this post was submitted on 02 Jul 2023
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Help with getting custom module+package to supply newer package than what's in the Guix Channel. (sopuli.xyz)
submitted 2 years ago by [email protected] to c/[email protected]
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Hello. I am new to the Guix GNU+Linux distro. And I'm trying to get the latest version of Anki (2.1.65). However, the newest version is not in the Guix channel. I'm reading here that a simple edit to the education.scm file (the version var) would fix it. Unfortunately, the education.scm file in a Guix system is readonly. Unless they update the code, my only option is to make a custom module and package to supply a newer version. Though, I don't know how to do that (I'm a noobie). I just need help on figuring that out. Any help is appreciated.

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[–] rrobin 1 points 2 years ago

If the recipe change is small you can create your own file that imports the existing package and extends it to modify the version.

This is a minimal example that inherits from the existing one

(define-module (mystuffypackages)
	       #:use-module (guix packages)
	       #:use-module (guix download)
	       #:use-module (gnu packages)
	       #:use-module (gnu packages education)
	       )


(define-public my-anki 
  (package
    (inherit anki)
    (version "2.1.65")
    (source
         (origin
           (method url-fetch)
	   ;; Changed the url to github - could not download from site archive
           (uri (string-append "https://github.com/ankitects/anki/archive/refs/tags/"
                               version ".tar.gz"))
           (sha256
            (base32 "1s28kdaw864rj6x9zgq5wwwl0gi5cyn2kg91jkq05v1bwgl3f76a"))
           ;; FIXME 2.1.16 uses a patch - check education.scm - it is not
	   ;; applying
           ))
    ;; FIXME currently failing to build due to disable-update-check
    ))

my-anki

You can call guix build directly to build the package from this file. To be clear this is currently failing for me :D

Check this blog article for a pretty nice overview of how to create your own packages and channel https://guix.gnu.org/blog/2023/from-development-environments-to-continuous-integrationthe-ultimate-guide-to-software-development-with-guix/