From cb71e4b56546e8213739ce2fd4a8707d7e43036f Mon Sep 17 00:00:00 2001
From: Alexandr Kozlinskiy <akozlins@gmail.com>
Date: Sat, 27 Aug 2016 15:14:31 +0200
Subject: [PATCH] store .zsh-update in $ZSH/cache/

---
 tools/check_for_upgrade.sh | 10 +++++++---
 1 file changed, 7 insertions(+), 3 deletions(-)

diff --git a/tools/check_for_upgrade.sh b/tools/check_for_upgrade.sh
index 64fde3330..2ce8368e6 100644
--- a/tools/check_for_upgrade.sh
+++ b/tools/check_for_upgrade.sh
@@ -1,5 +1,9 @@
 #!/usr/bin/env zsh
 
+if [ -z "$ZSH_UPDATE" ]; then
+  ZSH_UPDATE="$ZSH/cache/.zsh-update"
+fi
+
 zmodload zsh/datetime
 
 function _current_epoch() {
@@ -7,7 +11,7 @@ function _current_epoch() {
 }
 
 function _update_zsh_update() {
-  echo "LAST_EPOCH=$(_current_epoch)" >! ${ZDOTDIR:-${HOME}}/.zsh-update
+  echo "LAST_EPOCH=$(_current_epoch)" >! $ZSH_UPDATE
 }
 
 function _upgrade_zsh() {
@@ -29,9 +33,9 @@ fi
 # Cancel upgrade if git is unavailable on the system
 whence git >/dev/null || return 0
 
-if [ -f ${ZDOTDIR:-${HOME}}/.zsh-update ]
+if [ -f $ZSH_UPDATE ]
 then
-  . ${ZDOTDIR:-${HOME}}/.zsh-update
+  . $ZSH_UPDATE
 
   if [[ -z "$LAST_EPOCH" ]]; then
     _update_zsh_update && return 0;