1#!/bin/sh
2# Test cp --reflink=auto
3
4# Copyright (C) 2009-2023 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. "${srcdir=.}/tests/init.sh"; path_prepend_ ./src
20print_ver_ cp
21
22cleanup_() { rm -rf "$other_partition_tmpdir"; }
23. "$abs_srcdir/tests/other-fs-tmpdir"
24a_other="$other_partition_tmpdir/a"
25rm -f "$a_other" || framework_failure_
26
27echo non_zero_size > "$a_other" || framework_failure_
28
29# we shouldn't be able to reflink() files on separate partitions
30returns_ 1 cp --reflink "$a_other" b || fail=1
31
32# --reflink=auto should fall back to a normal copy
33cp --reflink=auto "$a_other" b || fail=1
34test -s b || fail=1
35
36# --reflink=auto should allow --sparse for fallback copies.
37# This command can be used to create minimal sized copies.
38cp --reflink=auto --sparse=always "$a_other" b || fail=1
39test -s b || fail=1
40
41# --reflink=auto should be overridden by --reflink=never
42cp --reflink=auto --reflink=never "$a_other" b || fail=1
43test -s b || fail=1
44
45Exit $fail
46