#!/bin/sh
# Ensure that rm works even when run from a directory
# for which the user has no access at all.

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

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

PRIV_CHECK_ARG=require-non-root . $srcdir/../priv-check
. $srcdir/../lang-default

# Skip this test if your system has neither the openat-style functions
# nor /proc/self/fd support with which to emulate them.
skip=yes
grep '^#define HAVE_OPENAT' $CONFIG_HEADER > /dev/null && skip=no
test -d /proc/self/fd && skip=no
if test $skip = yes; then
  echo 1>&2 "$0: no openat support, so skipping this test"
  (exit 77); exit 77
fi

pwd=`pwd`
t0=`echo "$0"|sed 's,.*/,,'`.tmp; tmp=$t0/$$
trap 'status=$?; cd "$pwd" && chmod -R u+rwx $t0 && 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
mkdir abs1 abs2 no-access || framework_failure=1

if test $framework_failure = 1; then
  echo "$0: failure in testing framework" 1>&2
  (exit 1); exit 1
fi

fail=0

p=$pwd/$tmp
set +x
(cd no-access; chmod 0 . && rm -r "$p/abs1" rel "$p/abs2") 2> out && fail=1
test -d "$p/abs1" && fail=1
test -d "$p/abs2" && fail=1

cat <<\EOF > exp || fail=1
rm: cannot remove `rel': Permission denied
EOF

# AIX 4.3.3 fails with a different diagnostic.
# Transform their diagnostic
#   ...: The file access permissions do not allow the specified action.
# to the expected one:
sed 's/: The file access permissions.*/: Permission denied/'<out>o1;mv o1 out

cmp out exp || fail=1
test $fail = 1 && diff out exp 2> /dev/null

(exit $fail); exit $fail