X-Git-Url: https://git.madduck.net/etc/vim.git/blobdiff_plain/f2ea461e9e9fa5c47bb61fd72d512c748928badc..b8450b9faee10f3a0a63378b58adde60a27964e0:/src/black/files.py

diff --git a/src/black/files.py b/src/black/files.py
index 1be5606..a0c92e8 100644
--- a/src/black/files.py
+++ b/src/black/files.py
@@ -204,6 +204,8 @@ def gen_python_files(
             continue
 
         if child.is_dir():
+            # If gitignore is None, gitignore usage is disabled, while a Falsey
+            # gitignore is when the directory doesn't have a .gitignore file.
             yield from gen_python_files(
                 child.iterdir(),
                 root,
@@ -212,7 +214,7 @@ def gen_python_files(
                 extend_exclude,
                 force_exclude,
                 report,
-                gitignore,
+                gitignore + get_gitignore(child) if gitignore is not None else None,
             )
 
         elif child.is_file():