#!/bin/sh
# Ensure that 'ln --backup F F' gives a proper diagnostic.

# Copyright (C) 2006-2008 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 <http://www.gnu.org/licenses/>.

if test "$VERBOSE" = yes; then
  set -x
  ln --version
fi

. $top_srcdir/tests/lang-default
. $top_srcdir/tests/test-lib.sh

touch f || framework_failure

fail=0

ln --backup f f 2> out && fail=1
cat <<\EOF > exp || fail=1
ln: `f' and `f' are the same file
EOF

compare out exp || fail=1

(exit $fail); exit $fail