From 206a087d54b7645db74b9e6008d07e1db326fec0 Mon Sep 17 00:00:00 2001
From: Josh Holtrop <jholtrop@gmail.com>
Date: Fri, 7 Mar 2014 10:52:36 -0500
Subject: [PATCH] cd_hook: do not invoke actions if in a bash subshell

---
 bash_aliases | 11 +++++++----
 1 file changed, 7 insertions(+), 4 deletions(-)

diff --git a/bash_aliases b/bash_aliases
index 2d45ae4..7e408de 100755
--- a/bash_aliases
+++ b/bash_aliases
@@ -93,10 +93,13 @@ function cd_hook_show_git_status()
 }
 function cd_hook()
 {
-    if [[ "${cd_hook_last_wd}" != "${PWD}" ]]; then
-        cd_hook_cat_todo
-        cd_hook_show_git_status
-        cd_hook_last_wd="${PWD}"
+    if [[ $BASH_SUBSHELL == 0 ]]; then
+        # do not invoke these CD hooks in subshells
+        if [[ "${cd_hook_last_wd}" != "${PWD}" ]]; then
+            cd_hook_cat_todo
+            cd_hook_show_git_status
+            cd_hook_last_wd="${PWD}"
+        fi
     fi
 }
 # Invoke cd_hook when we're loaded