Le Thu, 11 Jul 2019 22:40:58 +0200, Ludovic Courtès <l...@gnu.org> a écrit :
> Julien Lepiller <jul...@lepiller.eu> skribis: > > > When you type an option that requires an argument, but don't > > provide one, you get an error message that says there is a missing > > argument. There should brobably be a hint on what values are > > acceptable. For instance, there is no way to know from "guix > > package -v" or "guix package --help" what values are accepted. In > > other cases, there is a --list-something option. > > > > Maybe -v is the only case where it would be useful to do something, > > because you could guess its existence and not use a verbosity > > level. Maybe fixing the help message to say --verbosity=[0-5] is > > enough? > > 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...
