From 6967d376786ed3f02dcd968a08aa67fd0381231e Mon Sep 17 00:00:00 2001
From: Sam Atkins <atkinssj@serenityos.org>
Date: Wed, 13 Apr 2022 11:52:16 +0100
Subject: [PATCH] LibCore: Prevent infinite recursion in
 Directory::ensure_directory()

If a relative path was passed in, then repeatedly asking for its parent
will never reach `/`. The top-level path in that case is `.`.
---
 Userland/Libraries/LibCore/Directory.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Userland/Libraries/LibCore/Directory.cpp b/Userland/Libraries/LibCore/Directory.cpp
index 32725992e2..a51531819d 100644
--- a/Userland/Libraries/LibCore/Directory.cpp
+++ b/Userland/Libraries/LibCore/Directory.cpp
@@ -61,7 +61,7 @@ ErrorOr<Directory> Directory::create(LexicalPath path, CreateDirectories create_
 
 ErrorOr<void> Directory::ensure_directory(LexicalPath const& path)
 {
-    if (path.basename() == "/")
+    if (path.basename() == "/" || path.basename() == ".")
         return {};
 
     TRY(ensure_directory(path.parent()));