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# -*- sh -*-
# Check environment variables for sane values while testing.
# Copyright (C) 2000, 2001, 2003, 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 (FOO=FOO; unset FOO) >/dev/null 2>&1; then
as_unset=unset
else
as_unset=false
fi
envvar_check_failed=0
vars='
BLOCKSIZE
BLOCK_SIZE
CDPATH
DF_BLOCK_SIZE
DU_BLOCK_SIZE
LS_BLOCK_SIZE
LS_COLORS
POSIXLY_CORRECT
SIMPLE_BACKUP_SUFFIX
TIME_STYLE
VERSION_CONTROL
'
for var in $vars
do
$as_unset $var
if eval test \"\${$var+set}\" = set; then
echo "$0: the $var environment variable is set --" \
' unset it and rerun this test' >&2
envvar_check_failed=1
fi
done
test "$envvar_check_fail" = 1 && exit 1
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