Re: [PATCH 5/7] help: error if [-a|-g|-c] and [-i|-m|-w] are combined

> On Tue, Dec 28, 2021 at 10:36 AM Ævar Arnfjörð Bjarmason
> <avarab@gmail.com> wrote:
>> Add more sanity checking to "git help" usage by erroring out if these
>> man viewer options are combined with incompatible command-modes that
>> will never use these documentation viewers.
>>
>> This continues the work started in d35d03cf93e (help: simplify by
>> moving to OPT_CMDMODE(), 2021-09-22) of adding more sanity checking to
>> "git help". Doing this allows us to clarify the "SYNOPSIS" in the
>> documentation, and the "git help -h" output.
>>
>> Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com>
>> ---
>> diff --git a/builtin/help.c b/builtin/help.c
>> @@ -581,6 +581,13 @@ static void no_extra_argc(int argc)
>> +static void no_format(void)
>> +{
>> +       if (help_format != HELP_FORMAT_NONE)
>> +               usage_msg_opt(_("[-a|--all] cannot be combined with [[-i|--info] [-m|--man] [-w|--web]]"),
>> +                             builtin_help_usage, builtin_help_options);
>> +}
>
> Nit: The square brackets in the message may be unnecessarily
> confusing. (Indeed, what exactly do they mean in this context?) Also,
> the short options may not add much value: the user who typed `-w`
> knows presumably that it is shorthand for `--web`. So, one
> simplification would be:
>
>     '--all' cannot be combined with '--info', '--man', or '--web'