From 90fcc3a2b425ea9b47f5a666dd5fac127c4c8c85 Mon Sep 17 00:00:00 2001
From: Zac Medico <zmedico@gentoo.org>
Date: Sat, 9 Jun 2007 03:48:51 +0000
Subject: Only execute $PROMPT_COMMAND when appropriate.

svn path=/main/trunk/; revision=6772
---
 pym/portage/output.py | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/pym/portage/output.py b/pym/portage/output.py
index cd140f016..83ff3f1c2 100644
--- a/pym/portage/output.py
+++ b/pym/portage/output.py
@@ -194,7 +194,8 @@ def xtermTitleReset():
 		if prompt_command == "":
 			default_xterm_title = ""
 		elif prompt_command is not None:
-			os.system(prompt_command)
+			if dotitles and "TERM" in os.environ and sys.stderr.isatty():
+				os.system(prompt_command)
 			return
 		else:
 			pwd = os.getenv('PWD','')
-- 
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