2 # Check environment variables for sane values while testing.
4 # Copyright (C) 2000, 2001, 2003, 2004, 2006 Free Software Foundation,
7 # This program is free software; you can redistribute it and/or modify
8 # it under the terms of the GNU General Public License as published by
9 # the Free Software Foundation; either version 2 of the License, or
10 # (at your option) any later version.
12 # This program is distributed in the hope that it will be useful,
13 # but WITHOUT ANY WARRANTY; without even the implied warranty of
14 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 # GNU General Public License for more details.
17 # You should have received a copy of the GNU General Public License
18 # along with this program; if not, write to the Free Software
19 # Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
22 if (FOO=FOO; unset FOO) >/dev/null 2>&1; then
51 if eval test \"\${$var+set}\" = set; then
52 echo "$0: the $var environment variable is set --" \
53 ' unset it and rerun this test' >&2
58 test "$envvar_check_fail" = 1 && exit 1