[asdf-devel] Problems with asdf:load-system :force

[Faré]

> On Fri, Jul 26, 2013 at 1:27 PM, Stelian Ionescu <sionescu at cddr.org> wrote:
>> While working on the test suite of swap-bytes on SBCL(you'll need
>>>=1.1.6 I think), I noticed two unexpected results in using :force :
>>
>> 1) (asdf:load-system :swap-bytes/test :force t) does not recurse
>> into :defsystem-depends-on deps. Is this intentional ?
>>
On Fri, Jul 26, 2013 at 2:04 PM, Faré <fahree at gmail.com> wrote:
> Yes, this is probably a bug. In register-system-definition, we should
> get the force argument, and propagate to a variant of load-systems
> that itself should take keyword arguments, and is called by
> load-systems.
>
So I started working on that by defining a function load-systems* that
accepts a list of systems and keywords (unlike load-systems).
[Patch attached]

Issue: even once such a function is defined, I realized that ASDF3
does NOT have a special variable *force* or *plan* or anything
from which to extract which :force value to use.
I'm not convinced that such a special variable would be a win.
In any case, adding one is an architectural decision for the maintainer,
not a superficial change that a non-maintainer like me can take.
[And if I were still maintainer, I would have a strong prejudice against it,
and wouldn't see this current feature request as a sufficient motivation
to add such a variable.]

Therefore, this patch does the easy part of the job of defining a new
function, but
doesn't actually propagate require flags through defsystem-depends-on'dencies.

—♯ƒ • François-René ÐVB Rideau •Reflection&Cybernethics• http://fare.tunes.org
Young man, in mathematics you don't understand things,
you just get used to them. — John von Neumann (1903-1957)
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