From 1d385f875f70cd45015ed18750898a1628460bcf Mon Sep 17 00:00:00 2001
From: Peter Fern <github@obfusc8.org>
Date: Tue, 15 Oct 2013 21:21:12 +1100
Subject: [PATCH] Avoid infinite recursion in `POWERLINE_OLD_PROMPT_COMMAND`

Fixes #678
---
 powerline/bindings/bash/powerline.sh | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/powerline/bindings/bash/powerline.sh b/powerline/bindings/bash/powerline.sh
index cc0a22cc..c853211f 100644
--- a/powerline/bindings/bash/powerline.sh
+++ b/powerline/bindings/bash/powerline.sh
@@ -38,6 +38,6 @@ _powerline_prompt() {
 trap "_powerline_tmux_set_columns" SIGWINCH
 _powerline_tmux_set_columns
 
-[[ "$PROMPT_COMMAND" == "_powerline_prompt" ]] ||
+[[ "$PROMPT_COMMAND" != "${PROMPT_COMMAND/_powerline_prompt/}" ]] ||
 	POWERLINE_OLD_PROMPT_COMMAND="$PROMPT_COMMAND"
 export PROMPT_COMMAND="_powerline_prompt"