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#!/bin/sh
# Ensure that a command like
# date --date="21:04 +0100" +%S' always prints '00'.
# Before coreutils-5.2.1, it would print the seconds from the current time.
# Copyright (C) 2004-2012 Free Software Foundation, Inc.
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
. "${srcdir=.}/init.sh"; path_prepend_ ../src
print_ver_ date
# It would be easier simply to sleep for two seconds between two runs
# of $(date --date="21:04 +0100" +%S) and ensure that both outputs
# are '00', but I prefer not to sleep unconditionally. 'make check'
# takes long enough as it is.
n=0
# See if the current number of seconds is '00' or just before.
s=$(date +%S)
case "$s" in
58) n=3;;
59) n=2;;
00) n=1;;
esac
# If necessary, wait for the system clock to pass the minute mark.
test $n = 0 || sleep $n
s=$(date --date="21:04 +0100" +%S)
case "$s" in
00) ;;
*) fail=1;;
esac
Exit $fail
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