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Avoid showing an optional "no-" for options that already start with a
"no-" in the short help, as that double negation is confusing. Document
the opposite variant on its own line with a generated help text instead,
unless it's defined and documented explicitly already.
Signed-off-by: René Scharfe <l.s.r@web.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Add a "[no-]" prefix to options without the flag PARSE_OPT_NONEG to
document the fact that you can negate them.
This looks a bit strange for options that already start with "no-", e.g.
for the option --no-name of git show-branch:
--[no-]no-name suppress naming strings
You can actually use --no-no-name as an alias of --name, so the short
help is not wrong. If we strip off any of the "no-"s, we lose either
the ability to see if the remaining one belongs to the documented
variant or to see if it can be negated.
Signed-off-by: René Scharfe <l.s.r@web.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Add tests for checking the "git rev-parse --parseopt" flag "!" and
whether options can be negated with a "no-" prefix.
Signed-off-by: René Scharfe <l.s.r@web.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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"git rev-parse --parseopt" shows the short help with its description of
all recognized options twice: When called with -h or --help, and after
reporting an unknown option. Move the one for optionspec into a file
and use it in two tests to deduplicate that part.
"git rev-parse --parseopt -- --h" wraps the help text in "cat <<\EOF"
and "EOF". Keep that part in the file to use it as is in the test that
needs it and simply remove it in the other one using sed.
Disable whitespace checking for the file using an attribute, as we need
to keep its spaces intact and wouldn't want a stray --whitespace=fix
turn them into tabs.
Signed-off-by: René Scharfe <l.s.r@web.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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