]>
git.ipfire.org Git - people/pmueller/ipfire-2.x.git/blob - src/scripts/timezone-transition
2 ############################################################################
4 # This file is part of the IPFire Firewall. #
6 # IPFire is free software; you can redistribute it and/or modify #
7 # it under the terms of the GNU General Public License as published by #
8 # the Free Software Foundation; either version 2 of the License, or #
9 # (at your option) any later version. #
11 # IPFire is distributed in the hope that it will be useful, #
12 # but WITHOUT ANY WARRANTY; without even the implied warranty of #
13 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the #
14 # GNU General Public License for more details. #
16 # You should have received a copy of the GNU General Public License #
17 # along with IPFire; if not, write to the Free Software #
18 # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA #
20 # Copyright (C) 2014 IPFire Team <info@ipfire.org> #
22 ############################################################################
24 # This script checks if a daylight saving time transition
25 # has just happened and will run the given command.
27 HOUR_NOW
=$
(date "+%H")
28 HOUR_THEN
=$
(date --date="1 hour ago" "+%H")
30 # We expect that the result in HOUR_THEN is HOUR_NOW - 1
31 HOUR_EXPECTED
=$
(( ${HOUR_NOW} - 1 ))
33 if [ "${HOUR_EXPECTED}" -eq "${HOUR_THEN}" ]; then