From 51dcf65fd75aca17ea32c9c55548dc249a56ec65 Mon Sep 17 00:00:00 2001
From: jack1142 <6032823+jack1142@users.noreply.github.com>
Date: Thu, 23 May 2019 09:08:14 +0200
Subject: [PATCH] [Downloader] Fix problem with copying directory tree. (#2690)

* fix(downloader): clear paths in `distutils.dir_util._path_created` before copying tree

fix #2685

* style(downloader): add comment about PR
---
 redbot/cogs/downloader/installable.py | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/redbot/cogs/downloader/installable.py b/redbot/cogs/downloader/installable.py
index 143701a6a..772aec4a9 100644
--- a/redbot/cogs/downloader/installable.py
+++ b/redbot/cogs/downloader/installable.py
@@ -114,6 +114,8 @@ class Installable(RepoJSONMixin):
         if self._location.is_file():
             copy_func = shutil.copy2
         else:
+            # clear copy_tree's cache to make sure missing directories are created (GH-2690)
+            distutils.dir_util._path_created = {}
             copy_func = distutils.dir_util.copy_tree
 
         # noinspection PyBroadException