#!/bin/sh
# Make sure "chown USER:GROUP FILE" works, and similar tests with separators.

# Copyright (C) 2004, 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 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
  chown --version
fi

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

framework_failure=0

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

id_u=`id -u` || framework_failure=1
test -n "$id_u" || framework_failure=1

id_un=`id -un` || framework_failure=1
test -n "$id_un" || framework_failure=1

id_g=`id -g` || framework_failure=1
test -n "$id_g" || framework_failure=1

id_gn=`id -gn` || framework_failure=1
test -n "$id_gn" || framework_failure=1

if test $framework_failure = 1; then
  echo "$0: failure in testing framework" 1>&2
  (exit 77); exit 77
fi

fail=0

chown '' . || fail=1

for u in $id_u "$id_un" ''; do
  for g in $id_g "$id_gn" ''; do
    case $u$g in
      *.*) seps=':' ;;
      *)   seps=': .' ;;
    esac
    for sep in $seps; do
      case $u$sep$g in
	[0-9]*$sep) chown "$u$sep$g" . 2> /dev/null && fail=1 ;;
	*) chown "$u$sep$g" . || fail=1 ;;
      esac
    done
  done
done

(exit $fail); exit $fail