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#!/usr/bin/env bash
# This file is part of Hercules.
# http://herc.ws - http://github.com/HerculesWS/Hercules
#
# Copyright (C) 2016-2020 Hercules Dev Team
# Copyright (C) 2016 Haru <haru@herc.ws>
#
# Hercules 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/>.
n=0
while true; do
$@ && break
if [[ $n -ge 5 ]]; then
exit -1
fi
WAITTIME=$((2**n))
echo "Execution of $@ failed. Retrying in $WAITTIME seconds..."
sleep $WAITTIME
n=$((n+1))
done
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