#!/bin/sh
# ensure that `cp -d' preserves hard-links between command line arguments
# ensure that --preserve=links works with -RH and -RL

# Copyright (C) 2001, 2002, 2004, 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 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
  cp --version
fi

. $srcdir/../envvar-check
. $srcdir/../lang-default

pwd=`pwd`
t0=`echo "$0"|sed 's,.*/,,'`.tmp;tmp=$t0/$$
trap 'status=$?; cd "$pwd" && rm -rf $t0 && exit $status' 0
trap '(exit $?); exit' 1 2 13 15

framework_failure=0
mkdir -p $tmp || framework_failure=1
cd $tmp || framework_failure=1
touch a || framework_failure=1
ln a b || framework_failure=1
mkdir c || framework_failure=1
cp -d a b c || framework_failure=1
test -f c/a || framework_failure=1
test -f c/b || framework_failure=1

if test $framework_failure = 1; then
  echo 'failure in testing framework' 1>&2
  (exit 1); exit 1
fi

fail=0

a_inode=`ls -i c/a|sed 's,c/.*,,'`
b_inode=`ls -i c/b|sed 's,c/.*,,'`
test "$a_inode" = "$b_inode" || fail=1
# --------------------------------------

rm -rf a b c
touch a
ln -s a b
mkdir c
cp --preserve=links -R -H a b c
a_inode=`ls -i c/a|sed 's,c/.*,,'`
b_inode=`ls -i c/b|sed 's,c/.*,,'`
test "$a_inode" = "$b_inode" || fail=1
# --------------------------------------

rm -rf a b c d
mkdir d
(cd d; touch a; ln -s a b)
cp --preserve=links -R -L d c
a_inode=`ls -i c/a|sed 's,c/.*,,'`
b_inode=`ls -i c/b|sed 's,c/.*,,'`
test "$a_inode" = "$b_inode" || fail=1
# --------------------------------------

# Ensure that --no-preserve=links works.
rm -rf a b c d
mkdir d
(cd d; touch a; ln a b)
cp -dR --no-preserve=links d c
a_inode=`ls -i c/a|sed 's,c/.*,,'`
b_inode=`ls -i c/b|sed 's,c/.*,,'`
test "$a_inode" = "$b_inode" && fail=1
# --------------------------------------

# Ensure that -d still preserves hard links.
rm -rf a b c d
touch a; ln a b
mkdir c
cp -d a b c
a_inode=`ls -i c/a|sed 's,c/.*,,'`
b_inode=`ls -i c/b|sed 's,c/.*,,'`
test "$a_inode" = "$b_inode" || fail=1
# --------------------------------------

# Ensure that --no-preserve=mode works
rm -rf a b c d
touch a; chmod 731 a
umask 077
cp -a --no-preserve=mode a b
mode=`ls -l b|cut -b-10`
test "$mode" = "-rwx------" || fail=1
umask 022
# --------------------------------------

(exit $fail); exit $fail