From f67c74147b98bc9119a034eada8a727a9cbc816f Mon Sep 17 00:00:00 2001
From: Tom Ryder <tom@sanctum.geek.nz>
Date: Sat, 14 Sep 2013 18:43:53 +1200
Subject: Unset PROMPT_COMMAND rather than blanking it

---
 bash/bashrc.d/prompt.bash | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/bash/bashrc.d/prompt.bash b/bash/bashrc.d/prompt.bash
index cb883776..da8262ad 100644
--- a/bash/bashrc.d/prompt.bash
+++ b/bash/bashrc.d/prompt.bash
@@ -34,7 +34,7 @@ prompt() {
 
         # Revert to simple inexpensive prompt
         off)
-            PROMPT_COMMAND=
+            unset -v PROMPT_COMMAND
             PS1='\$ '
             ;;
 
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