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#!/bin/bash
#
# Copyright (C) 2024 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="${0%/*}/../.."
TS_DESC="X-mount.nocanonicalize"
. "$TS_TOPDIR"/functions.sh
ts_init "$*"
ts_check_test_command "$TS_CMD_MOUNT"
ts_check_test_command "$TS_CMD_UMOUNT"
ts_check_test_command "$TS_CMD_FINDMNT"
ts_skip_nonroot
[ "$("$TS_HELPER_SYSINFO" fsopen-ok)" == "1" ] || ts_skip "no fs-API"
[ -d $TS_MOUNTPOINT ] || mkdir -p $TS_MOUNTPOINT
SYMLINK_A="$TS_OUTDIR/${TS_TESTNAME}-symlink-A"
SYMLINK_B="$TS_OUTDIR/${TS_TESTNAME}-symlink-B"
FILE_A="$TS_OUTDIR/${TS_TESTNAME}-file-A"
FILE_B="$TS_OUTDIR/${TS_TESTNAME}-file-B"
rm -f $FILE_A $FILE_B $SYMLINK_A $SYMLINK_B
echo "A-data" > $FILE_A
echo "B-data" > $FILE_B
ln -s $FILE_A $SYMLINK_A
ln -s $FILE_B $SYMLINK_B
# Symlink converted to file
#
ts_init_subtest "file-over-symlink"
$TS_CMD_MOUNT -o X-mount.nocanonicalize --bind $FILE_A $SYMLINK_B >> $TS_OUTPUT 2>> $TS_ERRLOG
udevadm settle
cat $SYMLINK_B >> $TS_OUTPUT
stat -c '%F' $SYMLINK_B >> $TS_OUTPUT
$TS_CMD_UMOUNT $SYMLINK_B >> $TS_OUTPUT 2>> $TS_ERRLOG
ts_finalize_subtest
# File converted to symlink
#
ts_init_subtest "symlink-over-file"
$TS_CMD_MOUNT -o X-mount.nocanonicalize --bind $SYMLINK_A $FILE_B >> $TS_OUTPUT 2>> $TS_ERRLOG
udevadm settle
cat $FILE_B >> $TS_OUTPUT
stat -c '%F' $FILE_B >> $TS_OUTPUT
$TS_CMD_UMOUNT $FILE_B >> $TS_OUTPUT 2>> $TS_ERRLOG
ts_finalize_subtest
# Symlink converted to another symlink
#
ts_init_subtest "symlink-over-symlink"
$TS_CMD_MOUNT -o X-mount.nocanonicalize --bind $SYMLINK_A $SYMLINK_B >> $TS_OUTPUT 2>> $TS_ERRLOG
udevadm settle
cat $SYMLINK_B >> $TS_OUTPUT
stat -c '%F' $SYMLINK_B >> $TS_OUTPUT
$TS_CMD_UMOUNT $SYMLINK_B >> $TS_OUTPUT 2>> $TS_ERRLOG
ts_finalize_subtest
ts_finalize
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