From 35bdbeb2420d31cfcd4137a3c89e52e8dc74cfbc Mon Sep 17 00:00:00 2001
From: Alexandr Kozlinskiy <akozlins@gmail.com>
Date: Fri, 26 Aug 2016 09:52:54 +0200
Subject: [PATCH 1/3] if ZDOTDIR is set, put .zsh-update there

---
 tools/check_for_upgrade.sh | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/tools/check_for_upgrade.sh b/tools/check_for_upgrade.sh
index bd9aba8be..64fde3330 100644
--- a/tools/check_for_upgrade.sh
+++ b/tools/check_for_upgrade.sh
@@ -7,7 +7,7 @@ function _current_epoch() {
 }
 
 function _update_zsh_update() {
-  echo "LAST_EPOCH=$(_current_epoch)" >! ~/.zsh-update
+  echo "LAST_EPOCH=$(_current_epoch)" >! ${ZDOTDIR:-${HOME}}/.zsh-update
 }
 
 function _upgrade_zsh() {
@@ -29,9 +29,9 @@ fi
 # Cancel upgrade if git is unavailable on the system
 whence git >/dev/null || return 0
 
-if [ -f ~/.zsh-update ]
+if [ -f ${ZDOTDIR:-${HOME}}/.zsh-update ]
 then
-  . ~/.zsh-update
+  . ${ZDOTDIR:-${HOME}}/.zsh-update
 
   if [[ -z "$LAST_EPOCH" ]]; then
     _update_zsh_update && return 0;

From 8406bb5da53aea76add64f6de245ee498c045dc7 Mon Sep 17 00:00:00 2001
From: Alexandr Kozlinskiy <akozlins@gmail.com>
Date: Sat, 27 Aug 2016 15:14:31 +0200
Subject: [PATCH 2/3] 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;

From f42d1a81827ddee7131b4591eacf1a07b5dbb7c7 Mon Sep 17 00:00:00 2001
From: Alexandr Kozlinskiy <akozlins@gmail.com>
Date: Mon, 17 Oct 2016 12:13:54 +0200
Subject: [PATCH 3/3] always set $ZSH_UPDATE to $ZSH/cache/.zsh-update

---
 tools/check_for_upgrade.sh | 10 ++++------
 1 file changed, 4 insertions(+), 6 deletions(-)

diff --git a/tools/check_for_upgrade.sh b/tools/check_for_upgrade.sh
index c91fb0433..c31906958 100644
--- a/tools/check_for_upgrade.sh
+++ b/tools/check_for_upgrade.sh
@@ -1,8 +1,6 @@
 #!/usr/bin/env zsh
 
-if [ -z "$ZSH_UPDATE" ]; then
-  ZSH_UPDATE="$ZSH/cache/.zsh-update"
-fi
+ZSH_UPDATE="$ZSH/cache/.zsh-update"
 
 zmodload zsh/datetime
 
@@ -11,7 +9,7 @@ function _current_epoch() {
 }
 
 function _update_zsh_update() {
-  echo "LAST_EPOCH=$(_current_epoch)" >! $ZSH_UPDATE
+  echo "LAST_EPOCH=$(_current_epoch)" >! "$ZSH_UPDATE"
 }
 
 function _upgrade_zsh() {
@@ -34,8 +32,8 @@ fi
 whence git >/dev/null || return 0
 
 if mkdir "$ZSH/log/update.lock" 2>/dev/null; then
-  if [ -f $ZSH_UPDATE ]; then
-    . $ZSH_UPDATE
+  if [ -f "$ZSH_UPDATE" ]; then
+    . "$ZSH_UPDATE"
 
     if [[ -z "$LAST_EPOCH" ]]; then
       _update_zsh_update && return 0;