From 75d2af2e3a0d0cf85b1e0c510c626d1ee1938074 Mon Sep 17 00:00:00 2001
From: =?utf8?q?=C5=81ukasz=20Langa?= <lukasz@langa.pl>
Date: Mon, 4 Jun 2018 12:18:27 -0700
Subject: [PATCH] Fix missing leading slash due to `relative_to()` resolution

---
 black.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/black.py b/black.py
index b3b37ef..e59a1e5 100644
--- a/black.py
+++ b/black.py
@@ -2826,7 +2826,7 @@ def gen_python_files_in_dir(
     """
     assert root.is_absolute(), f"INTERNAL ERROR: `root` must be absolute but is {root}"
     for child in path.iterdir():
-        normalized_path = child.resolve().relative_to(root).as_posix()
+        normalized_path = "/" + child.resolve().relative_to(root).as_posix()
         if child.is_dir():
             normalized_path += "/"
         exclude_match = exclude.search(normalized_path)
-- 
2.39.2