Subject: [bug#55920] [PATCH] build-system: chicken: Added insert-missing-version phase

From: Liliana Marie Prikler <[email-masked]>
Date: Wed, 15 Jun 2022 13:26:27 +0200

Am Sonntag, dem 12.06.2022 um 00:45 +0000 schrieb Michal Atlas:
> Many .egg files don't contain version information,
> this causes `chicken-install` to label them {unknown},
> which makes it fail compilations whenever a
> dependency is tagged with a minimum-version.
> 
> I am unaware of a way to force this check to not-happen
> and the version information should be included anyway,
> so this patch should fix the problem.
> ---
Put the blurb below this line, add a ChangeLog above.

>  guix/build/chicken-build-system.scm | 12 ++++++++++++
>  1 file changed, 12 insertions(+)
> 
> diff --git a/guix/build/chicken-build-system.scm
> b/guix/build/chicken-build-system.scm
> index 5db9906acf..341ab64a0f 100644
> --- a/guix/build/chicken-build-system.scm
> +++ b/guix/build/chicken-build-system.scm
> @@ -112,6 +112,17 @@ (define* (check #:key egg-name tests? #:allow-
> other-keys)
>    (when tests?
>      (invoke "chicken-install" "-cached" "-test" "-no-install" egg-
> name)))
>  
> +(define* (insert-missing-version #:key egg-name name #:allow-other-
> keys)
I find "stamp-egg-version" funnier.
> +  "Inserts version information into the .egg file if it isn't
> contained already"
> +  (let* ([filename (string-append egg-name "/" egg-name ".egg")]
> +         [egg-info (call-with-input-file filename read)]
> +         [ver? (find (λ (i) (eqv? (car i) 'version)) egg-info)]
> +         [ver (substring name (1+ (string-rindex name #\-)))])
We don't do square brackets in Guile.  Also, using λ rather than
spelling out "lambda" results in a syntax error.
> +    (when (not ver?)
> +      (make-file-writable filename)
> +      (call-with-output-file filename
> +       (λ (f) (write (cons `(version ,ver) egg-info) f))))))
"lambda".
>  ;; It doesn't look like Chicken generates any unnecessary
> references.
>  ;; So we don't have to remove them either. Nice.
>  
> @@ -122,6 +133,7 @@ (define %standard-phases
>      (delete 'configure)
>      (delete 'patch-generated-file-shebangs)
>      (add-before 'unpack 'setup-chicken-environment setup-chicken-
> environment)
> +    (add-before 'build 'insert-missing-version insert-missing-
> version)
Note that 'insert-missing-version will always be logged even if the
version is not actually missing.
>      (replace 'build build)
>      (delete 'check)
>      (replace 'install install)

Cheers