diff options
Diffstat (limited to 'src/grep/tests/envvar-check')
| -rw-r--r-- | src/grep/tests/envvar-check | 63 |
1 files changed, 63 insertions, 0 deletions
diff --git a/src/grep/tests/envvar-check b/src/grep/tests/envvar-check new file mode 100644 index 0000000..decc256 --- /dev/null +++ b/src/grep/tests/envvar-check @@ -0,0 +1,63 @@ +# -*- sh -*- +# Check environment variables for sane values while testing. + +# Copyright (C) 2000-2021 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 <https://www.gnu.org/licenses/>. + +if (FOO=FOO; unset FOO) >/dev/null 2>&1; then + as_unset=unset +else + as_unset=false +fi + +envvar_check_fail=0 +vars=' + _POSIX2_VERSION + _STDBUF_E + _STDBUF_I + _STDBUF_O + BASH_ENV + BLOCKSIZE + BLOCK_SIZE + CDPATH + COLUMNS + DF_BLOCK_SIZE + DU_BLOCK_SIZE + ENV + LANGUAGE + LS_BLOCK_SIZE + LS_COLORS + OMP_NUM_THREADS + POSIXLY_CORRECT + QUOTING_STYLE + SIMPLE_BACKUP_SUFFIX + TABSIZE + TERM + COLORTERM + TIME_STYLE + TMPDIR + VERSION_CONTROL +' +for var in $vars +do + $as_unset $var + if eval test \"\${$var+set}\" = set; then + echo "$0: the $var environment variable is set --" \ + ' unset it and rerun this test' >&2 + envvar_check_fail=1 + fi +done + +test "$envvar_check_fail" = 1 && exit 1 |