1#!/bin/sh 2# Make sure cp --attributes-only doesn't truncate existing data 3 4# Copyright 2012-2023 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 22printf '1' > file1 || framework_failure_ 23printf '2' > file2 || framework_failure_ 24printf '2' > file2.exp || framework_failure_ 25 26cp --attributes-only file1 file2 || fail=1 27cmp file2 file2.exp || fail=1 28 29# coreutils v8.32 and before would remove destination files 30# if hardlinked or the source was not a regular file. 31ln file2 link2 || framework_failure_ 32cp -a --attributes-only file1 file2 || fail=1 33cmp file2 file2.exp || fail=1 34 35ln -s file1 sym1 || framework_failure_ 36returns_ 1 cp -a --attributes-only sym1 file2 || fail=1 37cmp file2 file2.exp || fail=1 38 39# One can still force removal though 40cp -a --remove-destination --attributes-only sym1 file2 || fail=1 41test -L file2 || fail=1 42cmp file1 file2 || fail=1 43 44Exit $fail 45