#!/bin/sh
# Make sure that the copying code used in an inter-partition
# move unlinks a destination symlink before opening it.

# Copyright (C) 1999, 2000 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 2 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, write to the Free Software
# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
# 02110-1301, USA.

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

. $srcdir/../other-fs-tmpdir
. $srcdir/../envvar-check

if test -z "$other_partition_tmpdir"; then
  exit 77
fi

rem_file="$other_partition_tmpdir/file"
rem_symlink="$other_partition_tmpdir/symlink"
file=to-sym-$$

fail=0

trap 'rm -fr $file $other_partition_tmpdir; exit $fail' 0 1 2 3 15

framework_failure=0
rm -f $file || framework_failure=1
echo local > $file || framework_failure=1
echo remote > $rem_file || framework_failure=1
ln -s $rem_file $rem_symlink || framework_failure=1

if test $framework_failure = 1; then
  echo 'failure in testing framework'
  exit 1
fi

# This mv command should succeed, unlinking the symlink
# before copying.
mv $file $rem_symlink || fail=1

# Make sure $file is gone.
test -f $file && fail=1

# Make sure $rem_file is unmodified.
test `cat $rem_file` = remote || fail=1

exit $fail