From e3e7f107c14b4c38f1374d45f811614b2fd777dd Mon Sep 17 00:00:00 2001
From: espie <espie@openbsd.org>
Date: Tue, 4 Jul 2023 14:41:26 +0000
Subject: [PATCH] use local assignment to $ENV{TZ} like we do for signal
 handlers

---
 usr.sbin/pkg_add/OpenBSD/PackingElement.pm | 10 ++--------
 1 file changed, 2 insertions(+), 8 deletions(-)

diff --git a/usr.sbin/pkg_add/OpenBSD/PackingElement.pm b/usr.sbin/pkg_add/OpenBSD/PackingElement.pm
index d9d4d29ae35..8e0481f65f7 100644
--- a/usr.sbin/pkg_add/OpenBSD/PackingElement.pm
+++ b/usr.sbin/pkg_add/OpenBSD/PackingElement.pm
@@ -1,5 +1,5 @@
 # ex:ts=8 sw=4:
-# $OpenBSD: PackingElement.pm,v 1.288 2023/07/04 13:58:01 espie Exp $
+# $OpenBSD: PackingElement.pm,v 1.289 2023/07/04 14:41:26 espie Exp $
 #
 # Copyright (c) 2003-2014 Marc Espie <espie@openbsd.org>
 #
@@ -1952,14 +1952,8 @@ sub _iso8601_to_time($s)
 		my ($year, $month, $day, $hour, $min, $sec) =
 		    ($1 - 1900, $2-1, $3, $4, $5, $6);
 		require POSIX;
-		my $oldtz = $ENV{TZ};
-		$ENV{TZ} = 'UTC';
+		local $ENV{TZ} = 'UTC';
 		my $t = POSIX::mktime($sec, $min, $hour, $day, $month, $year);
-		if (defined $oldtz) {
-			$ENV{TZ} = $oldtz;
-		} else {
-			delete $ENV{TZ};
-		}
 		return $t;
 	} else {
 		die "Incorrect ISO8601 timestamp: $s";
-- 
2.20.1