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1234567891011121314151617181920212223242526272829303132333435363738394041424344454647484950515253545556575859606162636465666768697071727374 | #!/bin/sh# 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/>. . "${srcdir=.}/tests/init.sh"; path_prepend_ ./src print_ver_ yes programs="cksum dd hostid hostname link logname nohupsleep tsort unlink uptime users whoami yes"# All these variations should show the help/version screen# regardless of their position on the command line arguments.for prog in$programs;do# skip if the program is not built (e.g., hostname)case"$built_programs"in*"$prog"*) ;;*)continue;;esacfor opt in--help --version;dorm-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 ];thenrm-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=1donedone# 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
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