From 704ea4b4bb4f0253657639399df9626eac14a9f4 Mon Sep 17 00:00:00 2001
From: Mike McQuaid <mike@mikemcquaid.com>
Date: Wed, 18 Sep 2019 09:43:29 +0100
Subject: [PATCH] install: add comment explaining why we're creating these
 files.

---
 Library/Homebrew/install.rb | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/Library/Homebrew/install.rb b/Library/Homebrew/install.rb
index 8ede763fc1..1d07053e03 100644
--- a/Library/Homebrew/install.rb
+++ b/Library/Homebrew/install.rb
@@ -25,6 +25,9 @@ module Homebrew
         begin
           FileUtils.mkdir_p(dir) unless dir.exist?
 
+          # Create these files to ensure that these directories aren't removed
+          # by the Catalina installer.
+          # (https://github.com/Homebrew/brew/issues/6263)
           keep_file = dir/".keepme"
           FileUtils.touch(keep_file) unless keep_file.exist?
         rescue