From 62f0270888ec668ec50df2af826727ca8ba9d6c6 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Olivier=20Mengu=C3=A9?= <dolmen@cpan.org>
Date: Mon, 30 Jun 2014 19:42:51 +0200
Subject: [PATCH] bash: save and set shell option promptvars

---
 liquidprompt | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/liquidprompt b/liquidprompt
index 0ae0d27..279f380 100755
--- a/liquidprompt
+++ b/liquidprompt
@@ -1721,11 +1721,13 @@ prompt_on()
         LP_OLD_PS1="$PS1"
         if $_LP_SHELL_bash; then
             LP_OLD_PROMPT_COMMAND="$PROMPT_COMMAND"
+            LP_OLD_SHOPT="$(shopt -p promptvars)"
         else # zsh
             LP_OLD_PROMPT_COMMAND="$(whence -f precmd)"
         fi
     fi
     if $_LP_SHELL_bash; then
+        shopt -s promptvars
         PROMPT_COMMAND=_lp_set_prompt
         [[ "$LP_DEBUG_TIME" == 1 ]] && PROMPT_COMMAND="time $PROMPT_COMMAND"
     else # zsh
@@ -1752,6 +1754,7 @@ prompt_off()
 {
     PS1=$LP_OLD_PS1
     if $_LP_SHELL_bash; then
+        eval "$LP_OLD_SHOPT"
         PROMPT_COMMAND="$LP_OLD_PROMPT_COMMAND"
     else # zsh
         precmd() { : ; }
@@ -1764,6 +1767,7 @@ prompt_OFF()
 {
     PS1="\$ "
     if $_LP_SHELL_bash; then
+        shopt -u promptvars
         PROMPT_COMMAND="$LP_OLD_PROMPT_COMMAND"
     else # zsh
         precmd() { : ; }