1#!/bin/sh 2# ensure that mv maintains a in this case: touch a; ln a b; mv a b 3 4# Copyright (C) 2003-2023 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_ mv 21touch a || framework_failure_ 22ln a b || framework_failure_ 23 24# Between coreutils-5.0 and coreutils-8.24, 'a' would be removed. 25# Before coreutils-5.0.1 the issue would not have been diagnosed. 26# We don't emulate the rename(a,b) with unlink(a) as that would 27# introduce races with overlapping mv instances removing both links. 28mv a b 2>err && fail=1 29printf "mv: 'a' and 'b' are the same file\n" > exp 30compare exp err || fail=1 31 32test -r a || fail=1 33test -r b || fail=1 34 35# Make sure it works with --backup. 36mv --backup=simple a b || fail=1 37test -r a && fail=1 38test -r b || fail=1 39test -r b~ || fail=1 40 41Exit $fail 42