From: Eric Wong <e@80x24.org>
Date: Sat, 9 Jul 2022 08:08:57 +0000 (+0000)
Subject: test_common: avoid uninitialized warning on readlink
X-Git-Tag: v1.9.0~104
X-Git-Url: http://www.git.stargrave.org/?p=public-inbox.git;a=commitdiff_plain;h=d323a16ced5e3a77136a1ebca4a2f7d5678121c4

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...
---

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;