#!/bin/sh
# make sure `mv -i a b' does its job with a positive response

# Copyright (C) 2001, 2005, 2006 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/../envvar-check
. $srcdir/../lang-default

pwd=`pwd`
tmp=mv-i4-$$
trap 'status=$?; cd "$pwd" && rm -rf $tmp && exit $status' 0
trap 'exit $?' 1 2 13 15

framework_failure=0
mkdir $tmp || framework_failure=1
cd $tmp || framework_failure=1


for i in a b; do
  echo $i > $i || framework_failure=1
done
echo y > y || framework_failure=1

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

fail=0
mv -i a b < y >/dev/null 2>&1 || fail=1

# Make sure out contains the prompt.
case "`cat b`" in
  a) ;;
  *) fail=1 ;;
esac

# Ensure that mv -i a b works properly with `n' and `y'
# responses, even when a and b are hard links to the same file.
# This `n' test would fail (no prompt) for coreutils-5.0.1 through 5.3.0.
echo n > n
rm -f a b
echo a > a
ln a b
mv -i a b < n >/dev/null 2>&1 || fail=1
test -r a || fail=1
test -r b || fail=1
mv -i a b < y >/dev/null 2>&1 || fail=1
test -r a && fail=1
test -r b || fail=1

exit $fail
