Re: [RFC PATCH 2/3] home_config_path: allow NULL xdg parameter

> Matthieu Moy <Matthieu.Moy@imag.fr> writes:
>
>> This allows a caller to requst the global config file without requesting
>> the XDG one.
>>
>> Signed-off-by: Matthieu Moy <Matthieu.Moy@imag.fr>
>> ---
>> This is actually not needed, but I wrote this for a previous version,
>> and it seems sensible anyway.
>
> I was about to say "Let's not do this until some caller needs it",
> implicitly assuming that we do not let global=NULL to signal that
> the caller is interested only in XDG, but I checked and we do check
> the NULL-ness of global, so it is consistent to do so for xdg.  The
> change makes very good sense.
>
> I wouldn't have had to spend the time to dig, if the log message
> justified it that way, instead of having "actually not needed"
> comment there ;-)
>
> 	home_config_paths(): let the caller ignore xdg path
>
> 	The caller can signal that it is not interested in learning
> 	the location of $HOME/.gitconfig by passing global=NULL, but
> 	there is no way to decline the ptah to the configuration
> 	file based on $XDG_CONFIG_HOME.
>
>         Allow the caller to pass xdg=NULL to signal that it is not
>         interested in the XDG location.