1#!/bin/sh
2# Ensure symlinks can be replaced across devices
3
4# Copyright (C) 2018-2023 Free Software Foundation, Inc.
5
6# This program is free software: you can redistribute it and/or modify
7# it under the terms of the GNU General Public License as published by
8# the Free Software Foundation, either version 3 of the License, or
9# (at your option) any later version.
10
11# This program is distributed in the hope that it will be useful,
12# but WITHOUT ANY WARRANTY; without even the implied warranty of
13# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
14# GNU General Public License for more details.
15
16# You should have received a copy of the GNU General Public License
17# along with this program.  If not, see <https://www.gnu.org/licenses/>.
18
19. "${srcdir=.}/tests/init.sh"; path_prepend_ ./src
20print_ver_ cp
21require_root_
22
23cwd=$(pwd)
24cleanup_() { cd /; umount "$cwd/mnt"; }
25
26truncate -s100M fs.img || framework_failure_
27mkfs -t ext4 fs.img    || skip_ 'failed to create ext4 file system'
28mkdir mnt              || framework_failure_
29mount fs.img mnt       || skip_ 'failed to mount ext4 file system'
30
31mkdir mnt/path1 || framework_failure_
32touch mnt/path1/file || framework_failure_
33mkdir path2 || framework_failure_
34cd path2 && ln -s ../mnt/path1/file || framework_failure_
35
36cp -dsf ../mnt/path1/file . || fail=1
37
38Exit $fail
39