From: Zac Medico <zmedico@gentoo.org>
Date: Sat, 9 Jun 2007 03:51:51 +0000 (-0000)
Subject: Only execute $PROMPT_COMMAND when appropriate. (trunk r6772)
X-Git-Tag: v2.1.2.10~2
X-Git-Url: http://git.tremily.us/gitweb.cgi?a=commitdiff_plain;h=1c8002bcfb7d60398b491b1e49327de334402761;p=portage.git

Only execute $PROMPT_COMMAND when appropriate. (trunk r6772)

svn path=/main/branches/2.1.2/; revision=6773
---

diff --git a/pym/output.py b/pym/output.py
index 2327c91aa..bd9c474e6 100644
--- a/pym/output.py
+++ b/pym/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','')