From 35957b7690f3c6a86f99413d8cdfcd4547325a68 Mon Sep 17 00:00:00 2001
From: nobu <nobu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Thu, 22 Oct 2015 13:53:01 +0000
Subject: [PATCH] ifchange: ignore error

* tool/ifchange: do not exit by -e even if tput failed.
  [ruby-core:71143] [Bug #11611]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@52219 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 tool/ifchange | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/tool/ifchange b/tool/ifchange
index 837dd4dd16..7d7b377be7 100755
--- a/tool/ifchange
+++ b/tool/ifchange
@@ -39,7 +39,7 @@ fi
 
 msg_begin= msg_unchanged= msg_updated= msg_reset=
 if [ -t 1 ]; then
-    msg_begin="`tput smso 2>/dev/null`"
+    msg_begin="`tput smso 2>/dev/null`" || :
     case "$msg_begin" in
 	""*m)
 	    msg_begin="`echo "$msg_begin" | sed 's/[0-9]*m$//'`"