Re: Packaging Jami progress

[Pierre Neidhardt <mail@ambrevar.xyz>]

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Jan Wielkiewicz <tona_kosmicznego_smiecia@interia.pl> writes:

> Dnia 2019-12-04, o godz. 16:27:26
> Pierre Neidhardt <mail@ambrevar.xyz> napisał(a):
>
>> You need to export the symbol.
>> To do so, you can either specify the symbol in the #:export part of
>> the module at the top of the file, or simply use `define-public` when
>> defining the variable.
> Okay, thanks.
>
>> Can you give an example?  I don't understand what you mean.
> I would like to have something like this:
>
> (define-public jami-apply-dependency-patches
>   (lambda* (#:key inputs patches dependency-name #:allow-other-keys)
> 	   (let ((savoir-faire-linux-patches-directory "Savoir-faire Linux patches"))
> 	     (mkdir-p savoir-faire-linux-patches-directory)
> 	     (invoke "tar" "-xvf" (assoc-ref inputs "savoir-faire-linux-patches")
> 		     "-C" savoir-faire-linux-patches-directory
> 		     "--strip-components=5"
> 		     (string-append "ring-project/daemon/contrib/src/"
> 				    dependency-name))
> 	     (for-each
> 	      (lambda (file)
> 		(invoke "patch" "--force" "-p1" "-i"
> 			(string-append savoir-faire-linux-patches-directory "/"
> 				       file ".patch")))
> 	      patches))
> 	   #t))
>
> And then invoke it like this
> (add-after 'unpack 'apply-patches (jami-apply-dependency-patches
> #:dependency-name "pjproject" #:patches '(*the list*) #:inputs inputs)

You need a lambda here:

--8<---------------cut here---------------start------------->8---
(add-after 'unpack 'apply-patches
  (lambda* (#:key inputs #:allow-other-keys)
    (let ((my-input (assoc-ref inputs "my-input")))
      (jami-apply-dependency-patches #:inputs my-input))))
--8<---------------cut here---------------end--------------->8---
 
See the other packages for many more examples.
Does that make sense?

-- 
Pierre Neidhardt
https://ambrevar.xyz/

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