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build-system: chicken: Add version information to eggs if missing.

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Chicken eggs do not always contain version information, yet dependant packages
often rely on this information being present.  Thus, add a version field if it
is missing.

* guix/build/chicken-build-system.scm (stamp-egg-version): New variable.
(%standard-phases): Add ‘stamp-egg-version’.

Signed-off-by: Liliana Marie Prikler <liliana.prikler@gmail.com>
This commit is contained in:
Michal Atlas 2022-06-19 20:36:03 +00:00 committed by Liliana Marie Prikler
parent 3589537dac
commit 4dbe1c96e4
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guix/build/chicken-build-system.scm
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@ -112,6 +112,17 @@ unpacking."
(when tests?
(invoke "chicken-install" "-cached" "-test" "-no-install" egg-name)))
(define* (stamp-egg-version #:key egg-name name #:allow-other-keys)
"Check if EGG-NAME.egg contains version information and add some if not."
(let* ((filename (string-append egg-name "/" egg-name ".egg"))
(egg-info (call-with-input-file filename read))
(ver? (find (lambda (i) (eqv? (car i) 'version)) egg-info))
(ver (substring name (1+ (string-rindex name #\-)))))
(when (not ver?)
(make-file-writable filename)
(call-with-output-file filename
(lambda (f) (write (cons `(version ,ver) egg-info) f))))))
;; It doesn't look like Chicken generates any unnecessary references.
;; So we don't have to remove them either. Nice.
@ -122,6 +133,7 @@ unpacking."
(delete 'configure)
(delete 'patch-generated-file-shebangs)
(add-before 'unpack 'setup-chicken-environment setup-chicken-environment)
(add-before 'build 'stamp-egg-version stamp-egg-version)
(replace 'build build)
(delete 'check)
(replace 'install install)