From e1dda872c30d011c2fecabf2af07a57714ccd093 Mon Sep 17 00:00:00 2001
From: apainintheneck <apainintheneck@gmail.com>
Date: Sat, 28 Oct 2023 18:29:16 -0700
Subject: [PATCH] use XDG_CACHE_HOME on Linux

This variable was getting filtered out before so it wasn't possible
for us to use it as the default for HOMEBREW_DEFAULT_CACHE
and HOMEBREW_DEFAULT_LOGS.
---
 Library/Homebrew/brew.sh | 2 +-
 bin/brew                 | 1 +
 2 files changed, 2 insertions(+), 1 deletion(-)

diff --git a/Library/Homebrew/brew.sh b/Library/Homebrew/brew.sh
index 2c8283a65a..7b19f519b7 100644
--- a/Library/Homebrew/brew.sh
+++ b/Library/Homebrew/brew.sh
@@ -38,7 +38,7 @@ then
   HOMEBREW_DEFAULT_LOGS="${HOME}/Library/Logs/Homebrew"
   HOMEBREW_DEFAULT_TEMP="/private/tmp"
 else
-  CACHE_HOME="${XDG_CACHE_HOME:-${HOME}/.cache}"
+  CACHE_HOME="${HOMEBREW_XDG_CACHE_HOME:-${HOME}/.cache}"
   HOMEBREW_DEFAULT_CACHE="${CACHE_HOME}/Homebrew"
   HOMEBREW_DEFAULT_LOGS="${CACHE_HOME}/Homebrew/Logs"
   HOMEBREW_DEFAULT_TEMP="/tmp"
diff --git a/bin/brew b/bin/brew
index f5304144d7..f0231165d6 100755
--- a/bin/brew
+++ b/bin/brew
@@ -157,6 +157,7 @@ USED_BY_HOMEBREW_VARS=(
   SSH_TTY
   SUDO_USER
   TMUX
+  XDG_CACHE_HOME
   XDG_RUNTIME_DIR
 )
 for VAR in "${USED_BY_HOMEBREW_VARS[@]}"