From fc9f098c174a3e80dfe80567ee93c2bcb9e90266 Mon Sep 17 00:00:00 2001
From: Eric Wong <e@80x24.org>
Date: Sat, 30 Sep 2023 16:17:21 +0000
Subject: [PATCH] t/lei-convert: fix uninitialized variable w/o pigz

`backtick` captures return `undef' when a command is missing

Fixes: 5df0446abcca (lei: don't gzip --rsyncable by default for mbox*)
---
 t/lei-convert.t | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/t/lei-convert.t b/t/lei-convert.t
index d75110cbe..84b57f81d 100644
--- a/t/lei-convert.t
+++ b/t/lei-convert.t
@@ -132,7 +132,7 @@ test_lei({ tmpdir => $tmpdir }, sub {
 	SKIP: {
 		my $ok;
 		for my $x (($ENV{GZIP}//''), qw(pigz gzip)) {
-			$x && `$x -h 2>&1` =~ /--rsyncable\b/s or next;
+			$x && (`$x -h 2>&1`//'') =~ /--rsyncable\b/s or next;
 			$ok = $x;
 			last;
 		}
-- 
2.47.2