From d323a16ced5e3a77136a1ebca4a2f7d5678121c4 Mon Sep 17 00:00:00 2001
From: Eric Wong <e@80x24.org>
Date: Sat, 9 Jul 2022 08:08:57 +0000
Subject: [PATCH] test_common: avoid uninitialized warning on readlink

Of course, waiting for inotify to become active can't rely on
inotify, so we need to do a busy loop here, instead...
---
 lib/PublicInbox/TestCommon.pm | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/PublicInbox/TestCommon.pm b/lib/PublicInbox/TestCommon.pm
index 943dd2fa..ecf7a261 100644
--- a/lib/PublicInbox/TestCommon.pm
+++ b/lib/PublicInbox/TestCommon.pm
@@ -378,7 +378,7 @@ sub wait_for_tail {
 		my @ino;
 		do {
 			@ino = grep {
-				readlink($_) =~ /\binotify\b/
+				(readlink($_) // '') =~ /\binotify\b/
 			} glob("/proc/$tail_pid/fd/*");
 		} while (!@ino && time <= $end and tick);
 		return if !@ino;
-- 
2.44.0