#! /bin/bash
# SPDX-License-Identifier: GPL-2.0
# Copyright (c) 2000-2002 Silicon Graphics, Inc.  All Rights Reserved.
#
# FS QA Test No. 045
#
# test mount of two FSes with identical UUID and mount with unknown option
#
seq=`basename $0`
seqres=$RESULT_DIR/$seq
echo "QA output created by $seq"

here=`pwd`
tmp=/tmp/$$
status=1	# failure is the default!
trap "rm -f $tmp.*; exit \$status" 0 1 2 3 15

# get standard environment, filters and checks
. ./common/rc
. ./common/filter

_get_existing_uuid()
{
    xfs_db -r $TEST_DEV -c "uuid" | $AWK_PROG '/^UUID/ { print $3 }'
}

# real QA test starts here
_supported_fs xfs
_supported_os Linux

_require_test
_require_scratch_nocheck

echo "*** get uuid"
uuid=`_get_existing_uuid`

# We can only change the UUID on a v4 filesystem. Revist this when/if UUIDs
# canbe changed on v5 filesystems.
echo "*** mkfs"
if ! _scratch_mkfs_xfs -m crc=0 >$tmp.out 2>&1
then
    cat $tmp.out
    echo "!!! failed to mkfs on $SCRATCH_DEV"
    exit
fi

echo "*** mount fs with bad mount option (expect failure)"
if _try_scratch_mount -o foobar >$tmp.out 2>&1
then
    cat $tmp.out
    echo "!!! mount succeeded (expecting failure)"
    exit
fi

echo "*** duplicate uuid"
xfs_db -x -c "uuid $uuid" `_scratch_xfs_db_options` >/dev/null

echo "*** mount fs with duplicate uuid (expect failure)"
if _try_scratch_mount >$tmp.out 2>&1
then
    cat $tmp.out
    echo "!!! mount succeeded (expecting failure)"
    exit
fi

echo "*** ok!"
# success, all done
status=0
exit