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#!/bin/bash
#
# Copyright (C) 2007 Karel Zak <kzak@redhat.com>
#
# This file is part of util-linux.
#
# This file 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 2 of the License, or
# (at your option) any later version.
#
# This file 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.
#
TS_TOPDIR="${0%/*}/../.."
TS_DESC="by uuid"
. "$TS_TOPDIR"/functions.sh
ts_init "$*"
ts_check_test_command "$TS_CMD_MKSWAP"
ts_check_test_command "$TS_CMD_SWAPON"
ts_check_test_command "$TS_CMD_SWAPOFF"
ts_skip_nonroot
ts_check_losetup
ts_device_init
DEVICE=$TS_LODEV
$TS_CMD_MKSWAP $DEVICE > /dev/null 2>> $TS_OUTPUT \
|| ts_die "Cannot make swap $DEVICE"
UUID=$(ts_uuid_by_devname "$DEVICE") || ts_die "Cannot find UUID on $DEVICE"
ts_udevadm_settle "$DEVICE" "UUID"
$TS_CMD_SWAPON -U $UUID >> $TS_OUTPUT 2>> $TS_ERRLOG
grep -q "^$DEVICE\b" /proc/swaps || ts_die "Cannot find $DEVICE in /proc/swaps"
$TS_CMD_SWAPOFF $DEVICE
# swapon/mkswap warns if system sets different permissions for loop devices
sed --in-place '/insecure permissions .*, 0660 suggested/d' $TS_OUTPUT
ts_log "Success"
ts_finalize
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