bug#36594: No hint for missing argument

[Ludovic Courtès]

Julien Lepiller <address@hidden> skribis:

> Le Thu, 11 Jul 2019 22:40:58 +0200,
> Ludovic Courtès <address@hidden> a écrit :

[...]

>> Currently it says:
>> 
>> --8<---------------cut here---------------start------------->8---
>> $ guix build --help | grep -e -verbo
>>   -v, --verbosity=LEVEL  use the given verbosity LEVEL
>> --8<---------------cut here---------------end--------------->8---
>> 
>> We could add “an integer between 0 and 2”, but this was left
>> non-explicit in case we eventually extend it to -7 to +42.
>> 
>> Maybe there’s a limit on what we can do to help users?  :-)
>> 
>> Ludo’.
>
> If users have no idea what value to use though, they just won't use the
> feature...

What about:

  use the given verbosity LEVEL, an integer

?

If that’s fine with you, please push!

Thanks,
Ludo’.