From f6ea1fd76b21d71672243c1bf5e139034dbf9120 Mon Sep 17 00:00:00 2001
From: Avery Pennarun <apenwarr@gmail.com>
Date: Tue, 4 Jan 2011 14:11:29 -0800
Subject: [PATCH] log.py, minimal/do: don't use ansi colour codes if $TERM is
 blank or 'dumb'

Apparently emacs sets TERM=dumb in its tty simulator, so even though
isatty() returns true, we shouldn't use colour codes.  (emacs is therefore
lame. But we knew that.)
---
 log.py     | 2 +-
 minimal/do | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/log.py b/log.py
index c217e7e..47ea6cb 100644
--- a/log.py
+++ b/log.py
@@ -8,7 +8,7 @@ YELLOW = ""
 BOLD   = ""
 PLAIN  = ""
 
-if sys.stderr.isatty():
+if sys.stderr.isatty() and (os.environ.get('TERM') or 'dumb') != 'dumb':
     # ...use ANSI formatting codes.
     RED    = "\x1b[31m"
     GREEN  = "\x1b[32m"
diff --git a/minimal/do b/minimal/do
index e4b02ae..1d3c94a 100755
--- a/minimal/do
+++ b/minimal/do
@@ -12,7 +12,7 @@ GREEN=""
 BOLD=""
 PLAIN=""
 
-if tty <&2 >/dev/null 2>&1; then
+if [ -n "$TERM" -a "$TERM" != "dumb" ] && tty <&2 >/dev/null 2>&1; then
 	GREEN="$(printf '\033[32m')"
 	BOLD="$(printf '\033[1m')"
 	PLAIN="$(printf '\033[m')"