GNU bug report logs - #25101
simple-scan can't use hpaio

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From: ludo <at> gnu.org (Ludovic Courtès)
To: Andy Patterson <ajpatter <at> uwaterloo.ca>
Cc: 25101 <at> debbugs.gnu.org
Subject: bug#25101: [PATCH 1/2] gnu: Add hpaio-enabled sane-backends variant.
Date: Tue, 06 Dec 2016 10:10:57 +0100

Andy Patterson <ajpatter <at> uwaterloo.ca> skribis:

> On Mon, 05 Dec 2016 21:48:36 +0100
> ludo <at> gnu.org (Ludovic Courtès) wrote:
>
>> > +(define-public sane-backends+hpaio  
>> 
>> Could you add a comment and a synopsis explaining what’s this is?
>> 
>
> Sure, is the following patch ok?

Yup!

>> > +  (package
>> > +    (inherit sane-backends)
>> > +    (name "sane-backends+hpaio")
>> > +    (inputs
>> > +     `(("hplip" ,(@ (gnu packages cups) hplip))
>> > +       ,@(package-inputs sane-backends)))  
>> 
>> The closure size of this is 290 MiB whereas it’s 87 MiB for
>> ‘sane-backends’.  I suppose that’s the reason to keep’em separated?
>>
>
> Yeah, and there's also the fact that hplip depends on sane-backends.
> But this is the reason I didn't change sane-backends into a private
> variable, and then make this the new sane-backends.

Oh right.

One last thing: should we renaming “sane-backends” to
“sane-backends-minimal”, and “sane-backends+hpaio” to “sane-backends”?

That way all scanners would work out of the box, at the expense of extra
disk usage, but that is roughly what patch 2/2 does anyway.

Thanks!

Ludo’.

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