Vincent Legoll <vincent.leg...@gmail.com> skribis:
> On Thu, Jul 21, 2016 at 2:24 PM, Ludovic Courtès <l...@gnu.org> wrote:
>> David Craven <da...@craven.ch> skribis:
>>
>>>> I think packages with a “bin” output are not always used as native
>>>> inputs, so I would drop this rule.
>>>
>>> From searching the code-base we have I couldn't find a counter example. Do
>>> you think it's ok to check for glib:bin specifically?
>>
>> Yes, sounds good to me.
>>
>> However, make sure to match on the package name + output, not on the
>> label. That is, ‘lint’ should correctly diagnose something like:
>>
>> (inputs `(("somethingsilly" ,glib "bin")))
>
> Yes, this is very important, as you have newbies coming now that try to
> package software for guix and they don't understand what they are doing.
>
> :-)
>
> I was wondering the other day, what this "somethingsilly" string is for,
> is it just a string or does it need to be a reference to something not
> silly...
This "somethingsilly" is just a label that allows you to refer to an
input on the build side, in idioms like:
(assoc-ref inputs "somethingsilly")
=> "/gnu/store/…-glib-42.0-bin"
This predates g-expressions, which solve this problem more elegantly.
Ludo’.
