[asdf-devel] Alternate default lisp system location

[Marco Antoniotti]

On Mar 12, 2014, at 15:32 , Zach Beane <xach at xach.com> wrote:

> Robert Goldman <rpgoldman at sift.net> writes:
> 
>> Zach Beane wrote:
>>> The complexity of the registry configuration is one reason why I added
>>> the ~/quicklisp/local-projects/ mechanism.
>> 
>> Right, so I don't see why there's such a huge objection to having a
>> similar mechanism for ASDF.  Stellian suggests using
>> ~/quicklisp/local-projects/.  So why is it wrong for ASDF to have a
>> local-projects directory?
>> 
>> All I am suggesting is to have the local projects directory for ASDF be
>> visible, instead of invisible.
>> 
>> I stand corrected about using a name that the user might have already
>> had (thanks, Pascal!) but I don't yet see a solution that's as easy as a
>> default directory location.
> 
> I think having a similar mechanism would be good. (And the
> loading-from-a-file thing could be nice too.)
> 
> I think the main problem is that giving it a nice name means that the
> chance is high of it clashing with a nice name one or more users is
> already using.
> 
> A while ago I was thinking it would be nice to have an API like this:
> 
>  register-system-directory directory &key permanently 
> 
>    Registers DIRECTORY as a directory to search for system files. If
>    PERMANENTLY is true, make the registration persist across sessions.

> But then I got hung up about how to make PERMANENTLY work -- I don't
> think there's any way to ask ASDF what directory is suitable for saving
> a config file.
> 
> And I am 100% in favor of a nice solution that does not involve
> Quicklisp. The simpler, the better.

That is what MK:DEFSYSTEM used to (actually still does) have.

mk:add-registry-location <pathname>

I don’t think you want the ‘permanently’.  Your init file should be able to deal with that.

--
Marco Antoniotti