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#!/bin/sh
# Ensure that 'ln --backup F F' gives a proper diagnostic.
# Copyright (C) 2006-2020 Free Software Foundation, Inc.
# This program 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 3 of the License, or
# (at your option) any later version.
# This program 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.
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <https://www.gnu.org/licenses/>.
. "${srcdir=.}/tests/init.sh"; path_prepend_ ./src
print_ver_ ln
touch f || framework_failure_
ln --backup f f 2> out && fail=1
cat <<\EOF > exp || framework_failure_
ln: 'f' and 'f' are the same file
EOF
compare exp out || fail=1
Exit $fail
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