Re: Add CLEAN-OP to ASDF?

Hi Robert,

My two cents is that adding this would be a Good Thing.

Thanks for doing the work

On Dec 30, 2008, at 10:55 AM, Robert Goldman wrote:

> Christophe Rhodes wrote:
>> Robert Goldman <rpgoldman <at> sift.info> writes:
>>
>>> E.M. Baringer's Arnesi library has an ASDF clean-op in its src/ 
>>> asdf.lisp
>>> file (thanks to fe[nl]ix on #lisp for the pointer).  Is there any  
>>> reason
>>> this operation could not be imported into the core ASDF  
>>> distribution?
>>> Cleaning out old FASLs seems like a very nice thing to have.
>>
>> The usual argument against is that clean-op is philosophically wrong:
>> the output-files of which operation should it clean?
>>
>> I'm no longer sure that that argument holds water: the operation
>> itself can know, by virtue of referring to the operation it's  
>> cleaning
>> up for.  Something like
>>
>> (defclass clean-op (operation)
>>  ((clean-for :initarg :clean-for))
>>  (:default-initargs :clean-for (make-instance 'load-op)))
>>
>> Now (asdf:oos 'asdf:clean-op ...) will do the right thing, and those
>> with special requirements can additionally do things like
>>  (asdf:oos 'asdf:clean-op ... :clean-for (make-instance 'test-op))
>> or similar.
>>
>> This probably isn't going to be a straightforward import of Marco's
>> code (though maybe it is, I don't know); on the other hand, if this
>> functionality were available in this form I would be happy.
>>
>> Best,
>>
>> Christophe
>>
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>
> I should have reread Marco's code more carefully before responding.   
> His
> clean-op already takes a :for-op initarg that does what Christophe
> suggests here.  I didn't give him sufficient credit.
>
> But the default is compile-op, not load-op.
>
> I'm going to start by splicing the clean-op into my local copy of  
> asdf,
> and will propose a patch if testing proves successful.
>
> Oh, yes, and I have written to Marco to ask if inserting his code  
> would
> be acceptable, and under what circumstances.  In particular, Arnesi  
> was
> released under the Open Source license, whereas ASDF is released under
> MIT/X license terms, and Marco asks for his copyright notice to be
> preserved.
>
> Best,
> R
>
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