		{"", "/", true},
+		{"", "a", true},
 		{"a/b", "a/bc", false},
 		{"a/b", "a/b", false},
 		{"a/b", "a/b/c", true},
-- 
2.48.1