coreutils/tests/cp/slink-2-slink

#!/bin/sh
# `test cp --update A B' where A and B are both symlinks that point
# to the same file

# Copyright (C) 2000, 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 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
  cp --version
fi

. $srcdir/../envvar-check

# Make sure we get English translations.
. $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 $?' 1 2 13 15

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

touch file || framework_failure=1
ln -s file a || framework_failure=1
ln -s file b || framework_failure=1
ln -s no-such-file c || framework_failure=1
ln -s no-such-file d || framework_failure=1

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

fail=0
cp --update --no-dereference a b || fail=1
cp --update --no-dereference c d || fail=1

(exit $fail); exit $fail