From 878b79d456683aa55a4f6af17eb2bd9ec4a8e5e2 Mon Sep 17 00:00:00 2001
From: Ivan Verevkin <ivan.p.verevkin@gmail.com>
Date: Tue, 17 Sep 2019 11:06:48 +0200
Subject: [PATCH] install: create `.keepme` files in directories.

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

diff --git a/Library/Homebrew/install.rb b/Library/Homebrew/install.rb
index 215845e362..1eec217d2d 100644
--- a/Library/Homebrew/install.rb
+++ b/Library/Homebrew/install.rb
@@ -24,6 +24,9 @@ module Homebrew
       Keg::MUST_EXIST_DIRECTORIES.each do |dir|
         begin
           FileUtils.mkdir_p(dir) unless dir.exist?
+
+          keep_file = "#{dir}/.keepme"
+          FileUtils.touch(keep_file) unless keep_file.exist?
         rescue
           nil
         end