From 8992dfa54c1c5b6cde032be36c7626b301346226 Mon Sep 17 00:00:00 2001
From: =?utf8?q?P=C3=A1draig=20Brady?= <P@draigBrady.com>
Date: Fri, 22 Dec 2017 13:10:24 +0000
Subject: [PATCH] tests: avoid false failure on AIX 7.2

* tests/tail-2/pipe-f.sh: Close stdout in a subshell
to ensure the current shell isn't impacted.  Subsequent
piped commands like `echo foo | blah` were seen to fail
due to the previous closing of stdout.
Reported by Assaf Gordon.
---
 tests/tail-2/pipe-f.sh | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/tests/tail-2/pipe-f.sh b/tests/tail-2/pipe-f.sh
index 759881c3fe..3dd85ec2e6 100755
--- a/tests/tail-2/pipe-f.sh
+++ b/tests/tail-2/pipe-f.sh
@@ -40,7 +40,7 @@ compare exp out || fail=1
 timeout 10 tail -f $mode $fastpoll out | sleep .1 || fail=1
 
 # This would wait indefinitely before v8.28 (until first write)
-returns_ 1 timeout 10 tail -f $mode $fastpoll /dev/null >&- || fail=1
+(returns_ 1 timeout 10 tail -f $mode $fastpoll /dev/null >&-) || fail=1
 done
 
 Exit $fail
-- 
2.47.2