#!/bin/sh
# rm should not prompt before removing a dangling symlink.
# Likewise for a non-dangling symlink.
# But for fileutils-4.1.9, it would do the former and
# for fileutils-4.1.10 the latter.

# Copyright (C) 2002, 2004-2006, 2008-2011 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/>.

. "${srcdir=.}/init.sh"; path_prepend_ ../src
print_ver_ rm

ln -s no-file dangle
ln -s / symlink


rm ---presume-input-tty dangle symlink &
pid=$!
# The buggy rm (fileutils-4.1.9) would hang here, waiting for input.

# Wait up to 3.1s for rm to remove the files
check_files_removed() {
  local delay="$1"
  local present=0
  ls -l dangle > /dev/null 2>&1 && present=1
  ls -l symlink > /dev/null 2>&1 && present=1
  test $present = 1 && { sleep $delay; return 1; } || :
}
retry_delay_ check_files_removed .1 5 || fail=1

kill $pid > /dev/null 2>&1

Exit $fail