From aa04277dc2bf6421d24d5441155f596c84269305 Mon Sep 17 00:00:00 2001
From: Mike McQuaid <mike@mikemcquaid.com>
Date: Tue, 24 Aug 2021 14:46:00 +0100
Subject: [PATCH] sandbox: add comment.

---
 Library/Homebrew/sandbox.rb | 1 +
 1 file changed, 1 insertion(+)

diff --git a/Library/Homebrew/sandbox.rb b/Library/Homebrew/sandbox.rb
index 81edb634e1..c69a47d2bc 100644
--- a/Library/Homebrew/sandbox.rb
+++ b/Library/Homebrew/sandbox.rb
@@ -102,6 +102,7 @@ class Sandbox
 
     begin
       command = [SANDBOX_EXEC, "-f", seatbelt.path, *args]
+      # Start sandbox in a pseudoterminal to prevent access of the parent terminal.
       T.unsafe(PTY).spawn(*command) do |r, w, pid|
         w.winsize = $stdout.winsize
         trap(:WINCH) { w.winsize = $stdout.winsize }