| # Ensure --version and --help options are processed before | |
| # any other options by some programs. | |
| # Copyright (C) 2019-2025 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/>. | |
| . "${srcdir=.}/tests/init.sh"; path_prepend_ ./src | |
| print_ver_ yes | |
| programs="cksum dd hostid hostname link logname nohup | |
| sleep tsort unlink uptime users whoami yes" | |
| # All these variations should show the help/version screen | |
| # regardless of their position on the command line arguments. | |
| for prog in $programs; do | |
| # skip if the program is not built (e.g., hostname) | |
| case " $built_programs " in | |
| *" $prog "*) ;; | |
| *) continue;; | |
| esac | |
| for opt in --help --version; do | |
| rm -f exp out1 out2 out3 || framework_failure_ | |
| # Get the reference output | |
| env $prog $opt >exp || fail=1 | |
| # Test: some other argument AFTER --help/--version. | |
| env $prog $opt AFTER > out1 || fail=1 | |
| compare exp out1 || fail=1 | |
| # nohup is an exception: stops processing after first non-option parameter. | |
| # E.g., "nohup df --help" should run "df --help", not "df --help". | |
| if [ "$prog" = nohup ]; then | |
| rm -f exp || framework_failure_ | |
| df $opt > exp || framework_failure_ | |
| BEFORE=df | |
| else | |
| BEFORE=BEFORE | |
| fi | |
| # Test: some other argument BEFORE --help/--version. | |
| env $prog $BEFORE $opt > out2 || fail=1 | |
| compare exp out2 || fail=1 | |
| # Test: some other arguments BEFORE and AFTER --help/--version. | |
| env $prog $BEFORE $opt AFTER > out3 || fail=1 | |
| compare exp out3 || fail=1 | |
| done | |
| done | |
| # After end-of-options marker (--), the options should not be parsed. | |
| # Test with 'yes', and assume the common code will work the | |
| # same for the other programs. | |
| cat >exp <<\EOF || framework_failure_ | |
| --help | |
| EOF | |
| env yes -- --help | head -n1 > out | |
| compare exp out || fail=1 | |
| Exit $fail | |