From 18effd77db1156c11848bd3bfadd8fa63c747516 Mon Sep 17 00:00:00 2001
From: Xiao Fan <xiao.h.fan@gmail.com>
Date: Fri, 11 May 2018 07:28:02 -0700
Subject: [PATCH] last-working-dir: disable chpwd_last_working_dir in subshells
 (#6817)

---
 plugins/last-working-dir/last-working-dir.plugin.zsh | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/plugins/last-working-dir/last-working-dir.plugin.zsh b/plugins/last-working-dir/last-working-dir.plugin.zsh
index e882b288..53bb19e4 100644
--- a/plugins/last-working-dir/last-working-dir.plugin.zsh
+++ b/plugins/last-working-dir/last-working-dir.plugin.zsh
@@ -4,8 +4,10 @@ typeset -g ZSH_LAST_WORKING_DIRECTORY
 # Updates the last directory once directory is changed
 chpwd_functions+=(chpwd_last_working_dir)
 chpwd_last_working_dir() {
-	local cache_file="$ZSH_CACHE_DIR/last-working-dir"
-	pwd >| "$cache_file"
+	if [ "$ZSH_SUBSHELL" = 0 ]; then
+		local cache_file="$ZSH_CACHE_DIR/last-working-dir"
+		pwd >| "$cache_file"
+	fi
 }
 
 # Changes directory to the last working directory